Purpose-built glider with pressurised cabin.

Specifications:

Crew: 2
Cabin Pressure: 8.5psi (14,000ft)
Gross Weight 1700 LBS
Empty Weight 1100 LBS
Wing Span 84 ft (25m)
Wing Area 262 ft2
Length 32.8 ft
Horizontal Span 10.7 ft
Vertical Height 6.0 ft

Equipment:

High altitude mechanical altimeters
High altitude radar transponder
Dual-redundant oxygen rebreathers
Drogue chute for high altitude emergency descent
Ballistic chute for low altitude emergency descent
Instrumentation and lighting to fly at night
Data loggers to validate world record
Scientific instrumentation
Tail camera to assist landing
Lithium-ion rechargable batteries

Performance: