- Registered owner
- Monarch Enterprises Inc
- Location
- Kirkland, WA
- Owner type
- Corporation
- Serial number
- 45505
- Year built
- 1980
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, normal
- Airworthiness date
- September 9, 1980
- Certificate issued
- April 20, 1992
- Expires
- March 31, 2030
- Mode S code
- A760F2
Bell Helicopter Textron 206L-1TCDS H2SWAirframe · Bell Helicopter Textron 206L-1Engine modelAllison 250 SER 250HP
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 64
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1980 | 3 |
|---|---|
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 2 |
| 1991 | 4 |
| 1992 | 2 |
| 1994 | 3 |
| 1995 | 3 |
| 1996 | 2 |
| 1999 | 2 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 1 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
Airframe · Bell Helicopter Textron 206L-1
AD 2024-20-07Emergency Equipment; Emergency Flotation SectionAD 2023-11-07Ground Proximity SystemAD 2023-06-05Tail Rotor Drive ShaftInformation bulletins that may apply · 7
Advisory, not mandatory.
Airframe · Bell Helicopter Textron 206L-1
SAIB SW-19-05Tail Rotor Drive System, Spline DamageSAIB SW-18-02Loss of Hardware Tail Rotor Drive Shaft CouplingsSAIB SW-12-45Garmin Model 400W/500W Series GPS-WAAS Navigation SystemSAIB SW-10-42R1Emergency Float KitsSAIB SW-08-42Emergency Float with Liferaft Kits (kits)SAIB SW-05-24SAIB SW-04-92Historical bulletins · 1
NTSB investigations
No NTSB investigations matched to N57491Matched 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 Helicopter Textron 206L-1 aircraft
FAA incident reports
No FAA accident or incident reports matched to N57491Matched 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 Helicopter Textron 206L-1 aircraft
Service difficulty reports · 3
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 2018FA0000195Tach Generator · failedPILOT REPORTED THAT DURING CRUISE FLIGHT, THE ENG OUT LIGHT ILLUMINATE. AFTER A CHECK OF THE GAGES THERE WHERE NO OTHER INDICATIONS OF A ENGINE FAILURE. SHORTLY AFTER ANOTHER CHECK OF THE GAGES THE N1 GAGE READ 0. I SUSPECTED A GAGE MALFUNCTION AND INITIATED SDR PG9R2015FA0000553Structure · crackedACFT WAS IN THE PROCESS OF A DAILY PREFLIGHT, DURING THE PREFLIGHT THE PILOT FOUND A CRACK ON THE TAILBOOM. THE CRACK WAS VALIDATED, IT IS 118.6250" AFT FROM THE TAILBOOM TO AIRFRAME ATTACHMENT BULKHEAD. THE LENGTH OF THE CRACK IS 1.6250". IT ORIIGINATES UNSDR GCHA9518Transmission · bearing failedDURING FLIGHT A/C REGISTERED TRANSMISSION CHIP LIGHT. PERFORMED AN UNSCHEDULED LANDING . IT WAS FOUND TO HAVE , METAL IN OIL, DUE TO DUPLEX BEARING FAILURE. ACTT 7243.3. REMOVED AND REPLACED TRANSMISSION BMC 00503 WITH S/N BMC 45364.
STCs that may be installed · 459
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.