# N6635Q: Hughes 500C

- Status: Valid registration
- Airframe: [Hughes 500C](https://openairdocs.org/model/hughes-500c) (registry code 4470805, 6 seats)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (MD Helicopters LLC) (OpenAirDocs)
- Serial number: 440589S
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Certificate issued: August 2, 2021
- Expires: August 31, 2028
- Mode S code: A8C274
- Registered owner: [Tre Aviation Corp](https://openairdocs.org/faa-owner/TRE%20AVIATION%20CORP)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.8187° N, 75.5062° W: Placed by OpenAirDocs at the center of ZIP code 19810, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6635Q
- Page: https://openairdocs.org/aircraft/N6635Q

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): 0 in force

### Matched by airframe (Hughes 500C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N6635Q.

## FAA accident and incident reports

None matched to N6635Q.

## 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)

None matched to this aircraft's models.

## Earlier aircraft with N6635Q

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N6635Q before.

- [Cancelled 1985-06-07](https://openairdocs.org/deregistered/N6635Q-1985-06-07): Grumman G-164A, S/N 1691. Exported to Mexico. Owner: [Lyon Flying Service Inc](https://openairdocs.org/faa-owner/LYON%20FLYING%20SERVICE%20INC), [Welsh, LA](https://openairdocs.org/faa-place/LA/Welsh)

## Related

- Other Hughes 500C aircraft: https://openairdocs.org/model/hughes-500c/aircraft.md

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