# N4069R: 1964 Kaman HH-43 B/F

- Status: Valid registration
- Airframe: [Kaman HH-43 B/F](https://openairdocs.org/model/kaman-hh-43-b-f) (registry code 4800705, 12 seats)
- Engine: [Honeywell T5309B](https://openairdocs.org/engine/honeywell-t5309b) (registry code 33912)
- Data sheets: [TCDS E1EA](https://openairdocs.org/tcds/E1EA) (Ozark Aeroworks LLC) (OpenAirDocs)
- Serial number: 64-17558
- Year built: 1964
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 15, 2012
- Certificate issued: November 27, 2006
- Expires: October 31, 2028
- Mode S code: A4C68E
- Registered owner: [Olympic Jet Inc](https://openairdocs.org/faa-owner/OLYMPIC%20JET%20INC)
- Location: [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia)
- Owner type: Corporation
- Owner's area on the map: 46.9785° N, 122.8759° W: Placed by OpenAirDocs at the center of ZIP code 98501, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4069R
- Page: https://openairdocs.org/aircraft/N4069R

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Kaman HH-43 B/F)

None in force.

### Matched by engine (Honeywell T5309B)

- [AD 2002-09-09](https://openairdocs.org/ad/2002-09-09): Centrifugal Compressor Impeller · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 10 more. Effective Jun 13, 2002
- [AD 77-17-08](https://openairdocs.org/ad/77-17-08): Fuel Regulator P1 Multiplier Lever · Honeywell International T53-L-703, T5307A, T5309A and 7 more. Effective Mar 30, 1978
- [AD 75-22-02](https://openairdocs.org/ad/75-22-02): Secondary Failure N2 Accessory Drive Shaft · Honeywell International T5307A, T5309A, T5309B and 6 more. Effective Oct 29, 1975

## Information bulletins (advisory)

None matched.

## NTSB investigations (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 SEA96LA219](https://openairdocs.org/ntsb/SEA96LA219), Sep 23, 1996: Kaman HH-43 B/F (N4069R), Troy, MT, substantial damage. Probable cause: failure of the freewheeling sprag unit bearings for undetermined reasons.

## FAA accident and incident reports (1)

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 19960923029669A](https://openairdocs.org/incident/19960923029669A), Sep 23, 1996: Kaman HH43BF (N4069R), Troy, MT, Substantial damage. External load repositioning flight needles split. Lost altitude. Rotor decay. Impacted. Sprague clutch failed.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Honeywell T5309B)

- [STC SE00028EN](https://openairdocs.org/stc/SE00028EN): Installation of Pratt & Whitney Engine Services Inc. SmartCycle Plus Engine Monitoring System, P/N EMU-K-010-1 on specified T53 engine models. Pratt & Whitney Engine Services Inc

## Earlier aircraft with N4069R

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4069R before.

- [Cancelled 1990-07-18](https://openairdocs.org/deregistered/N4069R-1990-07-18): Piper PA-32-300, S/N 3240378. N-number assigned, not yet registered

## Related

- Other Kaman HH-43 B/F aircraft: https://openairdocs.org/model/kaman-hh-43-b-f/aircraft.md
- The Honeywell T5309B engine: https://openairdocs.org/engine/honeywell-t5309b.md

---
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.