# N440HP: 2013 Jeffrey E Mcnamara MAMMOTH

- Status: Valid registration
- Airframe: [Jeffrey E Mcnamara MAMMOTH](https://openairdocs.org/model/jeffrey-e-mcnamara-mammoth) (registry code 05632RQ, 6 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 0001
- Year built: 2013
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 2, 2013
- Certificate issued: May 17, 2013
- Expires: May 31, 2029
- Mode S code: A54B5A
- Registered owner: [Mc Namara Jeffrey E](https://openairdocs.org/faa-owner/MC%20NAMARA%20JEFFREY%20E)
- Location: [Riverside, CA](https://openairdocs.org/faa-place/CA/Riverside)
- Owner type: Individual
- Owner's area on the map: 33.9084° N, 117.4013° W: Placed by OpenAirDocs at the center of ZIP code 92504, 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=440HP
- Page: https://openairdocs.org/aircraft/N440HP

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 (Jeffrey E Mcnamara MAMMOTH)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N440HP.

## FAA accident and incident reports

None matched to N440HP.

## 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 N440HP

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N440HP before.

- [Cancelled 1994-07-05](https://openairdocs.org/deregistered/N440HP-1994-07-05): Cessna 421B, S/N 421B0030. Triennial form not returned. Owner: [Dodson Aviation Incorporated](https://openairdocs.org/faa-owner/DODSON%20AVIATION%20INCORPORATED), [Ottawa, KS](https://openairdocs.org/faa-place/KS/Ottawa)

## Related

- Other Jeffrey E Mcnamara MAMMOTH aircraft: https://openairdocs.org/model/jeffrey-e-mcnamara-mammoth/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.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.