H 60

In combat, troop seats are usually removed to allow for faster egress and to provide morę space for extra weapons and gear. Thls UH-60A of the 101 st Airborne Division (Air Assault) has the standard exhaust and carries an ALCM44 IR Jammer (Disco Light) on the upper fuselage. (Mikę Oldfield via Dana Ravenberg)

This UH-60A Black Hawk has the Cruise IR Suppressor system installed over the engine exhausts. This system only worked to suppress the engine’s IR signature when the aircraft had a forward speed of at least eighty knots. (Thomas Gruenewald)

A UH-60A from the 3rd Armored Division cruises over one of the many beautif ul smali villages in Germany. This Black Hawk is equipped with the Hover Infrared Suppression System (HIRSS) which reduces engine IR signature in all flight profiles. (James H. Smith)

IR Protection Development

UH-60A

(Early)

UH-60A With IR Cruise Suppressor

ALQ-144 IR Jammer

Unshielded

Exhaust

Shielded Air Intake

Brace

	-N		—
	>-i		i-s

RAM Air Intake (For Cooling Air)

Enlarged Air Intake (For Cooling Air)

Shielded Exhaust

	-■		•-
	-1

UH-60A

(Late)

Hover IR Suppressor Subsystem (HIRSS)

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