TM 10-8415-206-12&P
Section II. EQUIPMENT DESCRIPTION
1-5. EQUIPMENT CHARACTERISTICS, CAPABILITIES AND FEATURES
a.
Purpose of Flyer's Protective Helmet, SPH-4:
Provides aircraft personnel with eye, crash, and noise protection and a means for radio communication.
b.
Capabilities and Features:
(1)
Hand portable or stows in aircraft.
(2)
Integrated communications equipment.
(3)
Retractable shatter resistant visor in neutral or clear.
(4)
Buckle adjustments for fitting.
(5)
All weather operational.
(6)
Extra snap fasteners incorporated for attachment of oxygen mask.
c.
Laser Protective Visors:
Laser Protective Visors (LPVs) for the SPH-4 flyer's helmet consist of two visor assemblies; a light laser
protective visor assembly (green color) for night use, and a dark laser protective visor assembly (amber
color) for day use. The light LPV provides protection against ruby and neodymium type lasers, the dark
LPV provides protection against three types of lasers, including ruby and neodymium. The visors are
intended to be used, one at a time, with the SPH-4 flyers helmet standard single visor housing, the Anvis
visor housing, or the AH-1 helmet sight assembly. The LPVs are intended to be replacements for the
standard clear and neutral gray visors in a laser hazardous flight scenario.
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