N556D is not currently registered. It was last assigned to a Kaman HH-43B built in 1959. The FAA cancelled the registration on September 30, 2014. The last status on file was "registration expired, pending cancellation".
Kaman HH-43B cancelled September 30, 2014
- Serial number
- 37
- Type
- Rotorcraft · Turboshaft
- Year built
- 1959
- Last status
- Registration expired, pending cancellation
- Certificate issued
- January 10, 1991
- Last FAA action
- August 29, 2012
- Last owner
- Jorgenson Gary N (Individual)
Ovando, MT - Airworthiness
- Restricted · Agriculture and pest control; Forest; Other
NTSB accident and incident record under N556D
Aircraft on the NTSB record: Kaman HH-43B · serial 59-1556
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 mountainous/hilly and unsuitable terrain conditions.
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site