FAA · Supplemental Type Certificate
STC SA02360AK
Fabrication and installation of Airglas, Inc., Model GLH3000 hydraulically retractable wheel skis
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 (17)
- A22NM Aviat Aircraft Inc · A-1
- A22NM Aviat Aircraft Inc · A-1A
- A22NM Aviat Aircraft Inc · A-1B
- A22NM Aviat Aircraft Inc · A-1C-180
- A22NM Aviat Aircraft Inc · A-1C-200
- A-799 Cessna Aircraft Company · 170
- A-799 Cessna Aircraft Company · 170A
- A-799 Cessna Aircraft Company · 170B
- A00006SE Cub Crafters Inc. · CC18-180
- A00006SE Cub Crafters Inc. · CC18-180A
- A-780 FS 2003 Corp. · PA-12
- 1A2 Piper Aircraft Inc. · PA-18-125 (Army L-21A)
- 1A2 Piper Aircraft Inc. · PA-18-135
- 1A2 Piper Aircraft Inc. · PA-18-150
- 1A2 Piper Aircraft Inc. · PA-18A-135
- 1A2 Piper Aircraft Inc. · PA-18A-150
- A00003AK Super 18 LLC · Super 18
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 ↗