- Registered owner
- Coulson Aviation USA Inc
- Location
- Portland, OR
- Owner type
- Corporation
- Serial number
- 61471
- Year built
- 1969
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, transport
- Airworthiness date
- June 1, 1999
- Certificate issued
- November 10, 2021
- Expires
- November 30, 2028
- Mode S code
- A5C6D5
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every GE CT58 model are included below.
On this page
Airworthiness directives that may apply · 53
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1965 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1970 | 3 |
| 1971 | 3 |
| 1972 | 3 |
| 1974 | 2 |
| 1975 | 3 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1983 | 2 |
| 1984 | 2 |
| 1985 | 1 |
| 1987 | 2 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2007 | 1 |
| 2013 | 2 |
| 2015 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2026 | 2 |
See all 56 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N471WRMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Sikorsky S-61N aircraft
FAA incident reports
No FAA accident or incident reports matched to N471WRMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Sikorsky S-61N aircraft
Service difficulty reports
No reports matched to N471WRGeneral 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-61N aircraft
STCs that may be installed · 107
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 107 STCs