# STC SE01045AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Unison Industries, United States
- Description: Installation of engine ignition lead
- Status date: May 21, 1995
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E20NE](https://openairdocs.org/tcds/E20NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2E650D63E1DB9CBB85256CC2005A73DA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE01045AT

## ADs that name it (0)

None.

## Approved models (15)

- Pratt & Whitney Canada Inc. PW118 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW118A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW120 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW120A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW121 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW123 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW123B ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW123C ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW123D ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW124B ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW125B ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW126A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW127 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW127E ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW127F ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))

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