STC Holder: Yehnert Helicopters, Inc
Aviation DataSource, Inc.
No. of STCs: 4
STC Holder: Yehnert Helicopters, Inc Address: 1049 Airport Drive, Upland, CA 91786, United States | Contact us to have your company added here! | ||||
STC No.: SE78WE | Status: Current | App Date: | Rev Date: 08/11/1976 | ||
TC Nos.: E9EA, | |||||
Models: | |||||
ACO: AIR-770: West Certification Branch LA | |||||
Install two locking pins in Franklin Part Number 21014J oil transfer collar, 180 degrees apart, to prevent rotation of oil seal in collar. |
STC Holder: Yehnert Helicopters, Inc Address: 1049 Airport Drive, Upland, CA 91786, United States | Contact us to have your company added here! | ||||
STC No.: SH3556NM | Status: Current | App Date: | Rev Date: 12/17/1986 | ||
TC Nos.: H3WE, | |||||
Models: | |||||
ACO: AIR-770: West Certification Branch LA | |||||
Installation of low profile instrument panel. |
STC Holder: Yehnert Helicopters, Inc Address: 1049 Airport Drive, Upland, CA 91786, United States | Contact us to have your company added here! | ||||
STC No.: SH4544NM | Status: Current | App Date: | Rev Date: 08/31/1994 | ||
TC Nos.: H3WE, | |||||
Models: | |||||
ACO: AIR-770: West Certification Branch LA | |||||
Modification of engine inlet fairing. |
STC Holder: Yehnert Helicopters, Inc Address: 1049 Airport Drive, Upland, CA 91786, United States | Contact us to have your company added here! | ||||
STC No.: SR00135LA | Status: Current | App Date: 11/22/1994 | Rev Date: 12/15/1995 | ||
TC Nos.: 4H10, 4H11, | |||||
Models: | |||||
ACO: AIR-770: West Certification Branch LA | |||||
Installation of Yehnert Tail Rotor Blades YH-278 as replacements for Hiller Tail Rotor Blades 55073. |