190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page D-10
D.13 GSU 73
D.13.1 Environmental Specifications
Table D-13 lists general environmental specifications.
NOTE
The GSU 73 may require a warm-up period of 15 minutes to reach full air data accuracy
(30 minutes if the environmental temperature is less than 0°C).
D.13.2 Performance Information
The GSU 73 is capable of maneuvers through a range of 360° in bank and pitch. The rotation rate
capability is ±200° per second.
Bank error and pitch error are within 1.25° over the range of 30° bank, left and right, and 15° pitch nose
up and nose down. Heading is accurate to within 2° in straight and level flight.
Due to unsuitability of the magnetic fields near the Earth’s poles, operational accuracy is unknown in the
following regions:
1. North of 72° North latitude at all longitudes
2. South of 70° South latitude at all longitudes
3. North of 65° North latitude between longitude 75° W and 120° W (Northern Canada)
4. North of 70° North latitude between longitude 70° W and 128° W (Northern Canada)
5. North of 70° North latitude between longitude 85° E and 114° E (Northern Russia)
6. South of 55° South latitude between longitude 120° E and 165° E (Region South of
Australia and New Zealand)
Table D-13 GSU 73 Environmental Specifications
Characteristic Specification
Aircraft Pressure Altitude Range -1,400 feet to 50,000 Feet
Aircraft Vertical Speed Range -20,000 feet per minute to +20,000 feet per minute
Aircraft Airspeed Range 450 Knots
Aircraft Mach Range <1.00 Mach
Aircraft Total Air Temperature Range -85° C to +85° C
Unit Operating Temperature Range -40° C to +70° C
Max Outer Case Temperature +73° C
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