# N109K: 1945 Grumman TBM-3

- Status: Valid registration
- Airframe: [Grumman TBM-3](https://openairdocs.org/model/grumman-tbm-3) (registry code 3950308, 2 seats)
- Engine: [Wright R-2600 series](https://openairdocs.org/engine/wright-r-2600-series) (registry code 67050)
- Data sheets: [TCDS LTC-8](https://openairdocs.org/tcds/LTC-8) (Air Trading Corporation) (OpenAirDocs)
- Serial number: 53638
- Year built: 1945
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Limited
- Airworthiness date: May 16, 2005
- Certificate issued: January 30, 2004
- Expires: April 30, 2029
- Mode S code: A02704
- Registered owner: [Mid Atlantic Air Museum](https://openairdocs.org/faa-owner/MID%20ATLANTIC%20AIR%20MUSEUM)
- Location: [Reading, PA](https://openairdocs.org/faa-place/PA/Reading)
- Owner type: Corporation
- Owner's area on the map: 40.3986° N, 75.9461° W: Placed by OpenAirDocs at the center of ZIP code 19605, 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=109K
- Page: https://openairdocs.org/aircraft/N109K

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 Wright R-2600 model are included.

## ADs that may apply (OpenAirDocs): 2 in force

### Matched by airframe (Grumman TBM-3)

- [AD 64-26-03](https://openairdocs.org/ad/64-26-03): Elevator Push Rod Assembly · Air Trading TBF-1 (Navy), TBF-1C (Navy), TBM-1 (Navy) and 3 more. Effective Dec 25, 1964
- [AD 58-19-01](https://openairdocs.org/ad/58-19-01): Fire Resistant Hose · Air Trading TBF-1 (Navy), TBF-1C (Navy), TBM-1 (Navy) and 3 more

### Matched by engine (Wright R-2600 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N109K.

## FAA accident and incident reports

None matched to N109K.

## 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) (4)

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 (Grumman TBM-3)

- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [STC ST334CH](https://openairdocs.org/stc/ST334CH): Installation of Superflite 102 fabric. Aviation Products Systems Inc
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc
- [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc

## Earlier aircraft with N109K

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N109K before.

- [Cancelled 1932-10-14](https://openairdocs.org/deregistered/N109K-1932-10-14): Monocoupe MONOPREP, S/N 6071. Owner: [Thomason Troy C](https://openairdocs.org/faa-owner/THOMASON%20TROY%20C), [Evanston, WY](https://openairdocs.org/faa-place/WY/Evanston)

## Related

- Other Grumman TBM-3 aircraft: https://openairdocs.org/model/grumman-tbm-3/aircraft.md
- The Wright R-2600 series engine: https://openairdocs.org/engine/wright-r-2600-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.