# N4796U: Grumman HU-16

- Status: Valid registration
- Airframe: [Grumman HU-16](https://openairdocs.org/model/grumman-hu-16) (registry code 3950405, 5 seats)
- Serial number: 137915
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Certificate issued: September 18, 2008
- Expires: May 31, 2028
- Mode S code: A5E5C6
- 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=4796U
- Page: https://openairdocs.org/aircraft/N4796U

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 (Grumman HU-16)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4796U.

## FAA accident and incident reports

None matched to N4796U.

## 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 N4796U

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4796U before.

- [Cancelled 1965-04-15](https://openairdocs.org/deregistered/N4796U-1965-04-15): Cessna 180H, S/N 18051496, built 1965. Exported to Papua New Guinea. Owner: [Airport Management Inc DBA Parkwood Airways](https://openairdocs.org/faa-owner/AIRPORT%20MANAGEMENT%20INC%20DBA%20PARKWOOD%20AIRWAYS), [Manassas, VA](https://openairdocs.org/faa-place/VA/Manassas)

## Related

- Other Grumman HU-16 aircraft: https://openairdocs.org/model/grumman-hu-16/aircraft.md

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