# STC SA3603WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Waig Aircraft, Inc, United States
- Description: Installation of fire retardant tanks.
- Status date: March 5, 1979
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-762](https://openairdocs.org/tcds/A-762)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25A0D1B1EB7C56B985256CC2000A99B7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3603WE

## ADs that name it (0)

None.

## Approved models (5)

- McDonnell Douglas Corporation C54-DC Series ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- McDonnell Douglas Corporation C54E-DC (Army C-54E) ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- McDonnell Douglas Corporation C54E-DC (Navy R5D-4) ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- McDonnell Douglas Corporation C54G-DC (Army C-54G) ([TCDS A-762](https://openairdocs.org/tcds/A-762))
- McDonnell Douglas Corporation C54G-DC (Navy R5D-5) ([TCDS A-762](https://openairdocs.org/tcds/A-762))

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