- Registered owner
- Douglas Helicopter Inc
- Location
- Douglas, GA
- Owner type
- Corporation
- Serial number
- 900
- Year built
- 1959
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Multiple
- Airworthiness date
- February 24, 1970
- Certificate issued
- July 31, 2020
- Expires
- July 31, 2027
- Mode S code
- A42232
Bell-Allied Helicopter 47D1TCDS H-1Airframe · Bell-Allied Helicopter 47D1TCDS E-244Engine · Franklin 6V4 series
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Franklin 6V4 model are included below.
On this page
Airworthiness directives that may apply · 65
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1960 | 1 |
|---|---|
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1970 | 3 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Airframe · Bell-Allied Helicopter 47D1
AD 2023-11-07Ground Proximity SystemAD 2009-12-01Main rotor blade box beam clip (clip)AD 2005-21-04Weld assembly scissors bracketInformation bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N3657FMatched 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 Bell-Allied Helicopter 47D1 aircraft
FAA incident reports
No FAA accident or incident reports matched to N3657FMatched 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 Bell-Allied Helicopter 47D1 aircraft
Service difficulty reports
No reports matched to N3657FGeneral 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 Bell-Allied Helicopter 47D1 aircraft
STCs that may be installed · 126
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Bell-Allied Helicopter 47D1
STC SA800EAInstallation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power suppliesSTC SA5581SWInstallation of ALCOR true-flow/ totalizer systemSTC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,