# Allison T-56A-9

- Type: Engine model (FAA registry)
- Registry code: 03026
- Manufacturer (registry): ALLISON
- Model: T-56A-9
- Engine type: Turbo-prop
- Power: 3,750 hp
- Installed in: 6 registered aircraft
- Page: https://openairdocs.org/engine/allison-t-56a-9

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (6)

- [N117TG](https://openairdocs.org/aircraft/N117TG): [International Air Response Inc](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20RESPONSE%20INC), [Coolidge, AZ](https://openairdocs.org/faa-place/AZ/Coolidge), built 1954, S/N 54-1631
- [N118TG](https://openairdocs.org/aircraft/N118TG): [International Air Response Inc](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20RESPONSE%20INC), [Coolidge, AZ](https://openairdocs.org/faa-place/AZ/Coolidge), built 1957, S/N 57-0512
- [N120TG](https://openairdocs.org/aircraft/N120TG): [International Air Response Inc](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20RESPONSE%20INC), [Coolidge, AZ](https://openairdocs.org/faa-place/AZ/Coolidge), built 1955, S/N 3035
- [N121TG](https://openairdocs.org/aircraft/N121TG): [International Air Response](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20RESPONSE), [Coolidge, AZ](https://openairdocs.org/faa-place/AZ/Coolidge), built 1956, S/N 56-0511
- [N466TM](https://openairdocs.org/aircraft/N466TM): [T B M Inc](https://openairdocs.org/faa-owner/T%20B%20M%20INC), [Atwater, CA](https://openairdocs.org/faa-place/CA/Atwater), built 1957, S/N 57-466
- [N531TB](https://openairdocs.org/aircraft/N531TB): [Tbm](https://openairdocs.org/faa-owner/TBM), [Atwater, CA](https://openairdocs.org/faa-place/CA/Atwater), S/N 56-0531

## NTSB investigations (1)

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 WPR25LA089](https://openairdocs.org/ntsb/WPR25LA089), Feb 1, 2025: Lockheed C-130A (N466TM), Daggett, CA, no damage. Probable cause: An inflight upset due to an improperly secured load that resulted in serious injuries.

## 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 20250201003789A](https://openairdocs.org/incident/20250201003789A), Feb 1, 2025: Lockheed C-130A (N466TM), Daggett, CA, No damage. On February 1, 2025,0930L, a Lockheed C-130A (civilian), [privacy data omitted]was conducting a high-altitude parachute extraction test as part of a military…
- [Incident 20100518039919I](https://openairdocs.org/incident/20100518039919I), May 18, 2010: Lockheed C-130A (N466TM), Johnstown, PA, No damage. At 1420 local time, N466TM was conducting high speed taxi testing of experimental camera equipment when it departed the end of runway 33 at approximately 5-10…

---
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.
