# N405LN: 1981 Bell 412, registration cancelled 2025-06-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 26, 2025
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Bell 412](https://openairdocs.org/model/bell-412) (registry code 1182202)
- Engine: [Pratt & Whitney PT6T-3B](https://openairdocs.org/engine/pratt-whitney-pt6t-3b) (registry code 51522)
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW), [TCDS E22EA](https://openairdocs.org/tcds/E22EA) (OpenAirDocs)
- Serial number: 33025
- Year built: 1981
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: April 6, 1988
- Certificate issued: June 13, 2012
- Last registry action: December 13, 2024
- Mode S code: A4C03B
- Owner when cancelled: [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC)
- Location: [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village)
- Owner type: LLC
- Owner's area on the map: 39.6120° N, 104.8828° W: Placed by OpenAirDocs at the center of ZIP code 80111, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N405LN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=405LN
- Page: https://openairdocs.org/deregistered/N405LN-2025-06-26

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Bell 412: https://openairdocs.org/model/bell-412.md

## Service difficulty reports (8)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR QMLA2019040279034](https://openairdocs.org/sdr/QMLA2019040279034), Mar 27, 2019: PANEL. DELAMINATED. R/H TAILBOOM PANEL P/N 205 032 811 077 OUTER SKIN DELAMINATED APPROX. 24” X 3.5” BETWEEN BOOM STATIONS 77-101 WL 72.L/H TAILBOOM PANEL P/N H205 032 813 67 OUTER
- [SDR QMLA2016032216027](https://openairdocs.org/sdr/QMLA2016032216027), Mar 22, 2016: SKIN. CRACKED. AT SHIFT CHANGE, DURING PRE-FLIGHT OF ACFT NOTED A CRACK IN SKIN ON RT SIDE OF VERTICAL FIN IN THE SHAPE OF A BACKWARD C OF ABOUT 5 INCHES, AFTER MEASUREMENT PO
- [SDR QMLDMR0255](https://openairdocs.org/sdr/QMLDMR0255), Dec 2, 2010: MOUNT. CRACKED. CRACK IN OIL COOLER MOUNT FRAME, BRACKET AND DOUBLER THAT HAD BEEN PREVIOUSLY INSTALLED.
- [SDR QMLDMR0254](https://openairdocs.org/sdr/QMLDMR0254), Oct 26, 2010: SKIN. CRACKED. CRACK IN TAIL BOOM SKIN AND DOUBLER AT RT TAIL ROTOR FLOOD LIGHT. TAIL ROTOR FLOOD LIGHTS WERE INSTALLED ON FAA FORM 337, DATED 6 APRIL 1988.
- [SDR QMLDMR0253](https://openairdocs.org/sdr/QMLDMR0253), Oct 22, 2010: BULKHEAD. CRACKED. TAILBOOM BULKHEAD AT BOOM STA 164.23 CRACKED AT LOWER RT STR, LOWER RT LONGERON (2), LOWER LT LONGERON (2)AND UPPER LT LONGERON.
- [SDR QMLDMR0252](https://openairdocs.org/sdr/QMLDMR0252), Oct 22, 2010: RIB. CRACKED. TAILBOOM RIB AT BOOM STA 138 CRACKED 1.05" AT TOP.
- [SDR QMLDMR0251](https://openairdocs.org/sdr/QMLDMR0251), Oct 22, 2010: BULKHEAD. CRACKED. TAILBOOM BULKHEAD AT BOOM STA 122.33 CRACKED AT INTERSECTIONS OF RT STRINGERS (2) AND LT LOWER LONGERON.
- [SDR QML2008F00018](https://openairdocs.org/sdr/QML2008F00018), Oct 4, 2008: LINE. LEAKING. RECEIVED A MASTER CAUTION LIGHT WITH AN ASSOCIATED HYD CAUTION LIGHT. NR 2 HYD PRESSURE GAUGE INDICATED 0 PRESSURE. REFERRED TO CHECKLIST AND MANEUVERED ACFT FO

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20150922019189I](https://openairdocs.org/incident/20150922019189I), Sep 22, 2015: Bell 412 (N405LN), Hesperia, CA, Minor damage. Maintenance was performed on the main rotor system. Soon after, the aircraft departed L26 flew to fullerton CA. And returned to L26. Post flight inspection…

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