Whelen 7155401
Whelen 71554 series is a white LED tail position light, TSO-C30c Type III, in 14 V and 28 V versions with horizontal or vertical mounting holes, 64 g. Whelen lists EASA STC 10055068 (fixed wing) and 10056206 (rotorcraft).
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- 01-0771554-01
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The Whelen 71554 series is an aviation white LED tail position light for 14 V or 28 V DC aircraft, approved to TSO-C30c Type III; Whelen also lists E-TSO approval. Six LEDs sit under a clear hard-coated polycarbonate lens. The light weighs 0.14 lb (64 g) and measures 35.6 × 40.4 × 52.6 mm (exposed height × width × length).
01-0771554-11 (7155411, horizontal) and 01-0771554-12 (7155412, vertical) are the 14 V versions: 11–15 V DC, 0.25 A, red +14 V and black ground leads. 01-0771554-01 (7155401, horizontal) and 01-0771554-02 (7155402, vertical) are the 28 V versions: 22–30 V DC, 0.125 A, white +28 V lead. Horizontal versions have the mounting holes at 9 and 3 o'clock, vertical versions at 12 and 6 o'clock. The light mounts as far aft as practicable on a thermally conductive surface. If any LED fails, the unit is repaired or replaced; Whelen specifies an annual inspection.
Whelen lists EASA STC 10055068 for fixed-wing aircraft; EASA STC 10056206 for rotorcraft covers P/N 01-0771554-( ) within its approved model list. A certified aircraft needs an approved modification and a Certificate of Release to Service. Fit depends on the aircraft type, the electrical system voltage and the mounting orientation.
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