What it approves
Modification of floor and bottom fuselage for water and chemical tank installation.
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
Supplemental type certificate · Hawkins & Powers Avn Inc
- Holder
- Hawkins & Powers Avn Inc · United States
- Status
- Current · Issued
- Status date
- May 21, 1976
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA21WE
From FAA DRS. DRS record last changed December 6, 2025.