Whats your boating emergency signal device? A whistle?
Get a Falcon Push Button Air Horn. 100% ozone friendly and non-flammable - 120 dB heard 1/2 km away. Includes compact 8 oz replaceable canister. Gives over 60 blasts. 7.5 " long when assembled & only 5" when stowed. Meets CCG reg's for small watercraft including sail and kayak less than 65 ft. New condition & never used. MSRP $40 incl GST (see weblink). Asking only $10. Offers?? Phone for appointment.