FAA · Supplemental Type Certificate
STC SA01087SE
Installation of titanium main landing gear assembly in accordance with XP Modifications, Inc. Master Drawing List XP010101MDL, Revision A, dated January 28, 2003, or later FAA approved revision.
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 (19)
- 3A24 Cessna Aircraft Company · 185
- 3A24 Cessna Aircraft Company · 185A
- 3A24 Cessna Aircraft Company · 185B
- 3A24 Cessna Aircraft Company · 185C
- 3A24 Cessna Aircraft Company · 185D
- 3A24 Cessna Aircraft Company · 185E
- 3A24 Cessna Aircraft Company · A185E
- 3A24 Cessna Aircraft Company · A185F
- 5A6 Cessna Aircraft Company · 180
- 5A6 Cessna Aircraft Company · 180A
- 5A6 Cessna Aircraft Company · 180B
- 5A6 Cessna Aircraft Company · 180C
- 5A6 Cessna Aircraft Company · 180D
- 5A6 Cessna Aircraft Company · 180E
- 5A6 Cessna Aircraft Company · 180F
- 5A6 Cessna Aircraft Company · 180G
- 5A6 Cessna Aircraft Company · 180H
- 5A6 Cessna Aircraft Company · 180J
- 5A6 Cessna Aircraft Company · 180K
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗