Aerial distress marker

Details Aerial distress marker Aerial distress marker

1976-02-09

1977-08-30

Queisser, Richard C.

Signals and indicators

Bells

Gong type

116DIG8, 116DIG9, 244155R, 343 18B, G09F 2106

Patent

active

040447111

ABSTRACT:
A distress marker assembly in the form of an inflatable balloon fastened to a cylinder of compressed helium or hydrogen gas, with a flexible line fixed at one end to the cylinder and at the other end to an anchor unit. The anchor unit is shaped with a clasp for fastening to a fixed object or the person of the user, and formed with a pair of flexible clamp jaws through which the line is fed out to the balloon, when inflated. The balloon is marked with a distinctive color and with large letters spelling out S.O.S. The balloon contains a quantity of metal oxide powder to serve as a radar reflector.

REFERENCES:
patent: 2842090 (1958-07-01), Samwald
patent: 3068472 (1962-12-01), Dellaria
patent: 3721983 (1973-03-01), Sherer
patent: 3874325 (1975-04-01), Cocker
patent: 3938466 (1976-02-01), Cussman
patent: 3964427 (1976-06-01), Murphy

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