# Timber Choppers KAMAN HH-43B/F

- Type: Aircraft model (FAA registry)
- Registry code: 8940101
- Manufacturer (registry): TIMBER CHOPPERS
- Model: KAMAN HH-43B/F
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/timber-choppers-kaman-hh-43b-f

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (3)

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 SEA01LA173](https://openairdocs.org/ntsb/SEA01LA173), Sep 25, 2001: Kaman HH-43 (N55714), Bonners Ferry, ID, substantial damage, 1 fatal. Probable cause: The pilot's inadequate visual lookout which lead to his failure to maintain clearance from the nearby trees while in a high-hover. Factors include mountainous/hilly terrain, and tall trees in the…
- [NTSB ATL92LA007](https://openairdocs.org/ntsb/ATL92LA007), Oct 14, 1991: Kaman HH-43B/F (N55714), Mt. Vernon, AL, substantial damage. Probable cause: A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS. A FACTOR IN THE ACCIDENT WAS THE LACK OF A SUITABLE LANDING SITE.
- [NTSB SEA88LA123](https://openairdocs.org/ntsb/SEA88LA123), Jul 5, 1988: Kaman HH43 (N55714), Joseph, OR, destroyed

## FAA accident and incident reports (3)

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.

- [Accident 20010925027129A](https://openairdocs.org/incident/20010925027129A), Sep 25, 2001: N55714, Bonnersferry, ID, No damage. (-23) The pilot was conducting a part 133 heli-logging operation using a 175' foot long to lift logs. As stated by the witnesses on the ground, the load was…
- [Accident 19911014046499A](https://openairdocs.org/incident/19911014046499A), Oct 14, 1991: Kaman HH43BFCHOPER (N55714), Mt Vernon, AL, Substantial damage. Reported uncommanded power reduction to flight idle. Forced landed in lake. No cause for reported problem found.
- [Accident 19880705025639A](https://openairdocs.org/incident/19880705025639A), Jul 5, 1988: Kaman HH43BFCHOPER (N55714), Joseph, OR, Destroyed. Main rotors struck a tree while long line was being hooked to a log. Helicopter fell to the ground.

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