I'm gonna guess Piper Cheyenne based on the left control column... obviously turbine, but I didnt realize that these were capable of flying at 34,000 feet. What sort of speed would they achieve at that altitude?
This is from Google/Wiki for the PA34T.
Performance
Maximum speed: 326 mph (525 km/h, 283 knots) at 11,000 ft (3,360 m)
Cruise speed: 244 mph (393 km/h, 212 knots) at 25,000 ft (7,600 m)
Stall speed: 88 mph (142 km/h, 77 knots) (flaps down)
Range: 1,702 mi (2,739 km, 1,478 nmi) (econ cruise, 45 min reserves)
Service ceiling: 29,000 ft (8,840 m)
Rate of climb: 2,800 ft/min (14.2 m/s)
Mutt