# N520HB: Mcdonnell Douglas Helicopter 500N, registration cancelled 2017-11-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 2, 2017
- Exported to: New Zealand
- Status when cancelled: Valid registration
- Airframe: [Mcdonnell Douglas Helicopter 500N](https://openairdocs.org/model/mcdonnell-douglas-helicopter-500n) (registry code 3027374)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (OpenAirDocs)
- Serial number: LN029
- Type of aircraft: Rotorcraft
- Certificate issued: September 7, 2017
- Last registry action: September 7, 2017
- Mode S code: A6899F
- Owner when cancelled: [Fleet Aero LLC](https://openairdocs.org/faa-owner/FLEET%20AERO%20LLC)
- Location: [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne)
- Owner type: Corporation
- Owner's area on the map: 41.1001° N, 104.9249° W: Placed by OpenAirDocs at the center of ZIP code 82001, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N520HB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=520HB
- Page: https://openairdocs.org/deregistered/N520HB-2017-11-02

From the FAA registry file of November 12, 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 Mcdonnell Douglas Helicopter 500N: https://openairdocs.org/model/mcdonnell-douglas-helicopter-500n.md

## Service difficulty reports (2)

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

- [SDR 2006FA0000552](https://openairdocs.org/sdr/2006FA0000552), May 13, 2006: CABLE. BROKEN. PILOT WAS PRACTICING AUTOROTATION AND FELT A CHANGE IN THE PEDALS. AFTER TOUCHDOWN, HE ATTEMPTED TO HOVER BY RAISING THE COLLECTIVE, AND THE HELICOPTER BEGAN TO
- [SDR 2006FA0000509](https://openairdocs.org/sdr/2006FA0000509), May 13, 2006: CABLE. SEVERED. DURING PRACTICE AUTOROTATIONS, PILOT FELT A CHANGE IN THE ANTI-TORQUE PEDALS. AFTER TOUCHDOWN HE ATTEMPTED TO RAISE THE COLLECTIVE AND THE HELICOPTER BEGIN TO S

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