# STC SE904EA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Co-Operative Ind Inc, United States
- Description: Installation of ignition harness parts numbers as alternate parts.
- Status date: March 30, 1972
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-264](https://openairdocs.org/tcds/E-264)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2D15DD9D6556E75585256CCB0060198E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE904EA

## ADs that name it (0)

None.

## Approved models (1)

- Pratt & Whitney Division Double Wasp CB Series ([TCDS E-264](https://openairdocs.org/tcds/E-264))

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