CONSTRUCTION. 1. Case is a sheet aluminum cylinder with base formed as part of the cylinder and with upper disc crimped to the body. The filling is contained in a ribbed plas-tic cylinder. (See fig. 83.)

Figure 83 – Smoke Signal Flare

2. Case is a sheet aluminum cylinder with both base and top plates crimped into the body. A lower and an upper spacer disc with hollow cylinders attached locate four perfo-rated aluminum tubes. A cardboard disc is painted with black powder and rests on the upper disc. A metal ring holds the cardboard and spacer disc in place. The filling is divi-ded into layers by discs. (See fig. 84.)

Figure 84 – Smoke Signal Flare A.R.D.R.

3. Case is a sheet aluminum cylinder. The base is a cement disc secured by four screws and retains the folding handles. The top plate is crimped into the body and the igniter is covered by a cap held in place by adhesive tape. Above the cement base disc are three pressed cylinders of flare composition which burn respectively red, white, and red. On top of the upper flare cylinder is a disc of ignition mixture. A cardboard washer above this is held in place by a metal cylinder. (See fig. 85.)

In all three types the igniter is held in place by two lock nuts. The closing disc of the flares may have one or more holes to emit smoke.

REMARKS. 1 and 2 are used as navigation aids by pilots; 3 is used as a distress signal.

COLOR. 1. Painted yellow; cap of igniter red; 2. Painted to indicate color of smoke, so far either red or violet; 3. Painted red with white paper strip around body at location of white flares.