Navigation Control Unit (NCU)

Technical Information

Catalogue No: C0044
Category: Navigation/Inertial
Object Type: Control/Data Entry
Object Name: Navigation Control Unit (NCU)
Part No: 25-003-03
Serial No: 253
Manufacturer: Elliott Bros
Division: Unknown
Platform(s): Jaguar 
Year of Manufacture: circa 1975
Width (mm):
Height (mm):
Depth (mm):
Weight (g):
Location: Archive Object Store

N.C.U. (Front)
Type No. 25-003-03
Ref No [NSN] 6JA/6605-99-111-8584
Ser No. 253
Code No K0656
Modification Record 1 to 5
DL Iss 12
Drg 7916-00010 Iss 3
Ser No 259
Control Panel Assy
S.N. 250
DL Iss 10
Mod Record 1, 2 & 3
75 CSK 15820
7500-00054 DL Iss 4
S N. 227
Mod Record 1
MRB 275/40607
EBLR 1/83


The Jaguar Navigation and Weapon Aiming Sub-System NAVWASS comprised the MCS920M central digital computer, E3R inertial platform, projected map display and horizontal situation indicator together with the necessary power supply, electronic, interface and the Navigation and Control Unit (NCU).
The NCU is a small compact unit, complete with its own power supply providing both Control and Display facilities to the navigation system operator. The unit operates in conjunction with the Projected Map Display. The facilities offered include, switch-on, alignment, waypoint setting and selection, fixed and reversionary operation. The NCU also provides readout of navigation data and indication of system malfunction. 12 waypoints can be inserted as well as information such as wind, offsets and heading. 20 quantities can be displayed including latitude, longitude, heading, ground-speed and magnetic variation.

The product is referenced in Company brochures as early as 1970.

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