# N420GP: 1944 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: 53420 - Year built: 1944 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: May 16, 2001 - Certificate issued: July 29, 2004 - Expires: October 31, 2027 - Mode S code: A4FC43 - Registered owner: [Tri-State Warbird Museum](https://openairdocs.org/faa-owner/TRI-STATE%20WARBIRD%20MUSEUM) - Location: [Batavia, OH](https://openairdocs.org/faa-place/OH/Batavia) - Owner type: Corporation - Owner's area on the map: 39.0916° N, 84.1437° W: Placed by OpenAirDocs at the center of ZIP code 45103, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=420GP - Page: https://openairdocs.org/aircraft/N420GP 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 (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CEN25LA181](https://openairdocs.org/ntsb/CEN25LA181), May 15, 2025: Grumman TBM-3 (N420GP), Terre Haute, IN, substantial damage, investigation ongoing - [NTSB CHI06FA206](https://openairdocs.org/ntsb/CHI06FA206), Jul 30, 2006: Grumman TBM-3 (N420GP), Oshkosh, WI, minor damage, 1 fatal. Probable cause: The Avenger pilot's visual lookout was inadequate and he failed to maintain clearance from the RV-6. Contributing factors were the Avenger's restricted visibility and the RV-6. ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20250515005459A](https://openairdocs.org/incident/20250515005459A), May 15, 2025: Grumman TBM-3 (N420GP), Terre Haute, IN, Substantial damage. On may 15, 2025, at approximately 13:59 EDT, a Grumman TBM-3 avenger, lost engine power while on final approach to runway 23 at the Terre Haute Regional… - [Accident 20060730026731A](https://openairdocs.org/incident/20060730026731A), Jul 30, 2006: Grumav TBM3AIRTRD (N420GP), Oshkosh, WI, Minor damage. (-23) On 30 July 2006 at Oshkosh, WI (osh) TBM-3, N420GP, piloted by [privacy data omitted] redlich, taxied inadvertently into the aft portion of a RV-6,… ## 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 ## 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.