- Registered owner
- Sierra Aeronautics LLC
- Location
- Franklin, KY
- Owner type
- LLC
- Serial number
- 55237
- Year built
- 1955
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Multiple
- Airworthiness date
- March 21, 1979
- Certificate issued
- September 21, 2021
- Expires
- September 30, 2028
- Mode S code
- A2364B
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Wright C7BA model are included below.
On this page
Airworthiness directives that may apply · 19
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1963 | 1 |
|---|---|
| 1965 | 1 |
| 1967 | 2 |
| 1970 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Airframe · Sikorsky S-55B
AD 2023-11-07Ground Proximity SystemAD 66-04-03Main Rotor BladesAD 75-22-12Inflight Power LossInformation bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports
No reports matched to N24111General aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Sikorsky S-55B aircraft
STCs that may be installed · 18
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 18 STCs