The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 34

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA101SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: One right-hand and two left-hand single seats.
TC Nos.: 3A25
Models: The Cessna Aircraft Company320, 320-1
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA119SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of passenger seats.
TC Nos.: 3A25
Models: The Cessna Aircraft Company320, 320A, 320B
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 13349 Edina Way, Poway, CA 92064, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1387SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of liquid nitrogen air conditioner.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310P
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1707SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of three-place side facing couch.
TC Nos.: A21EU
Models: British Aerospace (Scotland)HP 137 Jetstream Mk. 1
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1767SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Relocate fuel and hydraulic shutoff valve as required by AD 70-15-04, para. (a).
TC Nos.: A21EU
Models: British Aerospace (Scotland)HP 137 Jetstream Mk. 1
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1769SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of single seat.
TC Nos.: A21EU
Models: British Aerospace (Scotland)HP 137 Jetstream Mk. 1
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1807NM	Status: Historical	App Date:	Rev Date: 11/29/1982
Description: Installation of two 68.5 U.S. gallon usable fuel nacelle tanks and fuel system. (421C MODIFIED PER STC SA1361SO)
TC Nos.: A7CE
Models: The Cessna Aircraft Company421C
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Riley Aircraft Corp 2206 Palomar Airport Road, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA180RM	Status: Current	App Date: 05/31/1979	Rev Date: 04/12/1988
Description: Installation of Aero Engineering air-conditioning system.
TC Nos.: 3A21
Models: The Cessna Aircraft CompanyP210N
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1881SW	Status: Current	App Date: 03/12/1974	Rev Date: 11/29/1984
Description: Install Continental TSIO-520-J engine and increase take-off power to 310 h.p.
TC Nos.: 3A25
Models: Cessna Aircraft Company340
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1883SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Install Hartzell synchrophase system.
TC Nos.: 3A10, 3A25
Models: The Cessna Aircraft Company310I, 310L, 310N, 310P, 310Q, 320C, 320E, T310P
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1904SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of additional auxiliary transfer tanks.
TC Nos.: 3A10, 3A25
Models: The Cessna Aircraft Company310I, 310J, 310K, 310L, 310P, 310Q, 320B, 320C, 320D, 320E, 320F
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1979SW	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of in-line fuel pumps for auxiliary tanks.
TC Nos.: 3A25
Models: The Cessna Aircraft Company340 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2-1272	Status: Current	App Date: 11/21/1961	Rev Date: 11/29/1984
Description: Installation of revised hat rack.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2-712	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of auxiliary fuel tanks, saddle type and fuel cross-feed system.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C, 310D, 310E (USAF U-3B), 310F, 310G, 310H
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2-712	Status: Historical	App Date: 01/12/1959	Rev Date: 08/22/1974
Description: Installation of auxiliary fuel tanks, saddle type and fuel cross-feed system.
TC Nos.: 3A10
Models: Cessna Aircraft Company310, 310B, 310C, 310D, 310E, 310F, 310G, 310H
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2-904	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation and manufacture of engine shock mounts for Teledyne0-470-M and IO-470-D engines.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2-909	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of full shock mounted instrument panel.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310A (USAF U-3A), 310B, 310C, 310D, 310E (USAF U-3B), 310F, 310G
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA212SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of Lycoming IO-540- A1A5 engines and Hartzell HCA3XK-2B/7636D propellers.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C, 310D, 310E (USAF U-3B), 310F
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA212SO	Status: Historical	App Date: 02/07/1962	Rev Date: 08/06/1974
Description: Installation of Lycoming IO-540- A1A5 engines and Hartzell HCA3XK-2B/7636D propellers.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C, 310D, 310E (USAF U-3B), 310F
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA237SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Modification of the control wheel.
TC Nos.: 3A10, 3A25
Models: The Cessna Aircraft Company310, 310A (USAF U-3A), 310B, 310C, 310D, 310E (USAF U-3B), 310F, 310G, 320, 320-1
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA248SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Increase takeoff gross weight to4,830 pounds.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2536NM	Status: Current	App Date:	Rev Date: 11/20/1984
Description: Installation of McCauley 2D3614-E/78KM-4 propeller. (177 AS MODIFIED PER STC SA906CE)
TC Nos.: A13CE
Models: The Cessna Aircraft Company177
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA254SO	Status: Current	App Date: 02/26/1963	Rev Date: 11/29/1984
Description: Installation of swept vertical tail.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA26SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Aerodynamic clean-up, cabin sound- proofing, new interior and cooling duct changes.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA285SO	Status: Current	App Date:	Rev Date: 11/29/1984
Description: Installation of Lycoming IO-540- A1A5 powerplants and Hartzell HCA3XK-2B/7636D propellers.
TC Nos.: 3A25
Models: The Cessna Aircraft Company320, 320-1
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2206 Palomar Airport Road, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3485WE	Status: Current	App Date: 06/28/1977	Rev Date: 04/26/1993
Description: Installation of Continental TSIO-520-N or TSIO-520-NB engines and increase takeoff power to 310 h.p.
TC Nos.: 3A25
Models: The Cessna Aircraft Company340
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2386 Palomar Airport Road, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3682WE	Status: Current	App Date:	Rev Date: 07/12/1978
Description: Installation of Continental TSIO-520-N engine and associated installation components.
TC Nos.: A7CE
Models: The Cessna Aircraft Company414
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2386 Palomar Airport Road, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3881WP	Status: Current	App Date:	Rev Date: 01/07/1982
Description: Installation of dual elevator trim tab actuator.
TC Nos.: A7CE
Models: The Cessna Aircraft Company421B, 421C
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2386 Palomar Airport Road, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4365WE	Status: Current	App Date:	Rev Date: 09/15/1981
Description: Installation of an air conditioning system.
TC Nos.: A7CE
Models: The Cessna Aircraft Company421B, 421C
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4526NM	Status: Current	App Date: 11/28/1988	Rev Date: 01/27/1989
Description: Limited to installation on serial number P3370109 ONLY. Installation of intercoolers in air induction system of both engines.
TC Nos.: A6CE
Models: The Cessna Aircraft CompanyT337G
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA6SO	Status: Current	App Date: 01/08/1962	Rev Date: 11/29/1984
Description: Installation of window on each side of cabin between F.S. 89.25 and 109.375.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C, 310D
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA76SO	Status: Current	App Date: 07/30/1963	Rev Date: 11/29/1984
Description: Installation of two (2) R.H. and two (2) L.H. single seats and enlarged emergency exit.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310, 310B, 310C, 310D
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2016 Palomar Airport Rd, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE1908SW	Status: Current	App Date: 05/31/1974	Rev Date: 11/29/1984
Description: Conversion of TSIO-520-K to TSIO-520-J.
TC Nos.: E8CE
Models: Continental Motors IncTSIO-520-K
ACO: AIR-770: West Certification Branch LA

STC Holder: Riley Aircraft Corp 2206 Palomar Airport Road, Carlsbad, CA 92008, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE4527NM	Status: Current	App Date: 11/28/1988	Rev Date: 01/27/1989
Description: Limited to installation on serial numbers 230735 and 230678 ONLY. Intallation of an intercooler in engine air induction system.
TC Nos.: E9CE
Models: Teledyne Continental MotorsTSIO-360-C
ACO: AIR-770: West Certification Branch LA