# STC SE621GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: General Aviation, Inc, United States
- Description: Modify PT6A-112 fuel inlet line and primary fuel pressure tube bracket.
- Status date: June 25, 1982
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F6153B6EEB38E1E885256CC2005A75DA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE621GL

## ADs that name it (0)

None.

## Approved models (1)

- Pratt & Whitney Canada Inc. PT6A-112 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))

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