# N971TC: 2014 Somma EPIC LT

- Status: Valid registration
- Airframe: [Somma EPIC LT](https://openairdocs.org/model/somma-epic-lt) (registry code 056324I, 6 seats)
- Engine: [Pratt & Whitney Canada PT6A-67A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-67a) (registry code 52207)
- Data sheets: [TCDS E26NE](https://openairdocs.org/tcds/E26NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: 048
- Year built: 2014
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Kit: Epic Lt Kits LLC EPIC LT
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 7, 2021
- Certificate issued: January 4, 2021
- Expires: January 31, 2028
- Mode S code: AD8908
- Registered owner: [Twin City Electricians Inc](https://openairdocs.org/faa-owner/TWIN%20CITY%20ELECTRICIANS%20INC)
- Location: [Clarkston, WA](https://openairdocs.org/faa-place/WA/Clarkston)
- Owner type: Corporation
- Owner's area on the map: 46.3755° N, 117.2903° W: Placed by OpenAirDocs at the center of ZIP code 99403, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=971TC
- Page: https://openairdocs.org/aircraft/N971TC

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): 2 in force

### Matched by airframe (Somma EPIC LT)

None in force.

### Matched by engine (Pratt & Whitney Canada PT6A-67A)

- [AD 2024-04-51](https://openairdocs.org/ad/2024-04-51): Turbine Section · Pratt & Whitney Canada PT6A-64, PT6A-66, PT6A-66A and 17 more. Effective Mar 28, 2024
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N971TC.

## FAA accident and incident reports

None matched to N971TC.

## 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) (2)

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 engine (Pratt & Whitney Canada PT6A-67A)

- [STC SE00022EN](https://openairdocs.org/stc/SE00022EN): Installation of Oil Tank Filler Neck Check Valve. Helicopter Support Inc Services Div
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support

## Earlier aircraft with N971TC

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N971TC before.

- [Cancelled 2013-09-24](https://openairdocs.org/deregistered/N971TC-2013-09-24): Colt Balloons 69A, S/N 1480, built 1989. Registration expired, pending cancellation. Owner: [Robinson Shane](https://openairdocs.org/faa-owner/ROBINSON%20SHANE), [Springfield, MO](https://openairdocs.org/faa-place/MO/Springfield)

## Related

- Other Somma EPIC LT aircraft: https://openairdocs.org/model/somma-epic-lt/aircraft.md
- The Pratt & Whitney Canada PT6A-67A engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-67a.md

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