# N4648: 1928 Aircraft Mechanics COMB EAGLEROCK 3POLB

- Status: Valid registration
- Airframe: [Aircraft Mechanics COMB EAGLEROCK 3POLB](https://openairdocs.org/model/aircraft-mechanics-comb-eaglerock-3polb) (registry code 0400107, 3 seats)
- Engine: [Wright HISPANO E](https://openairdocs.org/engine/wright-hispano-e) (registry code 67006)
- Serial number: 469
- Year built: 1928
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: November 3, 1998
- Expires: October 31, 2028
- Mode S code: A5ABE7
- Registered owner: [Museum Of Flight Foundation](https://openairdocs.org/faa-owner/MUSEUM%20OF%20FLIGHT%20FOUNDATION)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.5351° N, 122.3059° W: Placed by OpenAirDocs at the center of ZIP code 98108, 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=4648
- Page: https://openairdocs.org/aircraft/N4648

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 (Aircraft Mechanics COMB EAGLEROCK 3POLB)

None in force.

### Matched by engine (Wright HISPANO E)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4648.

## FAA accident and incident reports

None matched to N4648.

## 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.

## Related

- Other Aircraft Mechanics COMB EAGLEROCK 3POLB aircraft: https://openairdocs.org/model/aircraft-mechanics-comb-eaglerock-3polb/aircraft.md
- The Wright HISPANO E engine: https://openairdocs.org/engine/wright-hispano-e.md

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