- Registered owner
- Northwest Helicopters Inc
- Location
- Olympia, WA
- Owner type
- Corporation
- Serial number
- 63-08765
- Year built
- 1963
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Experimental, exhibition
- Airworthiness date
- July 2, 1997
- Certificate issued
- September 17, 2007
- Expires
- August 31, 2028
- Mode S code
- A3520F
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming T-53 model are included below.
On this page
Airworthiness directives that may apply · 43
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1971 | 1 |
|---|---|
| 1974 | 2 |
| 1975 | 3 |
| 1978 | 1 |
| 1980 | 1 |
| 1987 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2002 | 6 |
| 2006 | 3 |
| 2009 | 1 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2021 | 2 |
| 2022 | 6 |
| 2024 | 1 |
See all 48 ADs
Information bulletins that may apply · 2
Advisory, not mandatory.
Historical bulletins · 1
NTSB investigations
No NTSB investigations matched to N313BMatched 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 UH-1H aircraft
FAA incident reports
No FAA accident or incident reports matched to N313BMatched 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 UH-1H aircraft
Service difficulty reports
No reports matched to N313BGeneral 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 UH-1H aircraft
STCs that may be installed · 4
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Lycoming T-53 series
STC SE00585ATInstallation of Aeronautical Accessories, Inc. PC Safety Valve Kit.STC SE00028ENInstallation of Pratt & Whitney Engine Services Inc. SmartCycle Plus Engine Monitoring System, P/N EMU-K-010-1 on specified T53 engine models.STC SE00029ENInstallation of Pratt & Whitney Engine Services Inc. SmartCycle Plus Engine Monitoring System, P/N EMU-K-010-1 on specific T53 engine models.STC SE01440NYConversion of Honeywell engine model T5313B to Honeywell engine model T5317A utilizing Aero Design, Ltd. conversion instructions C1437.02 dtd 4/30/01.
Earlier aircraft with this N-number · 1
This aircraft carried N313B before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.