# Accident 20010626017969A: Kaman HH43B, Mullanpass, ID, June 26, 2001

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 26, 2001
- Place: Mullanpass, ID
- Damage: No damage
- Operating rules: Rotorcraft external load (Part 133)
- Operator: PZ7L
- Location: 47.4592° N, 115.7402° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=47.4592&lon=-115.7402&mi=10
- Aircraft: N556D, a cancelled registration (https://openairdocs.org/deregistered/N556D-2014-09-30) (OpenAirDocs)
- Registry model: Kaman HH-43B (registry code 4800704, https://openairdocs.org/model/kaman-hh-43b) (OpenAirDocs)
- Registry engine: Lycoming T53-L-13 (registry code 41551, https://openairdocs.org/engine/lycoming-t53-l-13) (OpenAirDocs)
- Reported make and model: KAMAN HH43B
- NTSB investigation: [NTSB SEA01LA121](https://openairdocs.org/ntsb/SEA01LA121) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20010626017969A

## Narrative

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

(-23) HELICOPTER WAS AT HOVER WITH "LONG-LINE" ATTEMPTING TO LIFT LOGS. A LOUD "BANG" WAS HEAR/FELT, THE HELICOPTER LOST POWER AND BEGAN A DESCENT. PILOT INSTINCTIVELY AIMED FOR SOME SNAGS. AIRCRAFT MADE HARD LANDING INVOLVING SNAGS. MAIN ROTOR BLADES SEPARATED FROM THE AIRFRAME. PILOT SAID ENGINE HAD ALMOST QUIT TURNING BY THE TIME HE HIT THE GROUND. THERE WAS NO POST IMPACT FIRE. PILOT WAS EXAMINED AND RELEASED FROM LOCAL HOSPITAL SAME DAY.

## 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 SEA01LA121](https://openairdocs.org/ntsb/SEA01LA121), Jun 26, 2001: Kaman HH-43B (N556D), Mullan, ID, substantial damage. Probable cause: The development of multiple fatigue cracks which ultimately resulted in the fracture of the 1st stage gas producer turbine rotor sealing disc. Factors contributing to 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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