Smoke Signal Mk 7Single-Star, Red, M73 (Obsolete)
U.S. EXPLOSIVE ORDNANCE
PART 3 - PYROTECHNICS
Chapter 8 - AIRCRAFT PYROTECHNICS
Section 1 - PISTOL AND HAND-SIZE SIGNALS

Two-Star, Red, AN-M75

Length, inches

5.0

Diameter, inches

1.125

Altitude, feet

100 - 200

Burning time, seconds

6 - 8

Color

Red

Use: This distress singls is used as an emergency rescue signal.

Description: The signal is contained in a cylinder which houses the stars and the fir-ing mechanism. This mechanism consists of a pull release fork and a spring-loaded firing pin.

Operation: The tape is removed from the top cover and the cover is removed. The release fork is pulled; the firing pin is released and hits the primer, initiating the delay. After two to four seconds, the first red star is ejected, and after three to five seconds the second red star is ejected.

Remarks: This signal is not procured by the Navy.

Figure 174A. Distress Signal, Two-Star, Red, AN-M75

Smoke Signal Mk 7Single-Star, Red, M73 (Obsolete)