# Accident 19930512013379A: Kaman HH43F, Anatone, WA, May 12, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 12, 1993, 07:15 local time
- Place: Anatone, WA
- Damage: Destroyed
- Phase of flight: Hovering
- Operating rules: Rotorcraft external load (Part 133)
- Operator: OWVL
- Location: 46.0791° N, 117.2695° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.0791&lon=-117.2695&mi=10
- Aircraft: N846D, a cancelled registration (https://openairdocs.org/deregistered/N846D-1995-12-01) (OpenAirDocs)
- Registry model: Kaman HH-43F (registry code 4800708, https://openairdocs.org/model/kaman-hh-43f) (OpenAirDocs)
- Reported make and model: KAMAN HH43F
- Reported engine: LYC T53L11D
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 18,970 total, 3,051 in this make and model, 344 in the last 90 days
- NTSB investigation: [NTSB SEA93LA105](https://openairdocs.org/ntsb/SEA93LA105) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930512013379A

## Narrative

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

MAIN ROTOR DRIVE SHAFT FAILED DURING EXTERNAL LOAD LIFT. ROTOR ASSEMBLY SEPARATED. LOAD WAS 800 LBS OVER LOAD LIMIT

## 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 SEA93LA105](https://openairdocs.org/ntsb/SEA93LA105), May 12, 1993: Kaman HH-43F (N846D), Anatone, WA, destroyed, 1 fatal. Probable cause: FATIGUE FAILURE OF THE ROTOR TRANSMISSION DRIVE SYSTEM, RESULTING FROM THE IMPROPER CERTIFICATION/APPROVAL OF THE AIRCRAFT MODIFICATION BY THE FEDERAL AVIATION ADMINISTRATION.

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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