U.S. NAVY / MARINES
1931
1. June
SR-2
"Secification for Aircraft Inignia and Markings"
Color identification for piping system
| Fuel System |
 |
Orange |
| Lubrication System |
 |
Yellow |
| Fire Extinguisher |
 |
Red |
Sources:
#101
| © | by Jens Popp |