90. Submarine Identification Flares Mk 11 and Mods are similar in all respects to Submar-ine Identification Flares Mk 10 and Mods, except that the Flares Mk 11 burn intermittent-ly, while Flares Mk 10 burn continously.

Instructions for the operation, stowage, and safety precautions applicable to Submarine Identification Flare Mk 10, apply to Submarine Identification Flare Mk 11 and Mods.

(a) Submarine Identification Flare Mk 11 is marked with RED mark and burns in four incre-ments of ten seconds with a RED flare and with fice-second blackouts between the first, second, third, and fourth ten-second periods of burning.

(b) Submarine Identification Flare Mk 11 Mod 1 is marked GREEN and burns exactly as in (a) above, except that the signal light will be GREEN.

(c) Submarine Identification Flare Mk 11 Mod 2 is similar for those above in (a) and (b), except that it is marked YELLOW and burns with a YELLOW flame.

Packing

91. Submarine Identification Flare Mk 11 is packed in wood containers similar to those in which Submarine Identification Flare Mk 10 is packed. Each flare is marked for identifica-tion.

Figure 35. – Submarine Identification Flares Mks 10, 11, and 12, and Mods