# STC SA3-514

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Haveman George F, United States
- Description: Modification to exhaust and carburetor air preheater muff systems and installation of exhaust stack shields on cowling.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-691](https://openairdocs.org/tcds/A-691)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/538EECAB53946DCC86256CDA00723C24.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-514

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. J3 Series ([TCDS A-691](https://openairdocs.org/tcds/A-691))

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