Sikorsky S-55 — Airworthiness Directives & records checklist
3 Sikorsky S-55s are on the U.S. registry. Here’s what a records review covers for one — the Airworthiness Directives that apply, the known trouble spots, and the checklist a buyer or owner should hold every logbook against.
Airworthiness Directives that apply to the Sikorsky S-55
- one-timeAD 67-29-07 — Airworthiness Directives; INFORMATION: REGULATORY TEXT: 67-29-07 SIKORSKY: Amdt. 39-504 Part 39 Federal Register November 3, 1967. Applies to Type S-55 Heli · 1967-01-01
- one-timeAD 65-08-02 — Airworthiness Directives; Sikorsky Models S-55, S-62, and S-61 Series Helicopters · 1965-01-01
- one-timeAD 56-16-03 — Airworthiness Directives; Sikorsky Models S-55 and S-51 Helicopters · 1956-01-01
This is the applicability list. Which of these are complied with, their computed next-due dates, and the 17 serial/mod-conditional ADs that actually apply to your aircraft come from its digitized logbooks — that’s the verified report.
The records checklist for a Sikorsky S-55
Enter a tail number and Tailplate reads its logbooks against this list — every AD matched to compliance evidence, next-due dates computed, damage history pulled, and a records-adjusted value.
Look up a tail number →or see the free AD listApplicability is derived from the FAA directive corpus and the aircraft’s type certificate; it is advisory and not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.