# STC SA3-596

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Northwest Airlines Inc., United States
- Description: Waste-King 5424-200 Flight Recorder Systems
- Applied: October 4, 1960
- Status date: December 8, 1960
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS 4A22](https://openairdocs.org/tcds/4A22)
- Certificate PDF: https://openairdocs.org/files/sha256/27/31/2731b6f99629c3c815801da1ac37ff76430ea1fd249d6eeda21428a39e97b698
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107851541220260715182422.0001
- DRS record last changed: July 15, 2026
- Page: https://openairdocs.org/stc/SA3-596

## ADs that name it (0)

None.

## Approved models (2)

- Lockheed Aircraft Corporation 188A ([TCDS 4A22](https://openairdocs.org/tcds/4A22))
- Lockheed Aircraft Corporation 188C ([TCDS 4A22](https://openairdocs.org/tcds/4A22))

## What the certificate says

The certificate has no text we could read; open the PDF to read it.

## Every issue (1)

- December 8, 1960: Issued, Current. [certificate](https://openairdocs.org/files/sha256/27/31/2731b6f99629c3c815801da1ac37ff76430ea1fd249d6eeda21428a39e97b698)

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