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Flight Terminator Trigger

Skycat Relay Terminator 2000px-.jpg
Skycat Relay Terminator 2000px.jpg
Skycat Relay Terminator 2000px-.jpg
Skycat Relay Terminator 2000px.jpg

Flight Terminator Trigger


Skycat Flight Terminator is a Trigger and Flight Terminator combined. It disconnects any low current power cable during eject, typically autopilot power cable (+ cable). Most modern ESC's shut motors down once signal from autopilot is lost. 

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Reliability is the first priority of the Skycat Flight Terminator. Autopilot will not shut down even in the case of a total power loss to the terminator, which is usually not the case with common electronic flight termination systems. The relay conducts power when it's in mechanical resting state, that is without controlling power.

When parachute is ejected, electricity is conducted to the launcher's Fuse® release mechanism and to the relay at the same time.

The relay can handle max. 10A / 12V and it is manufacturer by Bosch, a German quality manufacturer of reliable and prooven relays most common in the automotive industry.


  • Parachute battery: 3S - 4S
  • Relay voltage range 8 - 16 V
  • Receiver voltage range: 4.9 V - 6.1 V
  • Receiver wire length: 15 cm / 5.9 in
  • Weight 60 grams / 30 cm AWG14 wires

Before using this Flight Terminator, always check how your aircraft's ESCs behave when autopilot power cable is disconnected. Some ESCs shut down immediately, while others may have delay or keep running in failsafe mode.

Launches in this video are done with the Skycat Flight Terminator: