FAA · Supplemental Type Certificate
STC SA4-302
Installation of BN-1 propeller spinner.
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 (54)
- A-728 Aeronca Aircraft Corporation · 60-TF
- A-728 Aeronca Aircraft Corporation · 65-TL
- A-728 Aeronca Aircraft Corporation · YO-58 (Army L-3)
- A-728 Aeronca Aircraft Corporation · 65-TAL
- A-728 Aeronca Aircraft Corporation · 65-TAF (Army L-3D)
- A-728 Aeronca Aircraft Corporation · 65-TAC (Army L-3E)
- A-728 Aeronca Aircraft Corporation · 65-TF
- A-728 Aeronca Aircraft Corporation · 50-TL
- A-728 Aeronca Aircraft Corporation · 50-TC
- A-728 Aeronca Aircraft Corporation · 65-TC (Army L-3J)
- A-802 Aeronca Aircraft Corporation · 15AC
- A-802 Aeronca Aircraft Corporation · S15AC
- A-758 Aircraft Parts & Development Corp. · A Series
- A-761 American Champion Aircraft Corp. · 11BC
- A-761 American Champion Aircraft Corp. · S11AC
- A-761 American Champion Aircraft Corp. · 11AC
- A-773 Bellanca Aircraft Corporation · 14-13 Series
- A-768 The Cessna Aircraft Company · 120
- A-768 The Cessna Aircraft Company · 140
- A-799 The Cessna Aircraft Company · 170
- A-729 Commonwealth Aircraft Inc. · 175
- A-729 Commonwealth Aircraft Inc. · 190F
- A-729 Commonwealth Aircraft Inc. · 185
- A-729 Commonwealth Aircraft Inc. · 180F
- A-729 Commonwealth Aircraft Inc. · 180
- A-709 Consolidated Vultee Aircraft Corporation Stinson Division · HW-75
- A-709 Consolidated Vultee Aircraft Corporation Stinson Division · 10
- A-715 McClish Thomas H. · B85C
- A-715 McClish Thomas H. · B75L (Army UC-92)
- Miscellaneous Miscellaneous · Miscellaneous
- A-803 Mooney Mite Aircraft Corporation · M-18 Series
- 1A1 The New Piper Aircraft Inc. · PA-16
- 1A2 The New Piper Aircraft Inc. · PA-18 Series
- 1A2 The New Piper Aircraft Inc. · PA-19 Series
- 1A6 The New Piper Aircraft Inc. · PA-22 Series
- A-692 The New Piper Aircraft Inc. · J3 Series
- A-703 The New Piper Aircraft Inc. · J4 Series
- ATC 595 The New Piper Aircraft Inc. · J-2
- A-720 Rankin Joe · LP-65
- A-720 Rankin Joe · CS-65
- A-720 Rankin Joe · CP-65
- A-720 Rankin Joe · CP-55
- A-720 Rankin Joe · FP-65
- A-730 Superior Aircraft Company · Culver LFA
- A-730 Superior Aircraft Company · Culver LCA
- A-766 Swift Museum Foundation Inc. · GC-1A
- A-766 Swift Museum Foundation Inc. · GC-1B
- A-700 Taylorcraft Inc. · BL12-65 (Army L-2J)
- A-700 Taylorcraft Inc. · BL
- A-700 Taylorcraft Inc. · BL-65 (Army L-2F)
+ 4 more aircraft
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 ↗