The X-scope also includes a wee flashlight, a signal whistle, and directional compass.
2.
Mackey gave a short blast of his ship's signal whistle to indicate that he had the right of way, but was met with two short blasts from " Imo ", indicating that the approaching vessel would not yield her position.
3.
A survival kit was also placed on board to assist Glenn while waiting for recovery after splashdown including : desalter kits, dye marker, distress signal, signal mirrors, signal whistle, first aid kits, shark chaser, a PK-2 raft, survival rations, matches, and a radio transceiver.
4.
Along his escape route, he took refuge with Chinese soldiers, but his party was discovered when they passed by the Patang Lamasary; after the Tibetans heard of their presence, the Tibetans blew a " signal whistle " to alert everyone to their presence in the area.