# Accident 19950909028199A: Bell 230, Ann Arbor, MI, September 9, 1995

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 9, 1995, 12:17 local time
- Place: Ann Arbor, MI
- Airport: Ann Arbor Municipal Airport
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Operator: BAQA
- Location: 42.2205° N, 83.7294° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.2205&lon=-83.7294&mi=10
- Aircraft: N232UM (not matched to a registry record)
- Reported make and model: BELL 230
- Reported engine: ALLSN 250C30P
- People aboard: 3
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI95FA320](https://openairdocs.org/ntsb/CHI95FA320) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19950909028199A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

AT CRUISE LOST TAIL ROTOR SYSTEM. LANDED SAFE. LOST BLADE DUE FATIGUE CRACKS. IMPROPERLY MANUFACTURED BLADES. (-23) TAIL ROTOR BLADE P/N 222-016-001-111 FAILED INFLIGHT CAUSING LOSS OF TAIL ROTOR GEAR BOX, TAIL ROTOR ASSEMBLY, TAIL ROTOR ATTACHMENT FITTING AND TAIL ROTOR DRIVE SHAFTS. PILOT EXECUTED EMERGENCY LANDING ON ANN ARBOR AIRPORT WITHOUT CAUSING ADDITIONAL DAMAGE. THERE WERE ON INJURIES.

## The NTSB's investigation of this event (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 CHI95FA320](https://openairdocs.org/ntsb/CHI95FA320), Sep 9, 1995: Bell 230 (N232UM), Ann Arbor, MI, substantial damage. Probable cause: the manufacturer's inadequate quality control which led to a fatigue failure of the tail rotor blade.

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. For accidents, the NTSB's own investigation is the fuller record.

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