Airworthiness Directive · Amendment 39-19597 · Equipment/furnishing
HPH s. r.o. Gliders
This AD applies to HPH s. r.o. Models Glasfügel 304C, Glasfügel 304CZ, and Glasfügel 304CZ-17 gliders, all serial numbers, certificated in any category, with a center of gravity (C.G.) tow release installed.
We are adopting a new airworthiness directive (AD) for HPH s. r.o. Models Glasf[uuml]gel 304C, Glasf[uuml]gel 304CZ, and Glasf[uuml]gel 304CZ-17 gliders. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as jamming between the double two-ring end of the towing cable and the deflector angles of the center of gravity (C.G.) release mechanism. We are issuing this AD to require actions to address the unsafe condition on these products.
Unless already done, do the following actions before the next winch launch after April 23, 2019 (the effective date of this AD):
(1) Measure the distance between and parallelism of the deflector angles on the C.G. tow release by following paragraph 1 in the Action section of HPH spol.s r.o. Service bulletin No. G304 CZ—10 a), G304 CZ-17—10 a), G304 C—10 a), dated August 28, 2018 (co-published as one document).
(2) If the distance between the deflector angles is less than 36 mm, before the next winch launch, correct the distance by following paragraph 2 in the Action section of HPH spol.s r.o. Service bulletin No. G304 CZ—10 a), G304 CZ-17—10 a), G304 C—10 a), dated August 28, 2018 (co-published as one document).
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
