MIL-DTL-5421C, DETAIL SPECIFICATION: TUBES, PITOT, ELECTRICALLY HEATED, AIRCRAFT (13 JUL 2007) [SUPERSEDING MIL-T-5421B]

MIL-DTL-5421C, DETAIL SPECIFICATION: TUBES, PITOT, ELECTRICALLY HEATED, AIRCRAFT (13 JUL 2007) [SUPERSEDING MIL-T-5421B]., This specification covers all types of two-wire electrically heated pitot tubes for use with airspeed indicators.