P-series helmets in French Air Force

Message 1114:
Hi All, Another P- series modification came to light while studying my copies of French AF manuals. The French have used (at some point in time (1957)) the P-3 series helmet. For this helmet the French adapted their own visor kit. This looks like the American version, but has a release handle on top. This visor kit is called the Type 541.1. made by L'Optique Scientifique. The Type 541.2 and 541.3 also exist but were used on the Gueneau Type 31 M1. Type 541.2 for the fighter pilot (visor at an 48 degree angle) and the Type 541.3 for the bomber/navigator (visor at an 70 degree angle). This has probably something to do with the use of a mask. For the fact sheets see the attachment. Bye HUD
451.1 datasheet, 451.2 datasheet