- Registered owner
- Air Methods LLC
- Location
- Greenwood Village, CO
- Owner type
- LLC
- Serial number
- 53181
- Year built
- 1997
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, normal
- Airworthiness date
- September 15, 1997
- Certificate issued
- January 31, 2022
- Expires
- January 31, 2029
- Mode S code
- A4C7A9
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Allison 250-C47 model are included below.
On this page
Airworthiness directives that may apply · 49
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1982 | 1 |
|---|---|
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 4 |
| 2000 | 6 |
| 2001 | 4 |
| 2002 | 5 |
| 2003 | 4 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 4 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 2 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
See all 72 ADs
Information bulletins that may apply · 8
Advisory, not mandatory.
Historical bulletins · 2
NTSB investigations
No NTSB investigations matched to N407LNMatched 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 407 aircraft
FAA incident reports
No FAA accident or incident reports matched to N407LNMatched 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 407 aircraft
Service difficulty reports · 6
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR QMLA2021071920038Unknown · odorAT 1300 FT IN CRUISE FLIGHT, CLINICAL CREW REPORTED ELECTRICAL SMELL IN CABIN AREA. PILOT TURNED EN-ROUTE BACK TO BASE. PILOT TURNED OFF A/C AND BLOWER, THE SMELL DIMINISHED AND WENT AWAY. WHEN THE A/C SYSTEM WAS TURNED BACK ON THE SMELL RETURNED. LANDED, SHUSDR QMLA2018012918011Engine · making metalEN ROUTE TO BASE, THE ENGINE CHIP LIGHT ILLUMINATED. LANDED. MAINTENANCE PULLED THE MAGNETIC PLUGS FROM ENGINE AND DISCOVERED NUMEROUS SIGNIFICANT FERROUS SLIVERS AND DEBRIS ON BOTH.SDR QMLA2016040716038Throttle Cable · shearedDURING PREFLIGHT AS THE PILOT WAS GOING THROUGH THE CHECKLIST, THE THROTTLE CHECK DID NOT FEEL RIGHT. HE ASKED A MED CREW MEMBER TO TAKE A FLASHLIGHT & LOOK THROUGH THE SCREENS IN THE RT ENG COWLING TO SEE IF HE COULD VIEW ANY MOVEMENT IN THE THROTTLE CABLE ASDR QMLA2013101513145Longeron · crackedFOUND A CRACK IN LONGERON ON TAILBOOM.SDR QMLA2013081513117Engine · making metalWHILE PERFORMING 25 HOUR INSPECTION OF ENGINE MAGNETIC CHIP DETECTORS IAW EO 13-7900-EO-432 IAW CEB-A-72-6075, REV 1. METAL FLAKES CONSISTING OF MORE THAN 10 PIECES EACH WERE DISCOVERED ON BOTH UPPER AND LOWER CHIP DETECTORS. ACFT WAS GROUNDED AT THAT TIME ASDR QML2011102000002Frame · crackedDURING INSP OF THE TAILBOOM AND ATTACH POINT, CRACKING WAS NOTED IN THE UPPER STARBOARD ATTACH BOLT HOLE OF THE TAILBOOM ATTACH FRAME, PN 206-032-308-121, LOCATED AT STA 231.472. AXIAL STRESS EXERTED AT THIS LOCATION BY TAILBOOM FLEX, OVERTIME, CAUSES WEAKENI
STCs that may be installed · 327
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 327 STCs