STC Lists

FAA Approved Model List [pdf]

NEW! EASA Approved Model List[pdf]

EASA STC List [pdf]

Transport Canada STC List [pdf]

UPDATED: Rotorcraft STC List



Helicopter STCs

Bell 206

Eurocopter AS350

Robinson R44/R44 II (Western Avionics)

Eurocopter 120B (Motorflug STC)

Enstrom Helicopter STC


FAA Technical Standard Orders

TSO-C2d Airspeed Instruments

TSO-C3d Turn and Slip Instrument

TSO-C4c Bank and Pitch Instruments

TSO-C6d Direction Instrument Magnetic (Gyroscopically Stabilized)

TSO-C8d Vertical Velocity Instrument (Rate-of-Climb)

TSO-C10b Altitude Pressure Activated Sensitive Type

TSO-C106 Air Data Computer

TSO–C113 Airborne Multipurpose Electronic Displays


EASA Technical Standard Orders (ETSO)

C2D Airspeed Instruments

C3D Turn and Slip Instrument

C4C Bank and Pitch Instruments

C6D Direction Instrument Magnetic (Gyroscopically Stabilized)

C8D Vertical Velocity Instrument (Rate-of-Climb)

C10B Altitude Pressure Activated Sensitive Type

C106 Air Data Computer

C113 Airborne Multipurpose Electronic Displays



RTCA DO-178B Level C

RTCA DO-178B Level B (for EFD1000C3 Pro PFD Class III product)




Integration Specifications

Navigation Sources

Dual ARINC 429 GPS

Dual VHF navigation radios

Single RS-232 GPS

Radar altimeter Decision Height (DH) annunciation


Autopilot and Flight Director Support


  Autopilot Flight Director Notes
300, 400, 800 series Yes Yes, some versions 3
1000 Yes Yes 4
KAP 100, 150 Yes No 3,7
KAP 140 Yes No 3
KFC 150, 200, 225, 250(3" gyro) Yes Yes 3,7
KFC 250(4" gyro), 275, 300, 325 No No 4
M4C, M4D Yes M4D only 4,5
FCS810, FCS870 Yes No 3
I, II, III, 21, 31 Yes No 3,7
IV, 41, 2000, 4000, Triden Yes Yes, some versions 3,7
APS-65, 80, 85 Yes Yes 4
AP-104, 105, 106, 107 Yes Yes 4
20, 30, 40, 50, 55, 55X, 60, 60-2, 65 Yes 55, 55X, 60-2 and 65 only 3
SPZ-200A, SPZ-500 No No 4
AP100, Sorcerer Yes No  
Digi-Trak No No 6
1. Some attitude based autopilots may require existing attitude indicator
2. Some rate based autopilots may require existing turn coordinator indicator
3. Requires ACU
4. Requires ACU2
5. M4D require compatibility with FD112
6. This AP uses a direct connection to the GPS navigator and does not replace existing attitude reference
7. Eligible for use with EA100