Asiana Airlines v. Federal Aviation Administration , 134 F.3d 393 ( 1998 )


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  •                         United States Court of Appeals
    FOR THE DISTRICT OF COLUMBIA CIRCUIT
    Argued November 21, 1997                           Decided January 30, 1998
    No. 97-1356
    Asiana Airlines, et al.,
    Petitioners
    v.
    Federal Aviation Administration and
    Barry Valentine, Acting Administrator, Federal Aviation
    Administration,
    Respondents
    Air New Zealand Limited,
    Intervenor
    ---------
    Consolidated with
    Nos. 97-1357, 97-1358, 97-1359, 97-1360,
    97-1362, 97-1363, 97-1364
    ---------
    On Petitions for Review of an Order of the
    Federal Aviation Administration
    ---------
    Robert W. Kneisley argued the cause for petitioners, with
    whom Geoffrey P. Gitner, M. Roy Goldberg, Frederick S.
    Hird, Jr., Joseph E. Schmitz, David W. Miller, Moffett B.
    Roller, Don H. Hainbach, Paul V. Mifsud, Carl W. Vogt,
    Frederick Robinson and James S. Campbell were on the
    briefs.  Jeffrey N. Shane entered an appearance.
    Peter R. Maier, Attorney, United States Department of
    Justice, argued the cause for respondents, with whom Frank
    W. Hunger, Assistant Attorney General, Mary Lou Leary,
    United States Attorney, and Robert S. Greenspan, Attorney,
    United States Department of Justice, were on the brief.
    Before:  Wald, Sentelle and Henderson, Circuit Judges.
    Opinion for the court filed by Circuit Judge Sentelle.
    Sentelle, Circuit Judge:  Petitioners challenge an FAA
    Interim Final Rule imposing annual fees totaling nearly $100
    million on flights that neither take off from nor land in the
    United States.  We reject their claims that the FAA acted
    unlawfully in employing an expedited procedure which pre-
    cluded a round of notice and comment before the effective
    date of the Rule, and that the regulation violated the antidis-
    crimination provisions of various international aviation agree-
    ments.  However, the FAA's allocation of fixed and common
    costs using a value-oriented "Ramsey pricing" methodology
    did violate the statutory directive that the fees for overflights
    be directly related to the agency's cost of providing services.
    We therefore vacate the Interim Final Rule and remand for
    further proceedings.
    I
    Section 273 of the Federal Aviation Reauthorization Act, 49
    U.S.C. s 45301 (the "Act"), enacted October 9, 1996, directs
    the Federal Aviation Administration ("FAA") to establish a
    fee schedule and collection process to cover "[a]ir traffic
    control and related services provided to aircraft other than
    military and civilian aircraft of the United States government
    or of a foreign government that neither take off from, nor
    land in, the United States."  49 U.S.C. s 45301(a)(1).  The
    statute directs the FAA to "ensure that each of the [required]
    fees ... is directly related to the Administration's costs of
    providing the service rendered," and states that covered
    services "include the costs of air traffic control, navigation,
    weather services, training and emergency services which are
    available to facilitate safe transportation over the United
    States, and other services provided by the Administrator or
    by programs financed by the Administrator to flights that
    neither take off nor land in the United States."  49 U.S.C.
    s 45301(b)(1)(B).  The statute authorizes the FAA "to recov-
    er in fiscal year 1997 $100,000,000," 49 U.S.C.
    s 45301(b)(1)(A).  Finally, the statute directs that a special
    procedure shall apply:  the FAA "shall publish in the Federal
    Register an initial fee schedule and associated collection
    process as an interim final rule, pursuant to which public
    comment will be sought and a final rule issued."  49 U.S.C.
    s 45301(b)(2).
    Acting upon this apparent message to take prompt regula-
    tory action, the FAA issued an Interim Final Rule ("IFR")
    establishing a fee schedule and collection process, with an
    effective date of May 19, 1997.  62 Fed. Reg. 13496 (March
    20, 1997).  The IFR provided that the FAA would accept
    comments until July 18, 1997, after which the FAA would
    develop a final rule.
    The IFR established fees structured as follows.  Based
    upon an "Analysis of Overflights:  Costs and Pricing" by
    private consultant GRA, Inc. (the "GRA Study"), the FAA
    noted that its services provided to overflights required both
    incremental expenditures, increasing with the quantity of
    services provided, and fixed and common expenditures for
    facilities and other expenses that could not be attributed to
    particular flights or classes of flights.  The GRA Study
    allocated fixed costs among all classes of users using a
    methodology called "Ramsey pricing."  This methodology
    distributes fixed costs among classes of users based on the
    elasticity of their demand for services in an effort to minimize
    the effect of the regulation on the behavior of users.  Thus,
    under this method of allocating fixed costs, classes of users
    less sensitive to changes in price are allocated a relatively
    greater share of fixed and common costs.  See M. Wohl & C.
    Hendrickson, Transportation Investment and Pricing Princi-
    ples 208-09 (John Wiley & Sons 1984).
    The petitioners, including several foreign airlines and an
    association of Canadian airlines, ask us to vacate the IFR for
    a variety of reasons.  First, they assert that, despite the
    procedures specified in 49 U.S.C. s 45301(b)(2), the FAA
    violated both the Administrative Procedure Act ("APA"), 5
    U.S.C. s 553, and the consultation provisions of several in-
    ternational aviation agreements, by making the new fee
    structure effective before considering their comments and
    objections.  They also contend that the IFR violated the
    antidiscrimination provisions of international agreements by
    imposing fees on overflights which had a disparate impact on
    foreign airlines.  Finally, they argue that the IFR's alloca-
    tion of fixed and common costs using Ramsey pricing violat-
    ed the statutory requirement that "each of the fees ... [be]
    directly related to the Administration's costs of providing the
    service rendered."  49 U.S.C. s 45301(b)(1)(B).
    II
    The petitioners first argue that the FAA unlawfully im-
    posed the fees set forth in the IFR before allowing opportuni-
    ty for affected parties to comment or consult.  They base this
    claim on the notice and comment requirements of the APA, as
    well as the provisions of several international aviation agree-
    ments.
    A
    Section 553 of the APA requires agencies to publish "[g]en-
    eral notice of proposed rule making," and "give interested
    persons an opportunity to participate in the rule making...."
    5 U.S.C. s 553(b)-(c).  Such rule-making proceedings must
    provide both notice and meaningful opportunity to comment.
    See Home Box Office, Inc. v. FCC, 
    567 F.2d 9
    , 35-36 (D.C.
    Cir. 1977) ("[T]he opportunity to comment is meaningless
    unless the agency responds to significant points raised by the
    public.").  Section 553 provides that an agency may depart
    from normal notice and comment procedures for "good
    cause."  5 U.S.C. s 553(b)(B).  The APA also recognizes that
    Congress may modify these requirements, but provides that a
    "[s]ubsequent statute may not be held to supersede or modify
    this subchapter ... except to the extent that it does so
    expressly."  5 U.S.C. s 559.
    In this case, the FAA acknowledged that it issued the IFR
    "without public notice and comment" as ordinarily required
    by s 553, and did not properly invoke the "good cause"
    exception to normal APA procedures.  62 Fed. Reg. at 13502.
    Instead, the IFR expressly relied on a procedural directive
    contained within the Act as "subsequent and specific authori-
    ty" that trumped the otherwise-applicable APA s 553.  
    Id. Within a
    section of the Act entitled "Limitations," Congress
    instructed the FAA to "publish in the Federal Register an
    initial fee schedule and associated collection process as an
    interim final rule, pursuant to which public comment will be
    sought and a final rule issued."  49 U.S.C. s 45301(b)(2).
    Keeping in mind Congress's goal to begin fee collection as
    soon as possible, the FAA interpreted the directive to proceed
    via "interim final rule" as obviating the usual first step of
    providing notice of a proposed rule.
    We have looked askance at agencies' attempts to avoid the
    standard notice and comment procedures, holding that excep-
    tions under s 553 must be "narrowly construed and only
    reluctantly countenanced" in order to assure that "an agen-
    cy's decisions will be informed and responsive."  New Jersey
    v. EPA, 
    626 F.2d 1038
    , 1045 (D.C. Cir. 1980).  For example,
    in New Jersey, the EPA issued an immediately effective final
    rule with no prior notice or solicitation of comments, believing
    that the schedule for promulgation of the rule made it imprac-
    ticable to engage in the notice and comment process.  
    Id. at 1041.
     We held that the "tight statutory schedule" set forth in
    the Clean Air Act for designation of "attainment" and "nonat-
    tainment" areas did not, without more, justify departure from
    ordinary APA procedures, because "under the facts of this
    case, the Administrator could have reconciled the commands
    of the two acts by publishing the designations ... as pro-
    posed rules."  
    Id. at 1047.
     Similarly, in Air Transport Ass'n
    of Am. v. Department of Transportation, 
    900 F.2d 369
    (D.C.
    Cir. 1990), vacated for mootness, 
    933 F.2d 1043
    (D.C. Cir.
    1991), we characterized New Jersey as holding that a "statu-
    tory deadline did not constitute good cause to forgo notice
    and comment absent 'any express indication' by Congress to
    this effect."  
    Id. at 378-79
    (quoting New 
    Jersey, 626 F.2d at 1043
    ).  Cf. Petry v. Block, 
    737 F.2d 1193
    , 1200-02 (D.C. Cir.
    1984) (holding that "extraordinary factors" justified invocation
    of the good cause exception under s 553).  However, none of
    those decisions involved statutory language similar enough to
    that in this case as to create precedent binding our construc-
    tion, as none presented a specific directive to adopt proce-
    dures other than those of the APA.
    Applying s 559, the Supreme Court has held that "[e]x-
    emptions from the terms of the Administrative Procedure Act
    are not lightly to be presumed in view of the statement in
    [s 559] that modifications must be express."  Marcello v.
    Bonds, 
    349 U.S. 302
    , 310 (1955) (citation omitted).  Marcello
    relied upon statutory language and legislative history to hold
    that the 1952 Immigration and Nationality Act displaced the
    hearing requirements of the APA.  Id.;  see also Ardestani v.
    INS, 
    502 U.S. 129
    , 134 (1991) (reaffirming Marcello, holding
    that the APA does not "displace the INA in the event that
    the regulations governing immigration proceedings become
    functionally equivalent to the procedures mandated for adju-
    dications governed by [APA] s 554.").  And, as we have pre-
    viously stated, "the import of the s 559 instruction is that
    Congress's intent to make a substantive change be clear."
    Ass'n of Data Processing Serv. Orgs., Inc. v. Board of Gover-
    nors, 
    745 F.2d 677
    , 686 (D.C. Cir. 1984) (emphasis in origi-
    nal).  The question here is whether Congress has established
    procedures so clearly different from those required by the
    APA that it must have intended to displace the norm.
    Our closest precedent is Methodist Hospital of Sacramento
    v. Shalala, 
    38 F.3d 1225
    (D.C. Cir. 1994).  There, a statute
    directing the Secretary of Health and Human Services to
    establish new Medicare regulations expressly provided for an
    "expedited regulatory process":
    The Secretary shall cause to be published in the Federal
    Register a notice of the interim final ... rates ... no
    later than September 1, 1983, and allow for a period of
    public comment thereon.  Payment on the basis of pro-
    spective rates shall become effective on October 1, 1983,
    without the necessity for consideration of comments re-
    ceived, but the Secretary shall, by notice published in the
    Federal Register, affirm or modify the amounts by De-
    cember 31, 1983, after considering those comments.
    Social Security Amendments of 1983 ("Amendments"), 97
    Stat. 65, 168 (April 20, 1983).  The Secretary claimed that this
    specific required procedure displaced APA requirements, ar-
    guing in the alternative that the "good cause" exception made
    notice and comment unnecessary if the APA applied.  Meth-
    odist 
    Hospital, 38 F.3d at 1235
    .
    We held for the Secretary but did not clearly differentiate
    between the two arguments.  Citing Petry, we noted that the
    Secretary confronted a statute different from those which
    allowed the agency "a substantial period of time within which
    to propose regulations, the promulgation of which it knew was
    both necessary and forthcoming in the future."  
    Id. at 1237
    (citations and quotation marks omitted).  We concluded that
    "the strict deadlines and special procedures imposed" on the
    Secretary by the amended act under which she was operating
    "constituted sufficiently 'good cause' ... for bypassing the
    APA's notice and comment requirement."  
    Id. (quoting 5
    U.S.C. s 553(b)(B)).  Methodist Hospital clearly did not disa-
    vow reliance on the good cause exception found in s 553.  We
    think that it could have.  Statutory language imposing strict
    deadlines, standing alone, does not constitute sufficient good
    cause under s 553 or an express modification pursuant to
    s 559 justifying departure from standard notice and com-
    ment.  But, as we said in Methodist Hospital, when Congress
    sets forth specific procedures that "express[ ] its clear intent
    that APA notice and comment procedures need not be fol-
    lowed," an agency may lawfully depart from the normally
    obligatory procedures of the APA.  
    Id. In the
    Act, Congress provided express direction to the
    FAA regarding its procedure for establishing fees for over-
    flights:  "the Administrator shall publish in the Federal Reg-
    ister an initial fee schedule and associated collection process
    as an interim final rule, pursuant to which public comment
    will be sought and a final rule issued."  49 U.S.C.
    s 45301(b)(2).  This language at least in part specifies proce-
    dures which differ from those of the APA:  the agency was to
    issue not a proposed rule, but an "interim final rule," and
    comment was to be sought "pursuant to," not in anticipation
    of, that rule.  The Act also authorized the Administrator "to
    recover in fiscal year 1997 $100,000,000."  49 U.S.C.
    s 45301(b)(1)(A).  This language, along with the statutory
    directive that the IFR specify procedures for collecting fees,
    demonstrates that the statute contemplated that the IFR
    would be issued and implemented during fiscal 1997.  Given
    that the Act was not passed until after the beginning of fiscal
    1997, the agency had to move quickly to establish a fee
    schedule and collection process in order to fulfill this statuto-
    ry goal.  The legislative history of the Act also demonstrates
    that Congress sought rapid action from the agency to begin
    recovering costs of services provided to overflights through
    FAA-controlled airspace which heretofore had been "free
    riders."  See, e.g., Report of the Committee on Commerce,
    Science, and Transportation on S. 1994, S. Rep. No. 104-333,
    at 37 (1996) ("It is envisioned that the FAA will move as
    quickly as possible to develop and impose these fees and
    systems.  The sooner funds can be drawn from the proposed
    fees on international overflights ... the better off the FAA
    will be in the short-term.").
    In this statutory scheme, Congress specified procedures
    under s 45301(b)(2) that cannot be reconciled with the notice
    and comment requirements of s 553.  A cardinal principle of
    interpretation requires us to construe a statute "so that no
    provision is rendered inoperative or superfluous, void or
    insignificant."  C.F. Communications Corp. v. FCC, 
    128 F.3d 735
    , 739 (D.C. Cir. 1997) (internal quotation marks omitted)
    (quoting Mail Order Ass'n of America v. United States
    Postal Service, 
    986 F.2d 509
    , 515 (D.C. Cir. 1993)).  The
    petitioners have not advanced any reasonable construction of
    s 45301(b)(2) that would harmonize with simultaneous appli-
    cation of s 553.  Were we to hold that the FAA had to issue a
    proposed rule and allow meaningful opportunity to comment
    before issuing the IFR, the resulting process would be so
    nearly indistinguishable from normal notice and comment as
    to deprive this special procedural provision of any effect, and
    to thwart the apparent intent of Congress in enacting the
    special procedure.  It is therefore not difficult to conclude
    that Congress in this case purposely and expressly created an
    exception to the otherwise-applicable APA notice and com-
    ment procedures.
    Admittedly, Congress did not speak as clearly here as it
    had in Methodist Hospital.  There, the Amendments not only
    specified proceeding by means of an interim final rule, but
    also established a timetable for the IFR, including the effec-
    tive date of new rates and a target date for the final rule.
    Furthermore, the Amendments specifically noted that the
    rates "shall become effective ... without the necessity for
    consideration of comments received."  
    Amendments, supra
    .
    Even though s 45301(b)(2) does not establish a specific time-
    table for every step in the regulatory process, it plainly
    expresses a congressional intent to depart from normal APA
    procedures.  The FAA followed that congressional intent as
    far as it went.  It is probably the case that once the FAA
    issued the IFR, the APA once again became controlling for
    all subsequent proceedings, but that is not the question
    before us.  For present purposes, given the "entire set of
    circumstances before us," 
    Petry, 737 F.2d at 1203
    , the FAA
    has conformed to applicable law.
    To summarize, we hold that, to the extent that s 45301
    specified otherwise, the FAA was not required to conform to
    APA s 553 procedures.  Because the FAA complied with
    s 45301, the process by which it implemented fees for over-
    flights withstands the petitioners' challenge.
    B
    The petitioners also argue that international aviation agree-
    ments create a duty to provide "[r]easonable notice ... prior
    to changes in user charges," to engage in "consultations," and
    to "exchange such information as may be necessary to permit
    an accurate review of the reasonableness" of charges.  See,
    e.g., U.S.-Canada Air Transport Agreement, s 8(C).  Because
    the FAA must "act consistently with obligations of the United
    States government under an international agreement," 49
    U.S.C. s 40105, the petitioners claim that the FAA unlawfully
    failed to receive and respond to comments before the new fee
    structure went into effect.  The FAA responds that none of
    these agreements creates an enforceable duty to provide
    notice or consultation, and if they did, any obligation under
    s 40105 to comply with these agreements is superseded by its
    more recently enacted and more specific duty to comply with
    s 45301 in implementing fees for overflights.
    We agree with the FAA that its actions did not violate any
    duties actually imposed by international aviation agreements.
    Most of the agreements relied upon by petitioners speak of
    general aims, not specific obligations.  For example, the U.S.-
    Canada Air Transport Agreement imposes no duty to consult
    prior to changes in user fees.  It provides only that "[e]ach
    Party shall encourage consultations between the competent
    charging authorities ... and the airlines ... and shall en-
    courage the competent charging authorities ... to exchange
    such information as may be necessary to permit an accurate
    review of the reasonableness of the charges...."  U.S.-
    Canada Air Transport Agreement, s 8(C) (emphasis added).
    The strongest language petitioners advance, found in the
    same agreement, says no more than that "[r]easonable notice
    shall be given prior to changes in user charges."  
    Id. In this
    case, the FAA published the new fee structure sixty days
    before its effective date.  The new regulation was not sprung
    upon any user without that user having advance knowledge
    that its activities would incur these new fees.  Petitioners
    offer us no basis to conclude that this is not reasonable notice.
    The petitioners have not cited any international agreement
    that comes close to imposing a duty to consult.  But even if
    such a duty could be found in an agreement only to "encour-
    age consultations," the record does not indicate that the FAA
    failed to consult with affected foreign users.  Prior to the
    effective date of the IFR, FAA staff held informal meetings
    as well as a public meeting with representatives of foreign
    airlines, provided copies of materials from the docket relevant
    to the IFR's development, and accepted forty comments on
    the rule.  Although these exchanges may not have influenced
    the content of the regulations made effective on May 19, 1997,
    the terms "consultation" and "exchange of information" in the
    cited international agreements do not import the full notice
    and comment apparatus of APA s 553.  The procedures
    adopted by the FAA cannot be said to have breached the
    terms of these international agreements.
    III
    Substantively, petitioners argue that the rule adopted by
    the FAA unlawfully discriminates against foreign air carriers
    in violation of the provisions of several international aviation
    agreements.  On this point petitioners' quarrel is with Con-
    gress, not the FAA.  The agency did nothing more than
    implement the express terms of the statutory mandate.  But
    we need not linger long over the issue.  The regulation does
    not discriminate against foreign carriers by applying fees to
    overflights.  The Act directs the agency to develop a fee
    structure for services provided to aircraft that "neither take
    off from, nor land in, the United States."  49 U.S.C.
    s 45301(a)(1).  On its face, this language is completely neu-
    tral, applying to all overflights regardless of nationality.  In
    fact, several U.S. carriers have already been charged fees for
    services provided to overflights.
    Of course, a facially neutral statute may be no more than a
    pretext to mask discriminatory intent and effects--but we
    find no pretext in this case.  The United States has for many
    years expended tax dollars to provide air traffic control and
    other services to aircraft flying through its airspace.  Before
    this enactment, the FAA collected user fees to support its
    operations via taxes imposed on carriers only at takeoff and
    landing, and further subsidized overflight services from its
    general operating budget.  Thus, any flight which originated
    or terminated in U.S. territory not only paid for its share of
    services, but to some degree cross-subsidized the provision of
    services to flights which used U.S. services without touching
    the ground in the U.S.  Flights crossing through U.S. air-
    space require facilities and staff to manage them.  Hereto-
    fore, these flights have not borne their share of the costs of
    services provided to them by the FAA.  It is not discrimina-
    tory to impose fees on this group of users for services that
    they use but for which they have not previously been charged,
    regardless of whether the group is disproportionately com-
    posed of foreign carriers.
    IV
    Petitioners argue that the FAA exceeded the scope of its
    statutory authorization by establishing fees for providing in-
    flight services to aircraft crossing oceanic territory served by
    the FAA.  They base this argument on a single phrase
    embedded within the statute's limitations clause, namely, that
    "services" only include those "which are available to facilitate
    safe transportation over the United States."  49 U.S.C.
    s 45301(b)(1)(B).  The petitioners assert that a "plain mean-
    ing construction" of the term "over the United States" places
    a geographic limitation on the FAA's authority to impose
    overflight fees.  They say this constitutes a clear statement
    by Congress addressing "the precise question at issue," Chev-
    ron U.S.A. Inc. v. Natural Resources Defense Council, Inc.,
    
    467 U.S. 837
    , 843 (1984), and conclude that the portion of the
    regulation addressing oceanic overflights is ultra vires.
    Reading this phrase in its context demonstrates the weak-
    ness of this argument.  The limitations clause defines "ser-
    vices" to include
    the costs of air traffic control, navigation, weather ser-
    vices, training and emergency services which are avail-
    able to facilitate safe transportation over the United
    States, and other services provided by the Administrator
    or by programs financed by the Administrator to flights
    that neither take off nor land in the United States.
    49 U.S.C. s 45301(b)(1)(B).  Under the most natural reading
    of the statutory language, the phrase "which are available to
    facilitate safe transportation over the United States" modifies
    "training and emergency services," not the entire range of
    possible services.  At most, the phrase modifies the list of
    items beginning with "air traffic control," and concluding with
    "training and emergency services."  In no way can it sensibly
    be construed to modify "costs," the object of the verb "in-
    clude" which is modified by the whole prepositional phrase
    beginning with "of" and including the words "and other
    services provided by the Administrator."  That last item in
    the list, "other services provided by the Administrator," plain-
    ly expresses a congressional intent to include in the relevant
    "costs" services outside those set forth in the earlier list, no
    matter how many of the listed nouns are modified by the
    phrase including the critical term "over the United States."
    Therefore, not only does the section not express a clear
    congressional intent to prevent the FAA from imposing fees
    for oceanic overflights, but the natural reading of the statuto-
    ry language is that Congress has expressed its intent that the
    agency recover its costs for services provided to flights
    through U.S.-controlled airspace without regard to whether
    an aircraft crosses U.S. land territory.  Under Chevron, this
    is enough;  we need not address whether the FAA reasonably
    could construe the statute to allow it not to impose fees on
    such flights.  Insofar as there is any ambiguity in Congress's
    intent on the question, we can only require that an agency's
    interpretation be a reasonable one.  
    Chevron, supra
    .  The
    statute can at least reasonably be interpreted to allow the
    FAA to charge for services provided to an aircraft that
    neither takes off nor lands in the United States, regardless of
    whether its flight path takes it "over the United States."
    V
    Finally, petitioners argue that the FAA exceeded its statu-
    tory authority by basing fees, at least in part, on the value to
    the recipient of services provided instead of on costs.  Peti-
    tioners contend that the statutory directive to "ensure that
    each of the fees required ... is directly related to the
    Administration's costs of providing the service rendered," 49
    U.S.C. s 45301(b)(1)(B), prohibits such value-based pricing.
    The FAA does not dispute petitioners' interpretation of the
    statute.  The FAA Office of Aviation Policy and Plans ex-
    pressly recognizes that "Congress has mandated the fee
    should be service based and not based on value...."  Regu-
    latory Evaluation at 7.  The IFR itself states that one option
    proposed by the GRA Study, charging based on aircraft
    weight, would violate this limitation:  "when viewed as a
    measure of value of the service to the user [the use of weight]
    is not consistent with the FAA's current authority."  62 Fed.
    Reg. at 13501.  We agree with petitioners that, insofar as the
    FAA allocated fixed and common costs using the Ramsey
    pricing methodology, its fee structure impermissibly included
    a component based on value to the user.
    The FAA estimated the total annual cost of air traffic
    control and related services to be $6.3 billion, including $2.2
    billion in incremental costs directly attributable to provision
    of in-flight services to all flights.1  See FY 1995 Cost Alloca-
    tion Study at 6-12, 6-19, & 6-22.  Incremental costs vary
    with the quantity of service provided and include, for exam-
    ple, controller staff time and facility operating costs.  Peti-
    tioners do not contest that a component of fees based on
    these costs is indeed "directly related to the Administration's
    costs of providing the service rendered" to each flight.  The
    remaining $4.1 billion reflects the fixed and common costs of
    providing air traffic services, including, for example, radar
    installations and computer software.  The FAA asserts that
    "excluding such costs from the rate base for overflights would
    effectively perpetuate a system in which operators of such
    flights do not fully reimburse the agency for the services they
    receive," and that "the exclusion of these costs from the rate
    base would conflict with Congress's directive that 'the fees
    shall be based on the direct total cost of providing the
    service.' "  FAA Br. at 22 (quoting H.R. Conf. Rep. No.
    __________
    1 Overflights accounted for approximately one percent of these
    totals.
    104-848, 104th Cong., 2d Sess. 110, reprinted in 1996
    U.S.C.C.A.N. 3703, 3732).  Petitioners do not dispute that the
    agency may recover fixed costs;  they simply argue that the
    FAA did not "allocat[e] its indirect costs in a way that ...
    met statutory standards."  Pet. Repl. Br. at 14.  The difficul-
    ty with determining the portion of fixed and common costs
    attributable to overflights is that by definition these costs are
    shared among a great number of users besides overflights
    and so, in a sense, do not directly relate to the quantity of
    services consumed.  Thus, a method must be devised to
    apportion these costs among all the users who benefit from
    them, without violating the strictures of the statute.
    The apportionment methodology adopted by the FAA in-
    volved an optimization technique called "Ramsey pricing."
    Ramsey pricing varies the share of total fixed and common
    costs allocated to a user based on the likely impact of such a
    cost change on that user's behavior.  This impact is related to
    the user's elasticity of demand and to the relationship be-
    tween the amount to be charged and the user's total operat-
    ing costs.
    In applying that method to allocate fixed costs, the GRA
    Study classified flights into "User Types," including Commer-
    cial Users, General Aviation Users, Public Users, and Over-
    flights, with the first three further broken down into twelve
    subtypes.  Each of these thirteen categories was assigned a
    demand elasticity based on a rough estimate from earlier
    studies.  The GRA Study categorized 1995 flight data by
    User Type and divided them into seven flight distance catego-
    ries.  GRA then computed the average operating cost (includ-
    ing crew, oil, fuel, maintenance, and taxes) and the average
    incremental air traffic services cost for each of the 612 Type-
    Distance combinations.  Using a "mathematical optimization
    technique," it finally determined the Ramsey prices for each
    combination.  While its description of this process is, charita-
    __________
    2 Matching the twelve subtypes and Overflights against the seven
    distance categories yielded 91 combinations, but 30 of these had an
    insignificant number of flights and so were included in the next
    higher distance block.
    bly speaking, rather opaque, it appears that this involved
    finding the optimum total cost (including operating costs and
    incremental and fixed air traffic services costs) for each
    combination based on the demand elasticity and the differ-
    ence between price and incremental cost.  Subtracting out
    the operating costs yielded the "Ramsey price" for each
    category, including both incremental and fixed costs.  Signifi-
    cantly, the study noted that "[t]he allocation of those common
    and fixed costs depends heavily on the overall flight cost.  As
    the price of air traffic services becomes a smaller fraction of
    total costs, the optimization will assign a higher Ramsey price
    to higher cost flights (holding all else constant)."  GRA Study
    at 51.  Finally, the Ramsey prices for the overflight catego-
    ries were adjusted for services not provided to oceanic over-
    flights and for inflation and cost increases since 1995, and run
    through a regression to arrive at the per-mile cost equations
    found in the IFR.
    The FAA offered good reasons for adopting this approach.
    Ramsey pricing "varies the shares of common or fixed costs
    allocated to a user type based on the likely impact of such a
    cost change on user behavior."  GRA Study at 38.  It results
    in pricing which theoretically ensures the most economically
    efficient use of services.  (The most efficient price structure,
    in terms of forcing users to internalize the costs of their
    operations, is to set fees equal to marginal costs.  Ramsey
    pricing aims to preserve incentive neutrality when adding a
    fixed cost component to marginal-cost prices.)  Ramsey pric-
    ing could also have a positive impact on the FAA's primary
    mission of air traffic safety:  some cost-sensitive users, if
    charged a large share of fixed costs, might in response lower
    their utilization of air traffic services to an unsafe level.
    The difficulty with the FAA's justification is that not all
    good reasons are lawful reasons.  See, e.g., American Petrole-
    um Inst. v. EPA, 
    52 F.3d 1113
    , 1119 (D.C. Cir. 1995) (An
    agency "cannot rely on its general authority to make rules
    necessary to carry out its functions when a specific statutory
    directive defines [its] relevant functions ... in a particular
    area.").  No matter how strong the justification, s 45301
    prohibits basing fees on the value of the service to the user
    rather than cost.  And Ramsey pricing appears to do just
    that.  As described by the FAA, Ramsey pricing "takes a cost
    amount from another source and allocates that cost among
    particular users based on the value of the service to them."
    FAA Br. at 21;  see also 
    id. at 5
    ("Ramsey Pricing methodolo-
    gy takes a given cost amount and allocates it among particu-
    lar users based on the value of the service to them.").  In its
    brief, the FAA insists that the petitioners wrongly suggest
    that it used Ramsey pricing to "establish costs based on the
    value of such costs to users."  
    Id. at 21
    (emphasis added).
    This distinction drawn by the FAA illuminates the very pit
    into which it has fallen:  although it is true that the total cost
    figure is based on real cost data and not on a "market price"
    for services, the fact is that the FAA has distributed those
    costs among all users of the system based on the value of
    services as perceived by each group of users.  The problem
    arises because the FAA chooses to understand "costs" at too
    high a level of generality.  The FAA seems to think it has
    complied with Congress's mandate simply because "[t]otal
    fees assessed for using each type of airspace (domestic and
    oceanic) do not exceed the costs of providing services within
    that type of airspace."  62 Fed. Reg. 13499.  But that is not
    what Congress mandated.
    Statutory language requiring that "each" fee be "directly
    related to ... the costs of providing the service rendered"
    expresses a clear congressional intent that fees must be
    established in such a way that each flight pays according to
    the burden associated with servicing that flight.  There may
    be methods to reasonably determine an appropriate fraction
    of the FAA's fixed costs to assign to each overflight, and if
    the FAA does not have enough information to precisely
    determine the burdens imposed by individual flights, it may
    proceed based on the best data available.  See Radio Ass'n
    on Defending Airwave Rights, Inc. v. Department of Trans-
    portation, 
    47 F.3d 794
    , 806 (6th Cir.), cert. denied, 
    116 S. Ct. 59
    (1995).  However, it may not set fees on a basis other than
    cost.  In this case it attempted to do so when it apportioned
    its costs among user groups based on each group's relative
    sensitivity to the amount charged.  This regulation cannot be
    saved by the fact that the total amount recovered would equal
    the FAA's total cost of providing services, when the fees
    charged a flight are not "directly related" to the agency's cost
    of providing "each service."
    CONCLUSION
    Although the FAA adopted procedures consistent with the
    statutory requirements, we hold that the fee structure im-
    posed by the IFR was impermissibly based, at least in part,
    on the value of services to users.  Because the IFR and the
    underlying record material suggest no way to circumscribe a
    component of the fees based entirely on direct costs of
    services, we vacate the fee schedule in its entirety and
    remand to the FAA for further proceedings consistent with
    this opinion.