Hyperspectral Thermal Emission Spectrometer
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Currently HyTES flies on a Twin Otter and the ER2 aircraft. The Twin Otter is operated by Twin Otter International from Grand Junction, Colorado. The ER2 aircraft is operated by NASA's Armstrong Flight Research Center at Edwards, California.

Twin-Otter AircraftER2 Aircraft
twin-otter aircraft ER2 aircraft
aircraft aircraft
Twin-Otter AircraftER2 Aircraft
Range 2,000 Nmi Pixel Size 50 m
Airspeed 65kts Airspeed 410kts
Max Altitude 25,000ft Ceiling 70,000ft
Duration 5 hours (payload/weather dependent) Duration 8 hrs./3,800mi (max. flight altitude)
Power 5600W (200A MOD) or 8400W (300A MOD) Electric 28V DC and 400hz. AC
Onboard Operators 5 Seats 1 crew
FlightAware.com ER2 realtime
GulfStream 5 Aircraft
G5 aircraft
G5 payload
G5 Aircraft
Payload Capacity 8,100 lbs / 2,800 lbs (36,000 lbs  / 41,300 lbs of fuel)
Airspeed 507 knots at 41,000 feet (Max Mach .885)
Ceiling 51,000ft
Duration 10 hours / 12 hours (36,000 lbs / 41,300 lbs of fuel)
Power 115 VAC 60 Hz – 21 kVA 115 VAC 400 Hz – 20 kVA 28 VDC – 10 kW
Aircrew 2