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M142 INTEGRATED HELMET AND DISPLAY SIGHT SYSTEM (IHADSS)

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M142 Integrated Helmet and Display Sight System (IHADSS)
bulletIntegrated Helmet System
bulletHelmet Display System
bulletHead Tracking System
bulletIHADSS line drawings

Note: A blue arrow Blue arrow indicates a line drawing that can be viewed and downloaded.
Picture of pilot wearing the IHADSS helmetIHADSS Helmet

The Honeywell M142 IHADSS is one of the World's leading integrated helmet systems. It is used on the U.S. Army AH-64A Apache, the AH-64D Apache Longbow, and the Italian Agusta A-129. The IHADSS has a 40° by 30° field of view in a monocular video-with-symbology viewing system. The helmet display enables NOE night navigation, or under adverse weather conditions, while the electro-optic head tracking system controls the movement of sensors and weapons.

 Drawing showing the helmet display systemHelmet Display System
IHADSS displays imagery from the Forward Looking Infrared (FLIR)/low light television and aircraft performance symbology.
bulletHDU - Helmet Display Unit
bulletDAP - Display Adjust Panel
bulletDEU - Display Electronic Unit
Drawing showing the head tracking systemHead Tracking System
IHADSS sighting controls (pointing) of the FLIR, television, weapons systems through movement of the pilot's head.
bulletIHU - Integrated Helmet Unit
bulletSSU - Sensor Surveying Unit
bulletSEU - Sight Electronic Unit
bulletBRU - Boresight Reticle Unit

M142 IHADSS line drawings
 Helmet Display Unit (HDU)
Blue arrow Helmet Shell, Receiver and Harness Assemblies
Blue arrow Helmet Display Unit (HDU) locator view
Blue arrow Sight Electronic Unit (SEU)/Display Electronic Unit (DEU) locator view
Blue arrow Integrated Helmet System locator view
Blue arrow Integrated Helmet System functional block diagram

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Revised07 Oct 2005.
 
 

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