The upgraded and highly modified 747-200 jet, the E-4B seen here arriving in the UK for the RIAT airshow 2022.

E-4B - one built 75-0125 and equipped with 52,500-lb CF6-50E2 engines. Has nuclear electromagnetic pulse protection, nuclear and thermal effects shielding, advanced electronics, and a wide variety of communications equipment.

Performance

Maximum speed: 523 kn (602 mph, 969 km/h)
Cruise speed: 483 kn (556 mph, 895 km/h) / M0.84
Range: 6,200 nmi (7,100 mi, 11,500 km)
Endurance: 150+ hours (with refuelling)
Service ceiling: 45,000 ft (14,000 m)
Wing loading: 150 lb/sq ft (730 kg/m2)
Thrust/weight: 0.26

свернуть