EXHIBIT 10.45(1)

CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY WITH THE
SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A CONFIDENTIAL TREATMENT
REQUEST.



                          FIRST AMENDMENT
                TO THE AIRCRAFT PURCHASE AGREEMENT
                              BETWEEN
                      DORNIER LUFTFAHRT GMBH
                                AND
                      ATLANTIC COAST AIRLINES




           Dornier  Luftfahrt  GmbH ("Seller") and  Atlantic  Coast
Airlines  ("Purchaser"),  have entered into  an  Aircraft  Purchase
Agreement  dated March 31, 1999 (the "Agreement"),  concerning  the
sale  of certain Dornier 328-300 and 428 aircraft.  The Capitalized
Terms  used  without definition in this First Amendment shall  have
the meaning ascribed to them in the Agreement.

           WHEREAS,  the  parties  hereto  wish  to  amend  certain
provisions of the Agreement;

           NOW,  THEREFORE,  in consideration of the  premises  and
mutual covenants hereinafter contained, the parties hereto agree as
follows:

               1.   The Agreement is hereby amended by:

                    a.   Definitions - ----------------------------
          --------------------------------------------

                    b.    Definitions - inserting the following new
          definitions between "FAT" and "Insurance Items":

                    "Group A Aircraft - The Aircraft identified  as
                    Group  A  Aircraft to be delivered to Purchaser
                    in  accordance with the delivery  schedule  set
                    forth in Exhibit III."

                    "Group B Aircraft - The Aircraft identified  as
                    Group  B  Aircraft to be delivered to Purchaser
                    in  accordance with the delivery  schedule  set
                    forth in Exhibit III."

                    c.    Article 1.1, replacing the words  "fifty-
          five (55)" with "eighty (80)".

                    d.    Article  1.2,  replacing  (i)  the  words
          "twenty-five  (25)"  in the first  sentence  with  "forty
          (40)",  (ii)  ------------------- in the second  sentence
          with--------- and (iii) the words -----------------------
          - in the third sentence with ----------------------------
          ---------------------------------------------------------
          ------------------------

                    e.    Article 2.1b, replacing the numbers  "26-
          55" in the second sentence with "41-80".

                    f.    Article 2.2, replacing the date "February
          2003"  and the numbers "26-55" with "September 2002"  and
          "41-80", respectively.

                    g.   Article 2.2a, replacing ------------------
          ------------------------------------------------------
          with -----

                    h.    Article  2.2c,  replacing  (i)  the  year
          "2003"  in the first sentence with "2002", (ii) the  date
          "December 31, 2001" in the second sentence with "July 31,
          2001",  and  (iii)  the date "June  2004"  in  the  third
          sentence with "January 2004".

                    i.    Article  2.2, inserting the following  at
          the end of the article as Article 2.2e:

                         "e.  -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              ----------------

                    j.    Article  2.3,  replacing  ---------------
          with -----

                    k.   Article 2.5, replacing the numbers "26-55"
          with "41-80".

                    l.   Article 4.1b, deleting the second sentence
          in its entirety and replacing it with the following:

                    "The   Initial   Deposit  of  ----------,   the
                    Additional  Deposit  of -------------  and  the
                    deposit  paid  in  connection  with  the  first
                    amendment in the amount of ------------ will be
                    held by Seller for a total deposit of ---------
                    ----   ("Deposit")  representing  a  ----------
                    deposit with respect to each Aircraft."

                    m.    Article 8.2, replacing the words "In  the
          event   Purchaser   elects   to   change   the   Aircraft
          configuration  or its selected Optional  Equipment,  the"
          with  "Purchaser shall provide Seller with  its  interior
          selections  for  the Group A Aircraft by  no  later  than
          October  1,  1999, Group A paint scheme for the  Group  A
          Aircraft  by  no  later than October 31,  1999,  and  the
          interior/exterior selections for the Group B Aircraft  by
          no later than May 31, 2000.  Any".

                    n.    Article 11.1a.(iii), adding the following
          sentence at the end of the article:

                    "A  delay  of delivery of the 2002 428JETs,  as
                    defined  below, pursuant to Article 12.5  shall
                    also constitute an Excusable Delay."

                    o.   Article 12, inserting the following at the
          end of the article as Article 12.5:

"12.5     Notwithstanding the provisions of Article 12, any late
delivery penalties under Article 12 will not apply to the four (4)
428JET Aircraft scheduled for delivery during 2002 ("2002 428JETs")
until such time as Seller has reconfirmed the delivery date of the
2002 428JETs.  Seller shall reconfirm the delivery dates ("428JET
Delivery Reconfirmation") for the 2002 428JETs no later than one
hundred twenty (120) days prior to the scheduled delivery date,
provided however, if Seller determines, prior to the dates required
for 428JET Delivery Reconfirmation, that it will be unable to
deliver said aircraft on the delivery dates set forth herein, then,
no later than the date by which Delivery Reconfirmation is due,
Seller shall notify Purchaser of a delay in delivery and provide
Purchaser with a new revised delivery schedule.  The Parties will
work together to complete the delivery of the aircraft at the
earliest possible time, provided that Purchaser will not be
required to accept delivery on less than 120 days notice, or to
accept delivery of more than two Aircraft in any one month.  A
delay in delivery of a 2002 428JET may be resolved by deferring
said delivery to a month to be mutually agreed, but no later than
November 2005.  Any delay in delivery of a 2002 428JET pursuant to
this paragraph 12.5 shall be considered an Excusable Delay.  ------
- -------------------------------------------------------------------
- -------------------------------

                    p.   Article 19.1, replacing ------------------
          ---------------------------------.

                    q.   Article 19.2, replacing ------------------
          with ----------------------------.

                    r.   Article 20.1, replacing ------------------
          --------- with --------------

                    s.    Article 20.2 and 20.2a, second paragraph,
          replacing ----------------with -----

                    t.   Article 20.2i, replacing -----------------
          -------- with ---------------

                    u.    Article 20.3, second paragraph, inserting
          the following at the end of the second sentence:

                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------

                    v.   Article 20.4, replacing-------------------
          -------------------------------------- with -------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          -----------------------------

                    w.   Article 20.9, inserting (i) the ----------
          ----------------------after -----------------------------
          ---------------------------------------------------------
          ----------------------------------

                    x.    Article 21.1, replacing the words "fifty-
          five (55)" with "eighty-five (85)."

                    y.   Article 21.9, replacing ------------------
          --------- with -------------------

                    z.   Article 21.11, replacing -----------------
          -----------------------------------------with-----------

                    aa.   Article 23, inserting -------------------
          prior to ------------------------------------------------
          -----------------

                    bb.   Article  25.1, replacing the words  "this
          Agreement"  in  the  first sentence  with  "the  sale  to
          Purchaser of the Group B Aircraft."

                    cc.  Article 25.2, deleting subparagraphs a, b,
          c  and  d  in  their  entirety  and  replacing  with  the
          following subparagraphs:

                         "a.  If   Purchaser  receives  the  United
                              Approval on or before April 30, 2000,
                              the Group B 328-300 Aircraft will  be
                              delivered  according to the  Delivery
                              Schedule.

                                   b.     If   Purchaser   receives
                              United Approval after April 30, 2000,
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              ------------The remaining -----------
                              ---328-300 Group B Aircraft  will  be
                              delivered as scheduled.  Seller  will
                              advise  Purchaser of any rescheduling
                              decision  within  -----------------of
                              the United Approval receipt.

                         c.   If  Purchaser  does not  receive  the
                              United Approval on or before --------
                              -----,  the entire fifteen (15)  328-
                              300  Group  B  Aircraft scheduled  in
                              Exhibit  III  may, at  Seller's  sole
                              option, be delayed by up to ---------
                              ---------  from the date  the  United
                              Approval  is received, unless  Seller
                              and   Purchaser  agree   on   earlier
                              deliveries.    Seller   will   advise
                              Purchaser    of    any   rescheduling
                              decision  within ----------------  of
                              the    United    Approval    receipt.
                              Purchaser  shall not be  required  to
                              accept an Aircraft delivery with less
                              than ---------------advance notice.

                         d.   Any 328-300 Group B Aircraft Delivery
                              Schedule adjustments addressed  above
                              will  not  cause the rescheduling  of
                              428JET Aircraft deliveries under  the
                              Group B Aircraft Delivery Schedule in
                              Exhibit III.

                         e.   If  any  of  the 328-300 Aircraft  in
                              Group   B   are  rescheduled   beyond
                              February 2003, Purchaser may, at  its
                              sole  option,  replace  such  328-300
                              Aircraft with a firm order for 428JET
                              Aircraft.   Purchaser  shall   advise
                              Seller, within -----------------after
                              receipt   of   Seller's   notice   to
                              Purchaser  of the rescheduling,  that
                              Purchaser has elected to replace 328-
                              300  Aircraft with a firm  order  for
                              428JET Aircraft.  -------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------

                         f.   If  Seller  shall have the  right  to
                              reschedule   any  of   the   delivery
                              positions,  as  set  forth  in   this
                              Article 25 upon receipt of the United
                              Approval, it shall not reschedule any
                              328-300  Aircraft that has  not  been
                              sold to a third party buyer prior  to
                              Seller's  ---------------  notice  to
                              Seller  as required in Articles  25.b
                              and c. above."

                    dd.   Article  25.3,  (i) replacing  the  words
          "twenty-five  (25)"  with "the" and  (ii)  inserting  the
          words "Group B Aircraft" after the numbers "328-300."

                    ee.  Article 25.5, inserting the words --------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ----------------------------

                    ff.  Article 28.1, replacing ------------------
          --- with -----------

                    gg.    Article  28.1c.,  replacing  the  number
          "fifty-five (55)" with "eighty (80)".

                    hh.  Article 28.2, replacing ------------------
          --- with -----------

                    ii.  Article 29.1, replacing ------------------
          --------------- with ----------

                    jj.   Article 29.2, subparagraphs  a.  and  b.,
          replacing ------------------- with ----------------------
          ----------------

                    kk.  Article 29.2c, replacing -----------------
          ---------------- with --------------------------------

                    ll.  Article 29.3b, replacing -----------------
          ---with --------

                    mm.   Article  35.12,  (I) replacing  the  word
          "events"  with "event" and (ii) deleting the  words  "and
          removal  of the Condition Precedent set forth in  Article
          25", from the first paragraph.

                    nn.   Exhibit III, Delivery Schedule, replacing
          the  exhibit  in its entirety with Exhibit III,  Delivery
          Schedule attached hereto as Attachment 1.

                    oo.   Exhibit  IX, Clause IX.1.1(i),  inserting
          (i) "and at such time as the total number of Aircraft  on
          firm order (without condition for United Approval) is  at
          least  56,  a second set of Job Instruction Cards"  after
          the  word  "Cards" and (ii) the following sentence  after
          the fourth sentence:

                    "At  such  time as the total number of Aircraft
                    on  firm  order (without condition  for  United
                    Approval) is at least --, Seller will ---------
                    ----------  of Seller's Technical  Publications
                    and  Documentation to be delivered to Purchaser
                    in  accordance with Annex A, except  for  those
                    Technical    Publications   and   Documentation
                    identified in Annex A to be provided on a  per-
                    Aircraft basis."

                    pp.  Exhibit IX, Clause IX.1.4.d, replacing the
          words  "Upon  Purchaser providing  its  first  Notice  of
          Exercise, as that term is defined in Article 21.2c," with
          "At  such  time  as  Aircraft number ---is  delivered  to
          Purchaser."

                    qq.   Exhibit IX, Clause IX.2.2g(iv), replacing
          the third sentence in its entirety with the following two
          sentences:

                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ----------------------------------------

                    rr.   Exhibit IX, Clause IX.2.2g(iv), replacing
          the last sentence in its entirety with the following:

                         ------------------------------------------
                         ------------------------------------------
                         ------------------------------------------
                         ---------------------------------------

                    ss.   Exhibit  IX,  Clause 2.6,  replacing  the
          words  "Not later than thirty (30) days after Purchaser's
          receipt  of the United Approval" with "By  no later  than
          October 10, 1999."

                    tt.   Exhibit  IX, Clause IX.2.9  and  IX.2.9b,
          replacing the  with -----

                    uu.  Exhibit IX, inserting the following at the
          end of Clause 2 as Clause 2.11:

                    "IX.2.11  -------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          ---------------------------------------------------------
          -----------------------
                    vv.   Exhibit IX, Clause IX.3.5c, amending  the
          table by adding the following at the end of the table:

                         ----------------------

                    ww.  Exhibit IX, Clause IX.3.6, (i) replacing -
          ---------------------------with  -------------   in   the
          first sentence of subparagraph a., (ii) replacing -------
          -------------------" in subparagraph b. with ------------
          -------  and  (iii)  inserting a new subparagraph  c.  as
          follows:

                         "c.  -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              -------------------------------------
                              ------------------------------------

                    xx.   Exhibit  IX,  Clause 4.a,  inserting  the
          following sentence after the first sentence:

                         "The period of assignment will be extended
                         by  ---------------for  each  Aircraft  of
                         Aircraft    numbers   -----delivered    to
                         Purchaser."

                    yy.   Exhibit  XIII, (i) replacing  the  number
          "fifty-five  (55)" with "eighty (80)" in the  definitions
          for  "Eligible  Aircraft" and "Guaranteed  Amount",  (ii)
          replacing ------------------------------------- with ----
          -----------------------------------, and  (iii)  deleting
          the  chart  included with the definition for  "Guaranteed
          Reconciliation  Period  Amount"  in  its   entirety   and
          replacing  with  the  Guaranteed  Reconciliation   Period
          Amount Chart attached hereto as Attachment 2.

                2.    Purchaser  has paid to Seller, in  connection
     with the purchase of fifteen (15) Dornier 328-300 Aircraft and
     ten  (10)  428JET  Aircraft as outlined in the  Memorandum  of
     Understanding dated September 3, 1999, between the parties,  a
     cash  deposit  in the amount of ----------------------  for  a
     total  deposit of ---------- ("MOU Deposit").  The MOU Deposit
     will  become non-refundable upon execution of this  Amendment,
     except  as  otherwise  provided  for  in  the  Agreement.   An
     additional  deposit of ------------ shall be  paid  to  Seller
     upon  execution of this First Amendment ("Amendment Deposit").
     Paragraph 1.k above amends the Agreement accordingly.

                3.    Purchaser will be permitted to execute Option
     Aircraft during any such time that the Condition Precedent for
     United Approval may not have been met.

                4.    Except  as  specifically amended  above,  the
     Agreement shall remain in full force and effect and is  hereby
     ratified and confirmed.

                5.    This First Amendment may be executed  in  any
     number  of  counterparts, each of which when so  executed  and
     delivered shall be deemed to be an original and all  of  which
     taken   together  shall  constitute  but  one  and  the   same
     instrument.




                   [NEXT PAGE IS SIGNATURE PAGE]

           IN WITNESS WHEREOF, the parties hereto have entered into
this  First Amendment to the Aircraft Purchase Agreement  effective
this 10th day of September 1999.


                              DORNIER LUFTFAHRT GMBH


                              BY:


                              TITLE:




                              ATLANTIC COAST AIRLINES


                              BY:


                              TITLE:
                           ATTACHMENT 1

                            EXHIBIT III

                         DELIVERY SCHEDULE

                              GROUP A

 Number of 328-300
  Aircraft/428JET     Year
     Aircraft
        --            ----   -----------------------------------
                             -----------------------------------
                             -----------------------------------
                             -----------------------------------
                             -------------------
        --            ----   -----------------------------------
                             -----------------------------------
                             ----------------


                              GROUP B

 Number of 328-300
  Aircraft/428JET     Year
     Aircraft

         -            ----   -----------------------------------
                             -----------------------------------
                             ---------------------------

- ---                   ----   -----------------------------------
                             -----------------

- ----                  ----   -----------------------------------
                             ----------------------

- ---                   ----   -----------------------------------
                             -------------------

- ---                   ----   ---------------------------

- ---                   ----   -----------------------------------
                             -----------------------------------
                             -----------------------------------
                             -----------------------------------
                             ----------------

                           ATTACHMENT 2

           GUARANTEED RECONCILIATION PERIOD AMOUNT CHART



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