# N520CF: 1998 Eurocopter AS365N3, registration cancelled 2024-07-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 27, 2024
- Status when cancelled: Valid registration
- Airframe: [Eurocopter AS365N3](https://openairdocs.org/model/eurocopter-as365n3) (registry code 8680903)
- Engine: [Turbomeca ARRIEL-2C](https://openairdocs.org/engine/turbomeca-arriel-2c) (registry code 60054)
- Data sheets: [TCDS H10EU](https://openairdocs.org/tcds/H10EU), [TCDS E00054EN](https://openairdocs.org/tcds/E00054EN) (OpenAirDocs)
- Serial number: 6537
- Year built: 1998
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: June 29, 2004
- Certificate issued: January 8, 2004
- Last registry action: July 28, 2023
- Mode S code: A68926
- Owner when cancelled: [Miami Valley Hospital](https://openairdocs.org/faa-owner/MIAMI%20VALLEY%20HOSPITAL)
- Location: [Dayton, OH](https://openairdocs.org/faa-place/OH/Dayton)
- Owner type: Corporation
- Owner's area on the map: 39.7213° N, 84.1880° W: Placed by OpenAirDocs at the center of ZIP code 45409, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N520CF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=520CF
- Page: https://openairdocs.org/deregistered/N520CF-2024-07-27

From the FAA registry file of October 29, 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 Eurocopter AS365N3: https://openairdocs.org/model/eurocopter-as365n3.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 QMLA202109240047](https://openairdocs.org/sdr/QMLA202109240047), Sep 24, 2021: TRANSCEIVER. FAULTED. PILOT SMELLED UNKNOWN FUMES COMING FROM REAR OF AIRCRAFT. WAS COMING IN TO LAND AT MIAMI VALLEY HOSPITAL AND DIFERTED TO MORAINE AIRPARK (OUR MAINTENANCE HANGAR
- [SDR QMLA201202092018](https://openairdocs.org/sdr/QMLA201202092018), Feb 9, 2012: COMPRESSOR. LEAKING. CLIMB OUT FROM A SIMULATED ENGINE FAIL USING THE TRAINING SWITCH IN A SA365. SMOKE AND FUMES IN THE COCKPIT PREDOMINATELY ON COPILOT SIDE. NOTICED THE HEAT LEVE
- [SDR QMLA2011111011108](https://openairdocs.org/sdr/QMLA2011111011108), Nov 10, 2011: FRAME. CRACKED. THE MECHANIC WAS PERFORMING AN AIRWORTHINESS INSP AND FOUND A CRACK ON THE CANOPY FRAME AT THE TOP OF THE PILOTS DOOR OPENING APPROX 5 IN FWD OF THE 14 DEGREE F
- [SDR QMLA2011022511029](https://openairdocs.org/sdr/QMLA2011022511029), Feb 25, 2011: B-NUT. LEAKING. THE PILOT SMELLED FUEL IN THE COCKPIT SHORTLY AFTER TAKEOFF. IMMEDIATELY RETURNED TO THE BASE AND HAD MECHANIC INSPECT THE AIRCRAFT. MECHANIC DID FIND A LOOSE B
- [SDR QMLA201007041025](https://openairdocs.org/sdr/QMLA201007041025), Jul 4, 2010: WINDOW. DEPARTED. DEPARTED, AROUND 0309 LOCAL, HEARD A LOUD BANG. FLT NURSE STATED WE LOST WINDOW. CALLED COMMS CTR & SAID WE WERE ABORTING & LANDING. COMMS CTR INITIATED THE PIA
- [SDR BAQA200700036](https://openairdocs.org/sdr/BAQA200700036), Oct 4, 2007: LINE. BURNED. UPON SHUTDOWN, PILOT SMELLED SMOKE, SAW SMOKE COMING FROM NR1 ENGINE, OPENED COWLING SAW SMALL FIRE ON STARTER GENERATOR, RAN BACK TO COCKPIT ACQUIRED THE HANDH
- [SDR BAQA200700002](https://openairdocs.org/sdr/BAQA200700002), Jan 11, 2007: TURBINE WHEEL. DAMAGED. DURING MAINTENANCE GROUND RUNS, STARTED NR 1 ENGINE AND NR 2 ENGINES TO PERFORM REQUIRED MAINTENANCE CHECKS AFTER INSPECTION OF AIRCRAFT AND ENGINES. SHUTDOWN E
- [SDR BAQA200700003](https://openairdocs.org/sdr/BAQA200700003), Jan 11, 2007: TURBINE WHEEL. DAMAGED. DURING MAINTENANCE GROUND RUNS, STARTED NR 1 ENGINE AND NR 2 ENGINES TO PERFORM REQUIRED MAINTENANCE CHECKS AFTER INSPECTION OF AIRCRAFT AND ENGINES. SHUTDOWN E

## NTSB investigations (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA22LA334](https://openairdocs.org/ntsb/ERA22LA334), Jul 26, 2022: Eurocopter AS365 (N520CF), Hamilton, OH, substantial damage. Probable cause: The pilot’s decision to continue the landing without having visually identified wires that were known to be in the vicinity of the landing zone, which resulted in a collision with the wires while…
- [NTSB CEN10IA372](https://openairdocs.org/ntsb/CEN10IA372), Jul 4, 2010: Eurocopter AS365N3 (N520CF), Dayton, OH, incident, minor damage. Probable cause: The unintentional movement of the jettison handle in-flight due to the pilot’s dropping of a manual that impacted the handle and released the door window, which then impacted the horizontal…

## FAA accident and incident reports (3)

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.

- [Accident 20220726020089A](https://openairdocs.org/incident/20220726020089A), Jul 26, 2022: Eurocopter AS365N3 (N520CF), Hamilton, OH, Destroyed. On 7/26/2022 at 0435, [privacy data omitted] Eurocopter AS365N3, while responding to an ems/haa call, the pilot struck high tension wires during approach to…
- [Incident 20140709010719I](https://openairdocs.org/incident/20140709010719I), Jul 9, 2014: Eurocopter AS365N3 (N520CF), Moraine, OH, Minor damage. The helicopter was in a hover at night when the pilot noticed the helicopter in a slow rearward drift. When the pilot started to adjust for the drift the tail…
- [Incident 20100704038179I](https://openairdocs.org/incident/20100704038179I), Jul 4, 2010: Eurocopter AS365N3 (N520CF), Dayton, OH, Minor damage. During cruise flight at 2000 feet, the upper front corner of the emergency egress door was dislodged, the airstream caught door and bent the top half down to…

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