Helicopter Flight Training Sponsors

Tag: Aircraft Maintenance


Maintenance Minute - EC135 Blue Light Special

Posted by jhadmin

Troubleshooting an intermittent yaw caution light with the autopilot and FCDS installed can be a pain sometimes. Since both the yaw SAS SEMA and the yaw autopilot SEMA are mounted on the same control tube at the Fenestron, the yaw SEMA 1 can influence yaw SEMA 2, or vice versa. The trick is to separate the systems by turning off the autopilot and pulling into hover; if the yaw light indication returns, it should be the yaw SEMA 2. If not, it should be yaw SEMA 1. [Read More...]

Tags: Aircraft Maintenance Helicopter Maintenance Maintenance Minute SEMA yaw autopilot
Categories: categoryHelicopter Sectors

Related Articles