What it approves
Installation of a Second Emergency Battery with associated wiring to connect Number 1 Communication, Navigation, Audio and Transponder.
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 · 4
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| November 21, 1990 | Issued, current | Certificate |
| October 29, 1990 | Issued, earlier issue | Certificate |