Helio Aircraft Corporation
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$8.00Helio Aircraft Corporation H-250 1974 Revision 21 Aircraft Specification (HEH250-74-SP-C)
Helio Aircraft CorporationH-250 (USAF U-10D) H-295 (USAF YL-24) H-391, H-391B (USAF L-28A) H-395, H-395A
$8.00 -
$8.00Helio Aircraft Corporation H-250 1973 Revision 20 Aircraft Specification (SPEC.-NO.-1A8)
Helio Aircraft CorporationH-250 (USAF U-10D) H-295 (USAF YL-24) H-391, H-391B (USAF L-28A) H-395, H-395A
$8.00
