(a) Any operator that exceeds the requirements of paragraph (b) of
§91.865 of this part on or before December 31, 1994, or on or before
December 31, 1996, may claim a credit that may be applied at a subsequent
interim compliance date.
(b) Any operator that eliminates or modifies more Stage 2 airplanes
pursuant to §91.865(b) than required as of December 31, 1994, or December
31, 1996, may count the number of additional Stage 2 airplanes reduced as
a credit toward --
(1) The number of Stage 2 airplanes it would otherwise be required to
reduce following a subsequent interim compliance date specified in
§91.865(b); or
(2) The number of Stage 3 airplanes it would otherwise be required to
operate in its fleet following a subsequent interim compliance date to
meet the percentage requirements specified in §91.865(d).