# Kaman HH-43F - Type: Aircraft model (FAA registry) - Registry code: 4800708 - Manufacturer (registry): KAMAN - Model: HH-43F - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Turbo-shaft - Seats: 2 - Weight class: Up to 12,499 lb - Cruise speed: 90 mph - Certification: Not type certificated - Data sheet: [TCDS H1NW](https://openairdocs.org/tcds/H1NW) (OpenAirDocs) - Holder: Horizon Helicopters - Registered aircraft: 0 - Page: https://openairdocs.org/model/kaman-hh-43f 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 (8) 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 SEA06LA162](https://openairdocs.org/ntsb/SEA06LA162), Aug 18, 2006: Kaman HH-43F (N559D), Metaline Falls, WA, destroyed, 1 fatal. Probable cause: The failure of the left-hand cross-shaft input internal spline while the helicopter was in a hover, which resulted in the loss of gear box timing, in-flight blade contact and separation, and the… - [NTSB LAX99FA317](https://openairdocs.org/ntsb/LAX99FA317), Sep 25, 1999: Kaman HH-43F (N100PL), Phoenix, AZ, destroyed, 2 fatal. Probable cause: Failure of the horizontal stabilizer left outboard forward attach point because of a previously existing crack that resulted from inadequate maintenance inspection by the operator. A factor was the… - [NTSB LAX95LA075](https://openairdocs.org/ntsb/LAX95LA075), Jan 10, 1995: Kaman HH43 (N321WN), Glendale, AZ, substantial damage. Probable cause: The pilot's failure to maintain an adequate visual lookout to avoid a collision with a tree during an aerial application swath run. - [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. - [NTSB ATL93LA033](https://openairdocs.org/ntsb/ATL93LA033), Dec 11, 1992: Kaman HH43F (N100PL), Columbia, SC, substantial damage. Probable cause: THE DETERIORATION OF THE ENGINE FUEL SHUTOFF SOLENOID VALVE WHICH FAILED IN THE CLOSED POSITION. - [NTSB ATL92LA075](https://openairdocs.org/ntsb/ATL92LA075), Apr 9, 1992: Kaman HH-43F (N100PL), Manteo, NC, substantial damage. Probable cause: THE PILOT'S IMPROPER USE OF THE FLIGHT CONTROLS, IN THAT HE INADVERTENTLY ACTIVATED THE TAIL ROTOR PEDALS. FACTORS IN THE ACCIDENT WERE THE CROSS WIND, AND THE SLOPE OF THE LANDING AREA. - [NTSB LAX91LA377](https://openairdocs.org/ntsb/LAX91LA377), Aug 31, 1991: Kaman HH43 B/F (N53RH), Coleville, CA, destroyed, 1 fatal. Probable cause: THE FAILURE OF THE PILOT TO ADEQUATELY CALCULATE THE HELICOPTER PERFORMANCE. CONTRIBUTING TO THE ACCIDENT WAS A DELAY IN JETTISONING THE EXTERNAL LOAD; THE PILOT'S OVERCONFIDENCE IN HIS ABILITIES;… - [NTSB MIA83FA183](https://openairdocs.org/ntsb/MIA83FA183), Jul 14, 1983: Kaman H-43B (N57996), Near Clermont, FL, destroyed ## FAA accident and incident reports (9) 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 20060818017679A](https://openairdocs.org/incident/20060818017679A), Aug 18, 2006: Kaman HH43F (N559D), Sullivan Lake, WA, Substantial damage, 1 fatal. (-23) On 08-18-2006, while engaged in logging operations this helicopter and pilot crashed from an altitude of approximately 150 feet onto the log decking… - [Accident 19990925027729A](https://openairdocs.org/incident/19990925027729A), Sep 25, 1999: Kaman HH43F (N100PL), Phoenix, AZ, Destroyed, 2 fatal. (.19) On September 25, 1999, about 0650 hours mountain time, a Kaman HH-43F helicopter, N100PL, was destroyed when it collided with terrain at Phoenix,… - [Incident 19960907033529I](https://openairdocs.org/incident/19960907033529I), Sep 7, 1996: Kaman HH43F (N321WN), Goodyear, AZ, Minor damage. Narrative: on September 7, 1996, N321WN struck some power lines during agricultural application operations. The pilot stated that "as he was executing a… - [Accident 19950109001209A](https://openairdocs.org/incident/19950109001209A), Jan 9, 1995: Kaman HH43F (N321WN), Glendale, AZ, Substantial damage. Rotors struck dead tree branches on last low pass to spray field edges. Damaged rotor blade. Vibration damage. - [Accident 19930512013379A](https://openairdocs.org/incident/19930512013379A), May 12, 1993: Kaman HH43F (N846D), Anatone, WA, Destroyed, 1 fatal. Main rotor drive shaft failed during external load lift. Rotor assembly separated. Load was 800 lbs over load limit - [Accident 19921211050309A](https://openairdocs.org/incident/19921211050309A), Dec 11, 1992: Kaman HH43F (N100PL), Columbia, SC, Substantial damage. Engine spooled down while hooking sling load of logs. Autorotated into trees. Fuel shut off solenoid failed. - [Accident 19920409043079A](https://openairdocs.org/incident/19920409043079A), Apr 9, 1992: Kaman HH43FCHOPPER (N100PL), Manteo, NC, Substantial damage. Attempted hover landing in crosswind. On fifth attempt main rotor blade hit empennage and severed it. - [Accident 19910831037579A](https://openairdocs.org/incident/19910831037579A), Aug 31, 1991: Kaman HH43FCHOPER (N53RH), Coleville, CA, Destroyed, 1 fatal. External load put helicopter 799LBS over gross. Lost control on liftoff. Rotors hit hillside. Altitude a factor. - [Accident 19830714031459A](https://openairdocs.org/incident/19830714031459A), Jul 14, 1983: Kaman HH43FCHOPPER (N57996), Clermont, FL, Destroyed. Report indicates main rotor transmission section separated while in hover flight. Cause of separation not defined. ## STCs that may be installed (OpenAirDocs) (3) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC - [STC SR01547SE](https://openairdocs.org/stc/SR01547SE): Fabrication of Part Number PH774664-113 "Transmission Input shaft Spacer" and PH774682-11 "Flange coupling Transmission Adapter"; Installation of the KAflex Driveshaft System. Horizon Helicopters Inc - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Kaman/De Haan HH 43F](https://openairdocs.org/model/kaman-de-haan-hh-43f): 0 registered aircraft, registry code 4800709 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.