# N138HH: 1985 Messerschmitt-Bolkow-Blohm BK 117 A-4, registration cancelled 2019-03-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 21, 2019
- Status when cancelled: Valid registration
- Airframe: [Messerschmitt-Bolkow-Blohm BK 117 A-4](https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-a-4) (registry code 5626017)
- Engine: [Lycoming LTS-101 series](https://openairdocs.org/engine/lycoming-lts-101-series) (registry code 41560)
- Data sheets: [TCDS H13EU](https://openairdocs.org/tcds/H13EU), [TCDS E5NE](https://openairdocs.org/tcds/E5NE) (OpenAirDocs)
- Serial number: 7060
- Year built: 1985
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: August 31, 1993
- Certificate issued: June 4, 1996
- Last registry action: March 7, 2017
- Mode S code: A099A0
- Owner when cancelled: [Rocky Mountain Holdings  L L C](https://openairdocs.org/faa-owner/ROCKY%20MOUNTAIN%20HOLDINGS%20%20L%20L%20C)
- Location: [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood)
- Owner type: Corporation
- Owner's area on the map: 39.5732° N, 104.8649° W: Placed by OpenAirDocs at the center of ZIP code 80112, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N138HH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=138HH
- Page: https://openairdocs.org/deregistered/N138HH-2019-03-21

From the FAA registry file of November 7, 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-Bolkow-Blohm BK 117 A-4: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-a-4.md

## Service difficulty reports (3)

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

- [SDR QMLA2014030514023](https://openairdocs.org/sdr/QMLA2014030514023), Mar 5, 2014: FLOOR PANEL. FAILED. UPON INSPECTION DISCOVERED PILOT'S THRUST REVERSER PEDAL BELL CRANK ASSEMBLY SEPARATED FROM THE FLOOR PANEL IN THE AREA OF THE FWD ATTACH BOLTS DUE TO FATIGUE O
- [SDR QMLA2013070513091](https://openairdocs.org/sdr/QMLA2013070513091), Jul 5, 2013: BLADE. DENTED. DURING DAILY AIRWORTHINESS CHECK, NOTICED A DENT TO THE L/E ERROSION STRIP ON TAIL ROTOR BLADE. ACFT TAKEN OUT OF SERVICE. DETERMINED TAIL ROTOR BLADE TO BE UNS
- [SDR QMLA010208001](https://openairdocs.org/sdr/QMLA010208001), Jan 2, 2008: UNKNOWN. ODOR. SHORTLY AFTER TAKEOFF, MED CREW SAID THEY COULD DETECT A FUEL TYPE ODOR THAT WAS FAIRLY STRONG. THE PILOT ABORTED THE FLIGHT AND LANDED AT DEPARTURE. AIRCRAFT W

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