Tactics & Equipment — Devices The 110' submarine chaser was a new class of vessel, and was equipped with a wide array of devices. This section contains information and photos on communications devices and other equipment on the chasers. C Tube Hydrophone CW-928 Radio Telephone Switchboard CW-933 Radio Tubes - Temperature Issue Life Raft Pelorus Radio Room Equipment Signal Light Testing the K-Tube for Night Scouting Wireless Telephone Training: Harry Tegler ‹ Taking on Fuel while Under Way up C Tube Hydrophone › Email this page