# N549SW: Hughes 500D, registration cancelled 1996-03-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 12, 1996
- Status when cancelled: Valid registration
- Airframe: [Hughes 500D](https://openairdocs.org/model/hughes-500d) (registry code 4470806)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (OpenAirDocs)
- Serial number: 800754
- Type of aircraft: Rotorcraft
- Certificate issued: October 25, 1993
- Last registry action: February 27, 1996
- Mode S code: A6FB00
- Owner when cancelled: [Silver Bay Logging Inc](https://openairdocs.org/faa-owner/SILVER%20BAY%20LOGGING%20INC)
- Location: [Juneau, AK](https://openairdocs.org/faa-place/AK/Juneau)
- Owner type: Corporation
- Owner's area on the map: 58.4878° N, 135.4845° W: Placed by OpenAirDocs at the center of ZIP code 99850, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N549SW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=549SW
- Page: https://openairdocs.org/deregistered/N549SW-1996-03-12

From the FAA registry file of October 28, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Hughes 500D: https://openairdocs.org/model/hughes-500d.md

## 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 ANC95LA075](https://openairdocs.org/ntsb/ANC95LA075), Jun 12, 1995: Hughes 500D (N549SW), Ketchikan, AK, substantial damage. Probable cause: AN AIR LEAK AT A 'B' NUT FITTING ON A PNEUMATIC PC TUBE TO THE POWER TURBINE GOVERNOR. COMPANY MAINTENANCE PERSONNEL DID NOT DETECT A LEAK AFTER PERFORMING MAINTENANCE ON THE GOVERNER AND P2 AIR LINE.

## 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 19950612017399A](https://openairdocs.org/incident/19950612017399A), Jun 12, 1995: Hughes 369D (N549SW), Kethcikan, AK, Substantial damage. Lost power, autorotated to hard landing in gravel pit. Severed tailbom. Air leak pc line b nut caused flameout.

---
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.