Integrated Helmet and Display Sight System

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A Pelican pilot with with a IHADSS display on their visor.

The Integrated Helmet and Display Sight System (IHADSS) is a computer system used by the designated gunner on D77 Pelican dropships (and presumably those of UH-144 Falcons[Note 1]). It determines where the gunner's eyes are focused and aims the M370 autocannons accordingly.[1][2]

See also[edit]


  1. ^ In Halo: Fireteam Raven, Falcon pilots are seen wearing the same helmet as their Halo 2 counterparts, which is equipped with this system.