# Accident 19891010039549A: Agusta A109A, Lacey Township, NJ, October 10, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 10, 1989, 13:29 local time
- Place: Lacey Township, NJ
- Damage: Destroyed
- Phase of flight: Normal Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: DAGA
- Aircraft: N21FL, a cancelled registration (https://openairdocs.org/deregistered/N21FL-1990-05-14) (OpenAirDocs)
- Registry model: Agusta AGUSTA A109 (registry code 0260109, https://openairdocs.org/model/agusta-agusta-a109) (OpenAirDocs)
- Reported make and model: AGUSTA A109A
- Reported engine: ALLSN 250C20B
- People aboard: 5
- Fatal injuries: 5
- Pilot flight hours: 2,900 total, 100 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB NYC90MA009](https://openairdocs.org/ntsb/NYC90MA009) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19891010039549A

## Narrative

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

MAIN ROTOR BLADE SEPARATED IN FLIGHT. HELICOPTER CAME APART AND CRASHED.

## 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 NYC90MA009](https://openairdocs.org/ntsb/NYC90MA009), Oct 10, 1989: Agusta A109A Mkii (N21FL), Lacey Township, NJ, destroyed, 5 fatal. Probable cause: IN-FLIGHT SEPARATION OF A MAIN ROTOR BLADE DUE TO FATIGUE FAILURE OF THE MAIN ROTOR BLADE SPAR, WHICH ORIGINATED AT A MANUFACTURING INDUCED SCRATCH (TOOL MARK) THAT WAS THE RESULT OF INADEQUATE…

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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