What it approves
Metal wing ribs and new wood spar (same as original spar).
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 |
|---|---|---|
| Boeing Airplane Company Wichita Division | 75 Series | A-743 |