Airworthiness Directive 81-13-05
one-timeAirworthiness Directives; SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-13-05 DOWTY ROTOL: Amendment 39-4169. Applies to Dowty Rotol (c)R.289/3-110-F/1 and
Which aircraft AD 81-13-05 applies to
Dowty Rotol R.289/3-110-F/1 and /11 propellers on WSK-Pezetel PZL-3S engines installed on Gulfstream American and other airplanes (text truncated: 'installed on but not limited to Gulfstream...').
Whether AD 81-13-05 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.