# STC SA938SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of Koehler Air-Lav Model 45.
- Status date: September 4, 1992
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6C93CE506C5FCCED85256CC20058EAE6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA938SW

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159 ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

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