TM 1-1520-238-10
3-4
Change 3
Table 3-1.
Communication/Navigation Equipment – continued
Equipment
Remarks
Control
Location
Range
Use
Nomenclature
(DNS)
AN/ASN-137
Provides present
position or destination
navigation information
in latitude and
longitude (degrees
and minutes) or
(UTM) coordinates.
Not applicable CPG right
console
(CDU)
IP-1552/G CDU
Provides controls and
displays for operation
of the AN/ASN-137
DNS.
Not applicable CPG right
console
(IFF)
AN/APX 100(V)
Transmits a specially
coded reply to a
ground based IFF
radar interrogator
system.
Line of sight
Pilot right
console
Absolute Altimeter
AN/APN-209
Measures absolute
altitude.
0 to 1500 feet
above ground
level
Pilot right
instrument
panel
(HARS)
Senses helicopter
attitude and motion to
define roll, pitch,
heading, and flight
path.
Not applicable Pilot right
instrument
panel
Data Transfer
Receptacle (DTR)
DR-902B
Autoloading of
mission data
Not applicable CPG right
console
Embedded Global
Positioning System
Inertial Navigation Unit
(EGI)
CN-1689(V)1/ASN
Provides present
position or destination
navigation information
in latitude and
longitude (degrees
and minutes) or
(UTM) coordinates.
Not applicable CPG right
console
(CDU)
