What it approves
Steel duct installation for APU according to Qualitron Aero. (707-353B)
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
| Make | Model | Data sheet |
|---|---|---|
| The Boeing Company | 707 | 4A26 |