The CAF has flown FiFi, a B-29, in a few times that I’m aware of. I believe she is one of the two last flying B-29’s left.
Edit: Quick check shows she is the last B-29 still flying though there’s another, “Doc" being restored in Wichita.
"They" may have gotten a waiver to fly into RVS.
http://en.wikipedia.org/wiki/Boeing_B-29_SuperfortressSpecifications (B-29)
Data from Quest for Performance[58]
General characteristics
Crew: 11 (Pilot(A/C), Co-pilot(P), Bombardier(B), Flight Engineer(FE), Navigator(N), Radio Operator(RO), Radar Observer(Rad Ob), Right Gunner(RG), Left Gunner(LG) Central Fire Control(CFC), Tail Gunner(TG))
Length: 99 ft 0 in (30.18 m)
Wingspan: 141 ft 3 in (43.06 m)
Height: 27 ft 9 in (8.45 m)
Wing area: 1,736 sq ft (161.3 m²)
Aspect ratio: 11.50
Empty weight: 74,500 lb (33,800 kg)
Loaded weight: 120,000 lb (54,000 kg)
Max. takeoff weight: 133,500 lb (60,560 kg) ; 135,000 lb plus combat load Powerplant: 4 × Wright R-3350-23 and 23A Duplex Cyclone turbosupercharged radial engines, 2,200 hp (1,640 kW) each
Zero-lift drag coefficient: 0.0241
Drag area: 41.16 ft² (3.82 m²)
Performance
Maximum speed: 357 mph (310 knots, 574 km/h)
Cruise speed: 220 mph (190 knots, 350 km/h)
Stall speed: 105 mph (91 knots, 170 km/h)
Combat range: 3,250 mi (2,820 nmi, 5,230 km)
Ferry range: 5,600 mi(4,900 nmi, 9,000 km, [59])
Service ceiling: 31850 ft [20] (9,710 m)
Rate of climb: 900 ft/min (4.6 m/s)
Wing loading: 69.12 lb/sqft (337 kg/m²)
Power/mass: 0.073 hp/lb (121 W/kg)
Lift-to-drag ratio: 16.8
Armament
Guns:
10× .50 caliber (12.7mm) Browning M2/ANs in remote-controlled turrets.[60]
2× .50 BMG in and 1× 20 mm M2 cannon in tail position (the cannon was later removed)[N 11]
Bombs: 20,000 lb (9,000 kg) standard loadout.[61]