What it approves
Modification of the Cabin Altitude Warning Reliability Improvement
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.
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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 · 5
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| December 3, 2021 | Reissued, current | Certificate |
| December 3, 2021 | Issued, earlier issue | Certificate |