# STC SA00308WI

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Callahan Aircraft Services, United States
- Description: Installation of replacement wing rear spar caps
- Applied: January 20, 1995
- Status date: December 1, 2004
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/5c/76/5c76cbb13feb1f43269dbbe0b7ab75c8f36b3cd71f4a0c5191d48a7f42ec97ad
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3CEE6FE7F267731F862571710051C270.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00308WI

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 421 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- December 1, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5c/76/5c76cbb13feb1f43269dbbe0b7ab75c8f36b3cd71f4a0c5191d48a7f42ec97ad)

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