FAA · Supplemental Type Certificate
STC SH279SW
Modification of dual control cyclic stick into quick removable stick similar to Bell 47A stick by cutting off stock and making an insert of 4130 steel tube to fit inside.
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 (11)
- 2H3 Scotts-Bell 47 Inc · 47G-2A
- 2H3 Scotts-Bell 47 Inc · 47G-3
- 2H3 Scotts-Bell 47 Inc · 47G-3B
- 2H3 Scotts-Bell 47 Inc · 47G-3B-1
- 2H3 Scotts-Bell 47 Inc · 47G-3B-2
- 2H3 Scotts-Bell 47 Inc · 47G-3B-2A
- H-1 Scotts-Bell 47 Inc · 47D
- H-1 Scotts-Bell 47 Inc · 47D1
- H-1 Scotts-Bell 47 Inc · 47E
- H-1 Scotts-Bell 47 Inc · 47G
- H-1 Scotts-Bell 47 Inc · 47H-1
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗