FAA · Supplemental Type Certificate
STC ST334CH
Installation of Superflite 102 fabric.
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (48)
- A6EU Aerospatiale (Societe Nationale Industrielle Aerospatiale) · Nord 262A Series
- LTC-8 Air Trading Corporation · TBF-1 (Navy)
- LTC-8 Air Trading Corporation · TBF-1C (Navy)
- LTC-8 Air Trading Corporation · TBM-1 (Navy)
- LTC-8 Air Trading Corporation · TBM-1C (Navy)
- LTC-8 Air Trading Corporation · TBM-3 (Navy)
- LTC-8 Air Trading Corporation · TBM-3E (Navy)
- A33SO Amphibian Aircraft International Inc · HU-16A
- A33SO Amphibian Aircraft International Inc · HU-16B
- A-762 The Boeing Company · C54-DC
- A-762 The Boeing Company · C54A-DC
- A-762 The Boeing Company · C54B-DC
- A-762 The Boeing Company · C54D-DC
- A-762 The Boeing Company · C54E-DC
- A-762 The Boeing Company · C54G-DC
- A-762 The Boeing Company · DC-4
- A-781 The Boeing Company · DC-6
- 6A3 The Boeing Company · DC-6A
- 6A4 The Boeing Company · DC-6B
- 4A10 The Boeing Company · DC-7
- 4A10 The Boeing Company · DC-7B
- 4A10 The Boeing Company · DC-7C
- A-618 The Boeing Company · DC3-G102
- A-618 The Boeing Company · DC3-G102A
- A-618 The Boeing Company · DC3-G103A
- A-618 The Boeing Company · DC3-G202A
- A-669 The Boeing Company · DC3A-S1C3G
- A-669 The Boeing Company · DC3A-S1CG
- A-669 The Boeing Company · DC3A-S4C4G
- A-669 The Boeing Company · DC3A-SC3G
- A-669 The Boeing Company · DC3A-SCG
- A-669 The Boeing Company · DC3C-R-1830-90C
- A-669 The Boeing Company · DC3C-S1C3G
- A-669 The Boeing Company · DC3C-S4C4G
- A-669 The Boeing Company · DC3C-SC3G
- A-669 The Boeing Company · DC3D-R-1830-90C
- LTC-11 Cal Pacific Airmotive Inc. · Army P-51C
- LTC-11 Cal Pacific Airmotive Inc. · Army P-51D
- LTC-11 Cal Pacific Airmotive Inc. · Army P-51K
- TC 785 Catalina Aircraft Trust LLC · 28-5ACF
- A-783 Frakes Aviation · G-73
- AL-2 S and R Aviation Services Inc · Army B-25C
- AL-2 S and R Aviation Services Inc · Army B-25G
- AL-2 S and R Aviation Services Inc · Army B-25H
- AL-2 S and R Aviation Services Inc · Army B-25J
- AL-2 S and R Aviation Services Inc · Army B-25N
- AL-2 S and R Aviation Services Inc · Army RB-25
- AL-2 S and R Aviation Services Inc · Army TB-25N
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗