Ice And Rain Flashcards
What condition would cause an amber “PITOT HT FAIL” message to be displayed on the CAS?
- Pitot heat switch selected OFF
- Pitot tube heater elements not energized
How is the engine intake area heated?
By using engine 12th stage HP air routed through the bleed air pressure-regulating valve to the engine cowl anti-ice valve.
If one of the wing anti-ice valves is inoperative, how does the system transfer wing heat from one side to the other?
Through an uncontrolled crossover duct
What is the minimum cowl anti-ice pressure?
4 psi
What is the maximum allowable speed for windshield wiper operation?
200 knots
If wing anti-ice is selected ON prior to takeoff, what is the effect on the autothrottle system?
The autothrottles would engage; however, it is not permissible to use theautothrottles for takeoff when wing anti-ice is used
If a crack occurs in an outer windshield ply, what is the effect on the windshield heat system?
The heat for the affected windshield will be inoperative
What is indicated by a blue “WING A/I, L-R” advisory CAS message?
Both wing anti-ice switches have been selected ON
If both bleed air switches are selected to OFF, what is the effect on the engine anti-ice system?
Engine anti-ice is not available with both bleed air switches OFF
When is cowl anti-ice required to be used on the ground?
During taxi and takeoff when the static air temperature is less than +10º C and visible moisture, wet runways, or precipitation is present
When is wing anti-ice required?
Operation of the Wing Anti-Ice System is required if icing conditions are imminent or immediately upon detection of ice formation on wings, winglets, or windshield edges.
What is indicated by a “WING WARM” advisory light on the overhead annunciator panel?
The wing has reached a temperature of 100º F
What is the limitation for continued flight with a cracked windshield?
- If the crack is in either main structural ply, reduce cabin differential to 7.5 psi for the remainder of flight
- Maintain current airspeed / mach or slower for remainder of flight
What is indicated by an amber left or right “WING HOT” CAS message?
The temperature of the respective wing has exceeded 180º F
The LOW COWL PRESS warning CAS message will occur when?
s/n 1000-1189 w/ ASC 243 and s/n 1190 and subs pressure drops below 4 psi (±1), after a 15s delay
NOTE: As long as the pressure is not lower than 4 psi, the aircraft will have enough bleed air to prevent ice formation.