# STC SA494WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Jay- Dee Aircraft Supply Co
- Description: Exhaust heat exchanger for cabin heating system.
- Status date: September 27, 1974
- Data sheets: A-669, A-669, A-669
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2706D0EF607CB98785256CC2000E3FE4.0001
- Page: https://openairdocs.org/stc/SA494WE

## ADs that name it

None.

## Approved models (3)

- McDonnell Douglas Corporation DC-3A Series (TCDS A-669)
- McDonnell Douglas Corporation DC-3C Series (TCDS A-669)
- McDonnell Douglas Corporation DC-3D Series (TCDS A-669)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.