# STC SA1577GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: First Class Water, Inc, United States
- Description: Install a filter in the potable water system.
- Status date: March 28, 1991
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/98169B565D1A094C85256CC1008213A7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1577GL

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company 737-100 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-300 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

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