# Accident 19920818035699A: Mtsbsi MU2B60, Philadelphia, PA, August 18, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 18, 1992, 05:58 local time
- Place: Philadelphia, PA
- Airport: Northeast Philadelphia
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: ESMA
- Location: 40.0705° N, 75.0008° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.0705&lon=-75.0008&mi=10
- Aircraft: N66LA (not matched to a registry record)
- Reported make and model: MTSBSI MU2B60
- Reported engine: GARRTT TPE33110
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 17,883 total, 2,900 in this make and model, 209 in the last 90 days
- NTSB investigation: [NTSB NYC92LA166](https://openairdocs.org/ntsb/NYC92LA166) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920818035699A

## Narrative

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

PROPELLER BLADE LEFT ENGINE SEPARATED. STRUCK CABIN. CUT ALL ELECTRIC LINES, LANDED GEAR UP. FATIGUE CRACKS EXISTED

## 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 NYC92LA166](https://openairdocs.org/ntsb/NYC92LA166), Aug 18, 1992: Mitsubishi MU-2-60 (N66LA), Philadelphia, PA, substantial damage. Probable cause: THE IN-FLIGHT SEPARATION OF A PROPELLER BLADE AS A RESULT OF FATIGUE CRACKING INITIATED FROM MULTIPLE SITES LOCATED AT CORROSION PITS IN THE BALANCING HOLE. CONTRIBUTING FACTORS IN THE ACCIDENT WERE:…

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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