- Registered owner
- Master Designs LLC
- Location
- Gilbert, AZ
- Owner type
- LLC
- Serial number
- 480
- Year built
- 1952
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Multiple
- Airworthiness date
- October 7, 1961
- Certificate issued
- May 2, 2016
- Expires
- May 31, 2029
- Mode S code
- AAB466
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 |
See all 68 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
NTSB CEN13LA396Accident · No injuriesLimited investigationFinal reportLake Ozark, MOThe improper rebuild and maintenance of the helicopter and inadequate subsequent inspections, which resulted in undetected fuel contamination and a subsequent total loss of engine power during cruise flight.NTSB LAX96FA045Accident · 2 fatalField investigationFinal reportShafter, CAthe pilot misjudged the altitude and ground clearance while performing an unwarranted low altitude flight maneuver.NTSB LAX80FVM17Accident · No injuriesClosedSalinas, CANTSB OAK78FVM46Accident · No injuriesClosedCastroville, CA
FAA incident reports · 4
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Accident 20130628013159ACruise/Level Flight · Lake Ozark, MOPilot stated that during cruise flight at 1500 MSL the engine sputtered. In response he rolled the throttle on and the engine came back on, then seconds later the engine quit completely. Pilot initiated an autorotation and landed in a clearing at 1062 susan…Accident 19951112036359AShafter, CADeparted to spray water over trees to rinse system. Crashed and burned. Had unauthorized passenger on board.Accident 19800309005569ALow Level Operations · Salinas, CALost cyclic control on swath turn. Made hard landing. Broken horn rotor hub grip possible cause.Accident 19780917028729ATo Vertical (Helicopter Only) · Castroville, CACollective pitch became uncontrollable. Main rotor shaft and retai nut scuffed and out of round
Service difficulty reports
No reports matched to N78900General 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 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 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,