What it approves
Installation of Norton Radome Kit No. 4257X.
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 · Saint-Gobain Performance Plastics Corp
- Holder
- Saint-Gobain Performance Plastics Corp · United States
- Status
- Current · Reissued
- Status date
- December 5, 2000
- Product
- Aircraft · Rotorcraft
- Certification basis
- Part 21
- Data sheet
- TCDSH4SW
From FAA DRS. DRS record last changed December 6, 2025.