he duration and under the conditions prescribed in FAR Part 21, Section 21.181 or . 21.217. +t fo EFTA00277907 1.• A -s - ••••••• • • T• • p. USDepairreor of Transportation Federal Aviation Aderdnismation February,2, 1990 EXPERIMENTAL - SHOW COMPLIANCE WITH FAR's MAKE: Boeing MODEL: 727-31 SER