| 摘要 |
A key ring ( 160 ) is attached by a lanyard to part of an air craft. Upon the air crew ejecting a leash retains the pull pin ( 120 ) within the air craft to remove the pin from the housing ( 140 ). This activates a personal locator beacon. Removal of the pin ( 120 ) allows a plunger switch extending upwardly from the locator beacon to be released to activate the beacon. |
