FAA · Supplemental Type Certificate
STC SA1151NW
Installation of North American Industries, Inc. Model 135 pistol grip (automatic flagman control) in accordance with drawing 136.
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 (51)
- A9SW Air Tractor Inc. · AT-300
- A9SW Air Tractor Inc. · AT-301
- A-758 Aircraft Parts & Development Corp. · A-9B
- A-758 Aircraft Parts & Development Corp. · A-9
- A4WE Aircraft Parts & Development Corp. · A-9A
- A-759 American Champion Aircraft Corp. · 7GCBC
- A21CE American Champion Aircraft Corp. · 8GCBC
- 2A7 Ayres Corporation · 600-S2C
- 2A7 Ayres Corporation · S-2C
- A3SW Ayres Corporation · 600 S-2D
- A3SW Ayres Corporation · S2R
- A3SW Ayres Corporation · S2R-T34
- A3SW Ayres Corporation · S2R-T15
- A3SW Ayres Corporation · S2R-T11
- A3SW Ayres Corporation · S2R-R3S
- A3SW Ayres Corporation · S2R-R1340
- A-743 Boeing Airplane Company Wichita Division · 75 (Army PT-13)
- 3A24 The Cessna Aircraft Company · A185F
- A9CE The Cessna Aircraft Company · 188 Series
- A9CE The Cessna Aircraft Company · T188C
- A9CE The Cessna Aircraft Company · A188B
- A9CE The Cessna Aircraft Company · A188A
- A9CE The Cessna Aircraft Company · 188
- A9CE The Cessna Aircraft Company · 188A
- A9CE The Cessna Aircraft Company · 188B
- A9CE The Cessna Aircraft Company · A188
- A-2-569 Naval Aircraft Factory · Navy N3N-3
- AR-2 Naval Aircraft Factory · Navy N3N-1
- A9PC Pacific Aerospace Corporation Ltd · FU24-954
- 1A2 The New Piper Aircraft Inc. · PA-18-"150"
- 1A2 The New Piper Aircraft Inc. · PA-18 Series
- 1A2 The New Piper Aircraft Inc. · PA-18A-"150"
- 1A2 The New Piper Aircraft Inc. · PA-19 (Army L-18C)
- 1A2 The New Piper Aircraft Inc. · PA-18
- 1A2 The New Piper Aircraft Inc. · PA-18A
- 1A2 The New Piper Aircraft Inc. · PA-18"105" (Special)
- 1A2 The New Piper Aircraft Inc. · PA-18-"125" (Army L-21A)
- 1A2 The New Piper Aircraft Inc. · PA-18-"135" (Army L-21B)
- 2A8 The New Piper Aircraft Inc. · PA-25-260 (Normal Cat.)
- 2A8 The New Piper Aircraft Inc. · PA-25 (Normal Cat.)
- 2A8 The New Piper Aircraft Inc. · PA-25-235 (Normal Cat.)
- A9SO The New Piper Aircraft Inc. · PA-36-285 (Normal Cat.)
- A9SO The New Piper Aircraft Inc. · PA-36-300 (Normal Cat.)
- A9SO The New Piper Aircraft Inc. · PA-36-375 (Normal Cat.)
- A10WE Weatherly Aviation Company Inc. · 201B
- A10WE Weatherly Aviation Company Inc. · 201C
- 1A16 Allied Ag Cat Productions Inc. · G-164
- 1A16 Allied Ag Cat Productions Inc. · G-164A
- 1A16 Allied Ag Cat Productions Inc. · G-164B
- 1A16 Allied Ag Cat Productions Inc. · G-164C
+ 1 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 ↗