MIL-R-81367, MILITARY SPECIFICATION: RAIN REMOVAL SYSTEM, AIRCRAFT WINDSHIELD, JET AIR BLAST (04-APR-1966)
MIL-R-81367, MILITARY SPECIFICATION: RAIN REMOVAL SYSTEM, AIRCRAFT WINDSHIELD, JET AIR BLAST (04-APR-1966)., This specification covers jet air blast rain removal systems for use on the windshields of manned aircraft.