gptkbp:instanceOf
|
military aircraft
|
gptkbp:air_traffic_control
|
yes
|
gptkbp:aircraft
|
gptkb:E-4B
gptkb:Boeing_747
secure communications
redundant systems
wide-body aircraft
self-defense capabilities
strategic command and control
airborne operations center
modified_747-200
|
gptkbp:built
|
4
|
gptkbp:communicationEquipment
|
advanced satellite communications
|
gptkbp:countermeasures
|
electronic countermeasures
|
gptkbp:crew
|
pilot
co-pilot
flight engineer
up to 75
mission crew
|
gptkbp:deployedTo
|
during national emergencies
|
gptkbp:engineType
|
gptkb:CF6-50
|
gptkbp:firstFlight
|
1974
|
gptkbp:fuel_capacity
|
50,000 lb
|
gptkbp:height
|
58 ft 9 in
|
https://www.w3.org/2000/01/rdf-schema#label
|
E-4B Nightwatch
|
gptkbp:introduced
|
1980
|
gptkbp:length
|
165 ft 2 in
|
gptkbp:maintenance
|
Boeing_maintenance_support
|
gptkbp:manufacturer
|
gptkb:Boeing
|
gptkbp:maximum_speed
|
0.85 Mach
|
gptkbp:maxTakeoffWeight
|
800,000 lb
|
gptkbp:modifications
|
military modifications
|
gptkbp:navigationEquipment
|
inertial navigation system
|
gptkbp:nickname
|
Nightwatch
|
gptkbp:operational_status
|
1980s
active
|
gptkbp:operationalHistory
|
gptkb:Cold_War
gptkb:Gulf_War
War on Terror
|
gptkbp:operationalRange
|
unrefueled
|
gptkbp:operationalStatus
|
gptkb:U.S._Strategic_Command
|
gptkbp:primaryUser
|
gptkb:United_States_Air_Force
|
gptkbp:radar
|
AN/APY-2
|
gptkbp:range
|
12,000 km
|
gptkbp:role
|
nuclear command and control
command post
|
gptkbp:secondary_mission
|
command and control
strategic airlift
|
gptkbp:service_ceiling
|
45,000 ft
|
gptkbp:successor
|
gptkb:E-6_Mercury
|
gptkbp:supportRole
|
presidential support
|
gptkbp:survivability
|
hardened against nuclear attack
|
gptkbp:training
|
crew training programs
|
gptkbp:variant
|
gptkb:E-4A
|
gptkbp:wingspan
|
195 ft 8 in
|