ATA 30 Ice and Rain
ATA 30 Ice and Rain
ATA 30 Ice and Rain
- WING & ENGINES USE HOT BLEED AIR TO PREVENT ICE FORMATION
- AIR DATA PROBES USE ELECTRIC HEAT
- FLIGHT COMPARTEMNT USE ELECTRIC HEAT
- WATER & WASTE USE ELECTRIC HEAT
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
WING ANTI-ICE USES HOT ENGINE BLEED AIR FOR BOTH USE ON THE GROUND AND IN
THE AIR.
BLEED AIR TO THE ENGINE INLET COWLS IS INHIBITED DURING TAKE-OFF TO CONSERVE
ENGINE THRUST. THERE ARE MICROSWITCHES INSTALLED ON THE AUTOTHROTTLE
SWITCHPACK.
THERE IS A BIMETALLIC WTAI OVERHEAT SWITCH TO CLOSE THE WTAI SHUTOFF VALVE
WHEN TEMPERATURE EXCEEDS 125C. PROTECTION ONLY OPERATES ON THE GROUND.
THE WTAI SOLENOID BLEEDS ACTUATOR PRESSURE FROM THE PRECOOLER CONTROL
VALVE. THIS CAUSES THE PRECOOLER CONTROL VALVE TO FULLY OPEN AND GIVE
MAXIMUM COOLING TO THE ENGINE BLEED AIR AND PROTECT THE WING LEADING
EDGES ON THE GROUND ONLY.
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
EACH ENGINE SUPPLIES ITS OWN SOURCE OF TAI WHICH VENTS OVERBOARD AT THE
BOTTOM OF THE COWL.
A TAI PRESSURE SWITCH MONITORS THE PRESSURE DOWNSTREAM OF THE ANTI ICING
VALVE. IF PRESSURE EXCEEDS 65PSI THE AMBER LIGHT ON THE P5 AND MASTER
CAUTION WILL ILLUMINATE.
THE POSITION OF THE ENG TAI IS DISPLAYED ON THE CDS IN GREEN OR YELLOW.
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
PROBE ANTI ICING SUPPLIES ELECTRIC HEAT TO
ANGLE OF ATTACK SENSOR / ALPHA VANE SENSOR (2)
TOTAL AIR TEMPERATURE (TAT)
PITOT PROBES (5)
IF AMBER PROBE HEAT LIGHT ILLUMINATES THE RELATED PROBE IS NOT DRAWING
POWER.
EACH PROBE USES 115VAC FOR POWER AND 28VDC FOR CURRENT DETECTION.
THE AOA SENSOR HAS 2 INTEGRAL HEATERS FOR THE VANE AND THE CASE BUT THE
CASE DOES NOT HAVE CURRENT DETECTION
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
RYR 737NG HAVE ANTI-ICING FOR WINDOW 1L & 1R AND ALSO 2L & 2R. HEATING
ALSO IMPROVES WINDOW IMPACT STRENGTH.
WINDOW 1L & 1R HAVE A PRIMARY TEMP SENSOR AND A SPARE TEMP SENSOR. YOU
CAN SWICTH FROM PRIMARY TO SPARE BY MOVING A SWITCH IN THE E&E COMPT.. ON
THE E4 STANCHION.
FOR 2L & 2R YOU MUST MOVE A TERMINAL ON THE WINDOW UNIT.
WHEN THERE IS CURRENT FLOW TO A WINDOW THE GREEN ‘ON’ LIGHT ILLUMINATES
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
THE WINDSHIELD WIPER SYSTEM REMOVES RAIN, SLEET &SNOW FROM THE 1L & 1R
WINDOWS ONLY.
2 CONTROL SWITCHES ON THE P5 PANEL FOR PARK, INT, LOW & HIGH.
EACH WINDSHIELD WIPER HAS 28VDC MOTOR DRIVE CONNECTED TO A WIPER AND
WIPER BLADE.
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
THE WATER AND TOILET DRAIN ANTI-ICE SYSTEM PREVENTS ICE FORMATION FOR
POTABLE WATER SYSTEM SERVICE AND SUPPLY COMPONENTS
GRAY WATER SYSTEM COMPONENTS
VACUUM WASTE SYSTEM DRAIN AND SERVICE COMPONENTS
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
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ICE AND RAIN ATA 30 B737 NG 2012 Type Course
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