# N230H: Messerschmitt-Bolkow-Blohm BK 117 A-4, registration cancelled 1999-05-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 5, 1999
- Status when cancelled: Triennial form not returned
- Airframe: [Messerschmitt-Bolkow-Blohm BK 117 A-4](https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-a-4) (registry code 5626017)
- Data sheets: [TCDS H13EU](https://openairdocs.org/tcds/H13EU) (OpenAirDocs)
- Serial number: 7136
- Type of aircraft: Rotorcraft
- Certificate issued: March 13, 1996
- Last registry action: March 16, 1999
- Mode S code: A2092F
- Owner when cancelled: [Debis Financial Services Inc](https://openairdocs.org/faa-owner/DEBIS%20FINANCIAL%20SERVICES%20INC)
- Location: [Norwalk, CT](https://openairdocs.org/faa-place/CT/Norwalk)
- Owner type: Non-citizen corporation
- Owner's area on the map: 41.0927° N, 73.4198° W: Placed by OpenAirDocs: center of Norwalk, CT, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N230H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=230H
- Page: https://openairdocs.org/deregistered/N230H-1999-05-05

From the FAA registry file of November 4, 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 (6)

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

- [SDR 97ZZZX4337](https://openairdocs.org/sdr/97ZZZX4337), Sep 25, 1997: FUEL MANIFOLD. LEAK. HIGH PRESSURE LEAK AT BRAZE JOINT. FUEL SPRAYING IN ENGINE COMPARTMENT. SUBMITTER STATED BRAZE JOINT TUBING SHOULD BE REPLACED AT OVERHAUL.
- [SDR 97ZZZX4336](https://openairdocs.org/sdr/97ZZZX4336), Sep 25, 1997: FUEL MANIFOLD. LEAK. PIN HOLE LEAK IN TUBING BETWEEN NOZZLES. HIGH PRESSURE FUEL SPRAYING INTO ENGINE COMPARTMENT. SUBMITTER STATED THE TUBING BETWEEN NOZZLES SHOULD BE REPLACED AT 
- [SDR HEEA955913](https://openairdocs.org/sdr/HEEA955913), Oct 20, 1995: INDICATOR. READS HIGH. GAUGE READS HIGH 8 DEGREES TO 800. UNIT RECEIVED INSTALLED ON AIRCRAFT.
- [SDR HEEA955912](https://openairdocs.org/sdr/HEEA955912), Oct 20, 1995: FILTER HOUSING. DEFECTIVE. BY PASS BUTTON WON'T STAY RESET. RECEIVED INSTALLED ON AIRCRAFT.
- [SDR HEEA955911](https://openairdocs.org/sdr/HEEA955911), Oct 20, 1995: TRANSMITTER. FAILED. TORQUE NEEDLE DROPS TO ZERO.
- [SDR HEEA955910](https://openairdocs.org/sdr/HEEA955910), Oct 20, 1995: INDICATOR. FAILED. MAST MOMENT INDICATOR NEEDLE DROPS TO ZERO.

## NTSB investigations (1)

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 CHI98LA342](https://openairdocs.org/ntsb/CHI98LA342), Aug 28, 1998: MBB BK-117 (N230H), Topeka, KS, substantial damage. Probable cause: the pilot's failure to assure the engine cowling was secured during the aircraft preflight which resulted in the cowling separating from the helicopter and damaging the main rotor and tail rotor…

## 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.

- [Accident 19980828022359A](https://openairdocs.org/incident/19980828022359A), Aug 28, 1998: Bolkms BK117A4 (N230H), Topeka, KS, Substantial damage. Helicopter was on a maintenance test flight when it crashed under unknown circumstances. Upon approach to (foe) tailrotor departed aircraft. Upon investigation…

## Other aircraft with N230H

- [Registered now](https://openairdocs.org/aircraft/N230H): Bell 230, S/N 23019, built 1994
- [Cancelled 1960-04-26](https://openairdocs.org/deregistered/N230H-1960-04-26): Fleet 1, S/N 98. Owner: [Horace Burt Tuttle](https://openairdocs.org/faa-owner/HORACE%20BURT%20TUTTLE), [Cleveland, OH](https://openairdocs.org/faa-place/OH/Cleveland)

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