- Registered owner
- Provost Michael A
- Location
- Jefferson, GA
- Owner type
- Individual
- Serial number
- 55750
- Year built
- 1954
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Multiple
- Airworthiness date
- October 11, 2001
- Certificate issued
- December 11, 2021
- Expires
- December 31, 2028
- Mode S code
- A20AF0
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every AiResearch TSE331 model are included below.
On this page
Airworthiness directives that may apply · 33
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 |
| 1971 | 1 |
| 1973 | 2 |
| 1975 | 2 |
| 1976 | 1 |
| 1980 | 1 |
| 1989 | 1 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 1998 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Airframe · Sikorsky S-55
AD 2023-11-07Ground Proximity SystemAD 66-04-03Main Rotor BladesAD 75-22-12Inflight Power LossInformation bulletins that may apply · 1
Advisory, not mandatory.
Engine · AiResearch TSE331 series
SAIB NE-06-69NTSB 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
STCs that may be installed · 28
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Earlier aircraft with this N-number · 1
This aircraft carried N2300Z before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.