# N105MH: 1980 Messerschmitt-Boelkow-Blohm BO-105S, registration cancelled 2021-10-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 25, 2021
- Status when cancelled: Sale reported, canceled
- Airframe: [Messerschmitt-Boelkow-Blohm BO-105S](https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s) (registry code 5626006)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU) (OpenAirDocs)
- Serial number: S-419
- Year built: 1980
- Type of aircraft: Rotorcraft
- Airworthiness: Standard, normal
- Airworthiness date: February 8, 1980
- Last registry action: January 20, 2021
- Mode S code: A01862
- Location: [Damascus, OR](https://openairdocs.org/faa-place/OR/Damascus)
- Owner type: Individual
- Owner's area on the map: 45.4264° N, 122.4430° W: Placed by OpenAirDocs at the center of ZIP code 97089, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N105MH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=105MH
- Page: https://openairdocs.org/deregistered/N105MH-2021-10-25

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 Messerschmitt-Boelkow-Blohm BO-105S: https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s.md

## Service difficulty reports (4)

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

- [SDR M7F2001F00000](https://openairdocs.org/sdr/M7F2001F00000), Dec 14, 2001: SEARCH LIGHT. MISSING. BULB ASSEMBLY IS ATTACHED TO SEARCH LIGHT ASSEMBLY BY TWO SET SCREWS TIGHTENED INTO A POST. APPEARS THAT SET SCREWS LOST TENSION ON POST AND BULB ASSEMBLY SLID 
- [SDR 20000622SH005](https://openairdocs.org/sdr/20000622SH005), Nov 22, 1999: LINE. LOOSE. NR 2 ENGINE DECELERATED DURING FLIGHT. ENGINE WAS SHUT DOWN AND A SINGLE ENGINE LANDING WAS MADE. UPON INVESTIGATION BY MAINTENANCE, THE PR LINE AT THE GOVERNOR
- [SDR 95ZZZX6480](https://openairdocs.org/sdr/95ZZZX6480), Oct 11, 1995: GYRO. MALFUNCTION. GYRO SHOWS LEFT BANK ON LEVEL GROUND AND IN LEVEL FLIGHT.
- [SDR 95ZZZX5048](https://openairdocs.org/sdr/95ZZZX5048), Jul 27, 1995: LORAN. FAILED. LORAN WILL NOT POWER UP AT INITIAL INSTALLATION.

## 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 19990814019059I](https://openairdocs.org/incident/19990814019059I), Aug 14, 1999: Bolkms BO105S (N105MH), Pompey, NY, Minor damage. (-5)On 8/14/99 helicopter N105MH, piloted by kevin nichols, maneuvring in a medical landing zone, sturck a set of telephone wires damaging both tail rotor…

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