# STC SE09029SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Tractor, Inc, United States
- Description: Install chip detector system on P&W R-1240 series engines.
- Status date: April 5, 1995
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-129](https://openairdocs.org/tcds/E-129), [TCDS E-142](https://openairdocs.org/tcds/E-142), [TCDS E-143](https://openairdocs.org/tcds/E-143)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E8D3A5CB09C60B1685256CC2005A73FD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE09029SC

## ADs that name it (0)

None.

## Approved models (3)

- Pratt & Whitney Division R-1340-59 ([TCDS E-142](https://openairdocs.org/tcds/E-142))
- Pratt & Whitney Division Wasp S1H1 ([TCDS E-129](https://openairdocs.org/tcds/E-129))
- Pratt & Whitney Division Wasp S3H1 ([TCDS E-143](https://openairdocs.org/tcds/E-143))

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