Exhibit 99.1


                        CERTIFICATION PURSUANT TO
                         18 U.S.C. SECTION 1350,
                         AS ADOPTED PURSUANT TO
              SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


Each  of  the  undersigned hereby certifies, in his/her  capacity  as  an
officer  of  Atlantic Coast Airlines Holdings, Inc. (the "Company"),  for
purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002, that:

  -  the  Annual Report of the Company on Form 10-K for the period  ended
December  31, 2002 fully complies with the requirements of Section  13(a)
or Section 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or
78o(d)); and

  -  the  information contained in such report fairly  presents,  in  all
material  respects, the financial condition and results of  operation  of
the Company.

Dated:  March 29, 2003


/s/__________________
Name:     Kerry B. Skeen
Title:    Chairman and Chief Executive Officer

/s/__________________
Name:     Richard J. Surratt
Title:    Executive Vice President, Treasurer, and Chief Financial
Officer


A  signed original of this written statement required by Section 906  has
been  provided  to  Atlantic Coast Airlines Holdings, Inc.  and  will  be
retained by Atlantic Coast Airlines Holdings, Inc. and furnished  to  the
Securities and Exchange Commission or its staff upon request.