MIL-PRF-52955D
a. Utility Truck: Cargo/Troop carrier, 1-1/4 ton, 4 x 4, M998
b. Truck, Utility: Heavy Variant, 10,300 GVW, 4 x 4, M1123
c. Truck, Utility: Expanded Capacity, Armament Carrier, IAP/Armor Ready, M1151A1,
with and without B-kit perimeter armor installed.
d. Truck, Utility: Expanded Capacity, Enhanced, IAP/Armor Ready, M1152A1, with and
without B-kit perimeter armor installed.
e. Carrier, cargo, 1-1/2 Ton, M973 Small Unit Support Vehicle (SUSV).
3.4.1.1.2 Transport aircraft. IPADS installed in a ground host vehicle shall be transportable
when sling hoisted by the aircraft listed below. When transported, IPADS may be non-operating
or operating from its backup batteries and the ground vehicle batteries.
a. Aircraft, Rotary Wing, Cargo-Transport: CH-46, CH-47 and CH-53.
3.4.1.1.3 GPS antenna. The GPS antenna shall be mounted so that it has clear sky
visibility. The antenna and mount shall be retained in place throughout the full range of vehicle
dynamics. The antenna, cable and mount shall not be damaged and shall be retained in place
during and after contact with foliage, brush, etc.
Power interface.
3.4.2
3.4.2.1 Ground vehicle power. IPADS shall function as specified herein when provided
with power from a vehicle power system meeting the requirements of MIL-STD-1275 under
fault free and single fault conditions.
3.4.2.1.1 Multiple fault conditions. IPADS shall not be damaged by multiple fault
malfunction of the host vehicle power system as specified in MIL-STD-1275.
3.4.2.1.2 Power connection. IPADS shall obtain power from the host vehicle battery or
other available terminals. IPADS also shall be capable of obtaining power from the host vehicle
NATO receptacle, where available.
Reverse polarity. IPADS shall not be damaged from reverse polarity connection of
3.4.2.2
DC power.
3.4.2.3 Power consumption. IPADS shall consume no more than 150 watts from the host
vehicle, including any power required to (re)charge IPADS batteries.
3.4.2.4 Power disconnect. IPADS shall provide a capability to draw no power from the
host vehicle without disconnecting cables or removing fuses.
3.4.3 Digital interfaces.
3.4.3.1 Digital data interface. IPADS shall exchange digital data with an external host
system, such as the Forward Observer System (FOS), over a serial data interface. Interface
characteristics, data protocols, and messages shall be in accordance with FSS-SS-0011-ICD.
IPADS shall include a digital interface cable that connects to the connectors identified in FSS-
SS-0011-ICD.
3.4.3.1.1 Hot connect/disconnect. IPADS shall not be damaged or cause damage to the host
system and IPADS operation shall not be interrupted when the serial data interface is connected
and disconnected while IPADS is operating. No operator action shall be required to establish
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