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FOR SIMULATION USE ONLY ā NOT A TRAINING AID
ANTENNAS
Twelve antennas are mounted on and in the aircraft for navigation and
communication. The upper TCAS antenna is mounted to the top of the engine
cowling.
The upper UHF/transponder antenna is mounted on the upper fuselage aft of the
canopy. An antenna selector, located in the left avionics bay, provides automatic
switching between the upper UHF antenna and the VHF/UHF communications
antenna for optimum UHF transmission and reception.
The GPS antenna is mounted on the top of the vertical stabilizer. Two combination
NAV/ILS antennas are mounted one on each side of the vertical stabilizer.
The lower TCAS antenna, ATC transponder antenna, VHF/UHF COMM antenna, DME
antenna, and marker beacon antenna are mounted at the bottom of the fuselage.
The ELT antenna is mounted inside the dorsal fin.
PITOT STATIC SYSTEM
The aircraft has two independent pitot static systems to provide Mach/airspeed,
altitude, and vertical speed indications. The primary pitot system probe near the
right wing tip and two static ports on the aft fuselage (upper right-side port and
lower left-side port) provide the required pressures to the air data computer.
The secondary pitot probe is located near the left wing tip and the secondary static
pressure ports are on the aft fuselage (upper left-side port and lower right-side
port).
The pitot probes are protected from icing by electrical heating elements.
Pitot heat for both pitot probes is provided through the probes anti-ice switch,
placarded PROBES ANTI-ICE, on the engine/electrical switch panel in the front
cockpit.
A green ANTI ICE advisory on the EICAS display illuminates whenever the probes
anti-ice switch is used. No heating is provided for the static ports as the ports are
protected from icing by airframe location.
Power for pitot anti-ice heat is provided through a circuit breaker, placarded PITOT
HT, located on the generator bus circuit breaker panel in the front cockpit.
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