# STC SA78NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Western Metal Products, United States
- Description: Cabin interior modifications
- Applied: March 15, 1973
- Status date: February 16, 1984
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A1PC](https://openairdocs.org/tcds/A1PC)
- Certificate PDF: https://openairdocs.org/files/sha256/22/93/22937bb734b6b791c9b80f6dde6b49939f71ec00e0209923f55dd05eaa7fb667
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3964124F2DBE9B1586257ADA00732D4E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA78NW

## ADs that name it (0)

None.

## Approved models (1)

- Mitsubishi Heavy Industries Ltd. YS-11A-600 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))

## What the certificate says

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

## Every issue (1)

- February 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/93/22937bb734b6b791c9b80f6dde6b49939f71ec00e0209923f55dd05eaa7fb667)

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