STCs, Supplemental Type Certificates

Aero Accessories  Aircraft Accessories of OK 

Aircraft Specialties Services  AMR&D Inc.

Boundary Layer Research  Eagle Fuel Cells  J A Air Center 

J P Instruments  Kelly Aerospace  Knots 2U, Inc. 

M-20 Turbos, Inc.  Met-Co-Aire  National Airparts, Inc.

National Flight Service  O & N Aircraft Modifications

P Ponk Aviation  Penn Yan Aero Service  Petersen Aviation, Inc.

Petersen's Performance Plus  Precise Flight, Inc.  Ram Aircraft

Rapco, Inc.  Zeftronics

STOL Mods

Boundary Layer Research  Horton Inc.  Petersen's Performance Plus

Priority Aviation

Safety Belts & Harnesses

Aircraft Belts, Inc.  Aircraft Spruce & Specialty Co  Airparts Co, Inc.

Airtex Products  B A S Inc.  Chief Aircraft  Hooker Custom Harness

Kosola & Associates  White Industries, Inc.

Safety Equipment

Aircraft Spruce & Specialty Co  Airsport Avionics  Aircraft Belts, Inc.

Aircraft Tool Supply Company  Alpha Aviation  Chief Aircraft

Hooker Custom Harness  U.S. Industrial Tool & Supply

Scales, Aircraft

Aircraft Spruce & Specialty Co

Scanners

Aircraft Spruce & Specialty Co  American Avionics  Chief Aircraft

Eastern Avionics  Gulf Coast Avionics  J P Instruments 

Pacific Coast Avionics

Seal Kits

Aircraft Specialties Services  Aircraft Spruce & Specialty Co

Airpower, Inc.  AMR&D Inc.  Chief Aircraft 

Teledyne Mattituck Services  Van Bortel Aircraft

Seat Covers

Aircraft Spruce & Specialty Co  Airtex Products  Chief Aircraft 

Oregon Aero

Seat Parts

Approved Aeronautics, LLC

Seats

Aircraft Spruce & Specialty Co  B A S Inc.  Mena Aircraft Interiors

Oregon Aero  Wentworth Aircraft, Inc.  White Industries, Inc.

Security Systems & Devices

Aircraft Security & Alert Systems  American Avionics  Eastern Avionics

Sheet Metal Fabrication

Approved Aeronautics, LLC

Shimmy Damper

Airparts Co, Inc.  Herber Aircraft Service  Wentworth Aircraft, Inc.

White Industries, Inc.

Spark Plugs

Aircraft Spruce & Specialty Co  Airmark Overhaul

Aircraft Specialties Services  Aircraft Supply  Airparts Co, Inc.

Airpower, Inc.  American Avionics  Beuco, Inc.  Chief Aircraft

Fresno Airparts  Intermountain Air LLC  J A Air Center

Louisiana Aircraft, Inc.  Mena Aircraft Engines, Inc.  Preferred Airparts

Ram Aircraft  Sun Air Parts  Superior Air Parts, Inc. 

Teledyne Mattituck Services  Van Bortel Aircraft  Varga Enterprises, Inc. 

Speakers

Aircraft Spruce & Specialty Co  American Avionics  Chief Aircraft

Eastern Avionics  Gulf Coast Avionics  J A Air Center  Sarasota Avionics

Speed Brakes

Horton Inc.  J A Air Center  Precise Flight, Inc.  White Industries, Inc.

Speed Mods

Horton Inc.  Knots 2U, Inc.  Priority Aviation

Spinners

Aircraft Spruce & Specialty Co  American Avionics 

Precise Flight, Inc.  Preferred Airparts  TCB Composite Company 

Wentworth Aircraft, Inc.  White Industries, Inc.

Spoilers

Armadillo Products  Kennon Aircraft Covers  Precise Flight, Inc. 

White Industries, Inc.

Stainless Steel Hardware

Aircraft Spruce & Specialty Co  Chief Aircraft  Wall Colmonoy

Start Boosters

Chief Aircraft  Rotorcraft Enterprises, LLC  Unison Industries

Starter Parts

Aerotech of Louisville  Aircraft Accessories of OK 

Aircraft Spruce & Specialty Co  Airmark Overhaul  Chief Aircraft

Mid-West M-20 Sales & Service  Penn Yan Aero Service

Sky Tec Partners, Ltd  Varga Enterprises, Inc.  White Industries, Inc.

Starters

Aerotech of Louisville  Aircraft Accessories of OK

Aircraft Spruce & Specialty Co  Aircraft Supply  Airmark Overhaul

Airparts Co, Inc.  Airpower, Inc.   American Lab & Systems

America's Aircraft Engines, Inc.  B&C Specialty Products, Inc.

Beuco, Inc.  Chief Aircraft  Intermountain Air LLC  J A Air Center

Mid-West M-20 Sales & Service  Niagara Air Parts, Inc.

Penn Yan Aero Service  Preferred Airparts  Quality Aircraft Accessories

Sky Tec Partners, Ltd  St. Louis Engine & Cylinder

Superior Air Parts, Inc.  Teledyne Mattituck Services

Tom's Aircraft Maintenance  Unison Industries  Van Bortel Aircraft

Varga Enterprises, Inc.  Wentworth Aircraft, Inc.  White Industries, Inc.

Steel Supplies

Airparts, Inc. Armadillo Products 

Strobes

Aircraft Spruce & Specialty Co  Aircraft Specialties Services

American Avionics  Beuco, Inc.  Chief Aircraft  Eastern Avionics

J A Air Center  Preferred Airparts  Sarasota Avionics

Univair Aircraft Corp  Wentworth Aircraft, Inc.  White Industries, Inc.

Structural Repairs

Aerospace Coatings, Int'l, Inc.  National Flight Service  Priority Aviation 

Struts & Strut Repair

Aerospace Coatings, Int'l, Inc.  Aircraft Spruce & Specialty Co

Airmark Overhaul  Chief Aircraft  Preferred Airparts  Priority Aviation

Wentworth Aircraft, Inc.  White Industries, Inc.

Sumps, Oil

Airmark Overhaul  Divco, Inc.  Preferred Airparts  Wentworth Aircraft, Inc.

White Industries, Inc.

Sun Visors, Heat Shields or Sunscreens

Aircraft Spruce & Specialty Co  Chief Aircraft 

Cunningham Aircraft Covers  Gulf Coast Avionics  Kennon Aircraft Covers

Plane Plastics  Sun-Foil Aircraft Screens, Inc.  White Industries, Inc.

Back to Airframes & Engines