STC SA87GL

Supplemental type certificate · Northwest Airlines Inc.

Holder
Northwest Airlines Inc. · United States
Status
Current · Issued
Status date
September 29, 1975
Applied
May 23, 1975
Product
Aircraft · Large Airplane
Data sheet
TCDS4A26

From FAA DRS, with our copy of the certificate PDF. DRS record last changed July 17, 2026.

What it approves

Installation of Bendix GPW-83 ground proximity warning system. (707-351B)

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

This certificate is a scan without a text layerOpen the PDF to read it.

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing Company7074A26