# N505MH: 1945 Lockheed P-38L

- Status: Valid registration
- Airframe: [Lockheed P-38L](https://openairdocs.org/model/lockheed-p-38l) (registry code 5260206, 1 seats)
- Engine: [Allison V1710 series](https://openairdocs.org/engine/allison-v1710-series) (registry code 03001)
- Data sheets: [TCDS LTC-10](https://openairdocs.org/tcds/LTC-10) (Lockheed Aircraft Corporation) (OpenAirDocs)
- Serial number: 197425-501
- Year built: 1945
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Limited
- Airworthiness date: June 27, 1956
- Certificate issued: April 20, 2020
- Expires: April 30, 2030
- Mode S code: A64D9E
- Registered owner: [Lightning LLC](https://openairdocs.org/faa-owner/LIGHTNING%20LLC)
- Location: [Stow, MA](https://openairdocs.org/faa-place/MA/Stow)
- Owner type: LLC
- Owner's area on the map: 42.4299° N, 71.5116° W: Placed by OpenAirDocs at the center of ZIP code 01775, 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=505MH
- Page: https://openairdocs.org/aircraft/N505MH

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. The registry lists only the engine series, so ADs for every Allison V1710 model are included.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Lockheed P-38L)

- [AD 93-14-12](https://openairdocs.org/ad/93-14-12): Crewmember Protective Breathing Equipment Units · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 201 more. Effective Sep 2, 1993

### Matched by engine (Allison V1710 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N505MH.

## FAA accident and incident reports

None matched to N505MH.

## 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) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Lockheed P-38L)

- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc

## Related

- Other Lockheed P-38L aircraft: https://openairdocs.org/model/lockheed-p-38l/aircraft.md
- The Allison V1710 series engine: https://openairdocs.org/engine/allison-v1710-series.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.