ATA 10/52

Use of Emergency Exit Door Wedge Locks
Operators concerned with protecting their Westwind or Astra may choose to secure the cabin emergencyexit doors using the lock wedges supplied as loose equipment with a new aircraft. The lock wedge is a simplewooden device that is inserted on the lower surface of the inner door release handle with the notch of the wedgepointing downward. When properly installed, the wedge will prevent opening of the exit from outside theaircraft. After inserting the wedge, double-check its security by testing the outside handle to be sure the wedgeis doing its job.