US Army Technical Manual, OPERATOR'S MANUAL FOR, UH-60A HELICOPTER, UH-60L HELICOPTER, EH-60A HELICOPTER, TM 1-1520-237-10, 1996

US Army Technical Manual, OPERATOR’S MANUAL FOR, UH-60A HELICOPTER, UH-60L HELICOPTER, EH-60A HELICOPTER, TM 1-1520-237-10, 1996

GENERAL.
These instructions are for use by the operator. They apply
to UH-60A, UH-60L, and EH-60A helicopters.

UH-60A. UH?60A
The UH-60A (BLACK HAWK) (Figure 2-1) is a twin
turbine engine, single rotor, semimonocoque fuselage, rotary
wing helicopter. Primary mission capability of the helicopter
is tactical transport of troops, supplies and equipment.
Secondary missions include training, mobilization,
development of new and improved concepts, and support of
disaster relief. The main rotor system has four blades made
of titanium/fiberglass. The drive train consists of a main
transmission, intermediate gear box and tail rotor gear box
with interconnecting shafts. The propulsion system has two
T700-GE-700 engines operating in parallel. The nonretractable
landing gear consists of the main landing gear and a
tailwheel. The armament consists of two 7.62 mm machineguns,
one on each side of the helicopter in the forward
cabin. Detailed descriptions of these systems are given in
these chapters. For additional weight information, refer to
Chapters 5, 6, and 7. Kit installations for the helicopter
consist of range extension tanks, rescue hoist, medical
evacuation, infrared suppression, blade anti-icing/deicing,
blackout devices, snow skis, winterization and static/
rappelling kit. Refer to this chapter and Chapter 4 for kit
descriptions.

2.3 UH-60L. UH?60L
The UH-60L helicopter is the same as the UH-60A helicopter
except engines T700-GE-701C replace T700-GE-
700. The main transmission is replaced by an improved
durability gearbox (IDGB).

EH-60A. EH
The EH-60A helicopter is a modified UH-60A (Figure
2-1) with a crew of four. The Mission equipment consists
of electronic systems with modifications that will ensure
that the mission requirements are met. The EH-60A system
includes air conditioning, helicopter survivability equipment,
and avionics equipment. An electronics compartment
within the transition section is used for avionics equipment.
The compartment can be entered from the right side of the
helicopter. The mission systems employ two operators: The
DF (ESM) operator controlling the electronics surveillance
functions, and the electronics countermeasure (ECM) operator
controlling the active countermeasure functions. The
EH-60A can operate independently or in conjunction with
up to two additional, similarly equipped, aircraft. When
operating in the multisystem mode, secured air-to-air communications
are provided for automatic tasking between
aircraft. Secured air-to-ground communications are also
provided for voice reporting purposes.