Ice & Rain Protection

Question 1

AIRCRAFT PROTECTION IS PROVIDED BY:

Answer 1

ELECTRICAL HEATING AND PNEUMATIC SYSTEM

Question 2

ANTI ICING ELECTRICAL HEATING IS PROVIDED MAINLY BY ACW CURRENT FOR:

Answer 2

PROPELLER BLADES, WINDSHIELDS, PROBES, FLIGHT CONTROL HORNS

Question 3

ON THE DE-ICING PANEL, THE AIRFRAME AIR BLEED PB:

Answer 3

MUST BE IN, NO OFF LIGHT, IN ORDER TO OPERATE ENGINE AND WING STABILIZER
BOOTS

CAN BE OFF, OFF LIGHT ON, IN ORDER TO OPERATE ENGINE BOOTS (ENGINE DE-ICING
SELECTED ON)

Question 4

THE PURPOSE OF “AIRFRAME AIR BLEED” IS:

Answer 4

TO CONTROL DE-ICE AND ISOLATION VALVES FOR NORMAL OPERATION. PB PRESSED
BOTH DE-ICE AND ISOLATION VALVES ARE OPEN

TO PERMIT A DETECTION OF AN ENGINE OR AIRFRAME DE-ICE SYSTEM FAILURE

TO PERMIT A DETECTION OF AIRFRAME DE-ICE SYSTEM FAILURE

Question 5

BOTH, AIRFRAME AND ENGINE DE-ICING SELECTED ON, THEY ARE:

Answer 5

DE-ICED SEQUENTIALLY

Question 6

DE-ICING LIGHT ILLUMINATES ON MEMO PANEL WHEN:

Answer 6

AIRFRAME DE-ICING IS SELECTED ON

Question 7

MODE SEL AUTO IN “MAN” ON THE DE-ICING PANEL, WHEN SHOULD THE “MODE SEL PB” BE
“ON”:

Answer 7

IF SAT BELOW -20°C; CAUSES A CYCLE LENGTH OF 180 SEC

Question 8

CAN YOU USE THE “PNEUMATIC DE-ICING SYSTEM” WITH BOTH ENGINE BLEED VALVES
“OFF”, ENGINES RUNNING?

Answer 8

YES

Question 9

WITH ONE ENGINE INOPERATIVE, ARE BOTH SIDES OF THE “AIRFRAME DE-ICING SYSTEM”
SUPPLIED:

Answer 9

YES

Question 10

AIRCRAFT IN FLIGHT, IF THE “AAS” SYSTEM DETECTS ICE WHILE ICING “AOA” GREEN LIGHT IS
EXTINGUISHED:

Answer 10

THE AMBER ICING LIGHT ILLUMINATES FLASHING, MASTER CAUTION AND SINGLE CHIME

Question 11

AIRCRAFT IN FLIGHT, IF THE “AAS” SYSTEM DETECTS ICE, “AOA” GREEN LIGHT IS
ILLUMINATED:

Answer 11

THE AMBER ICING LIGHT ILLUMINATES STEADY, MASTER CAUTION AND SINGLE CHIME

Question 12

AIRCRAFT IN FLIGHT, WE NOTICE THE BLUE LIGHT “DE-ICING” FLASHES ON MEMO PANEL:

Answer 12

THE AIRFRAME DE-ICING SYSTEM IS STILL “ON” FIVE MINUTES AFTER THE LAST ICE
ACCRETION IS DETECTED BY THE AAS SYSTEM

Question 13

DE-ICING OVERRIDE “PB” IN “OVRD” POSITION:

Answer 13

BYPASSES THE MFC MODULES LOGIC AND A TIMING CYCLE OF 60 SEC IS SELECTED

IT IS USED ONLY WHEN ASSOCIATED FAULT LIGHT IS ILLUMINATED

Question 14

MODE SEL AUTO PB IN “MAN” POSITION:

Answer 14

DE-ICING MODE SEL PB IS OPERATIVE AND ALLOWS THE CREW TO SELECT THE
APPROPRIATE TIMING CYCLE, DEPENDING ON SAT

Question 15

NORMAL OPERATION, WHEN IS IT POSSIBLE TO USE PROPELLER ANTI-ICING:

Answer 15

ONLY WHEN NP ARE ABOVE 63%

Question 16

PROPELLER ANTI-ICING MODE SELECTOR SELECTED “ON”:

Answer 16

BLADES HEATING IS 20 SEC LONG ACCORDING TO A CYCLE OF 80 SEC

Question 17

STALL ALERT THRESHOLD IS REDUCED FROM NORMAL OPERATION TO ICING OPERATION AS
SOON AS:

Answer 17

AT LEAST ONE HORN ANTI-ICING IS SELECTED ON

Question 18

WHEN DOES THE GREEN LIGHT “AOA” DISAPPEAR?

Answer 18

MANUALLY BY DEPRESSING AOA GREEN LIGHT PB, AFTER IT IS VISUALLY CONFIRMED
THAT HE AIRCRAFT IS CLEAR OF ANY RESIDUAL ICE

Question 19

TO PREVENT FORMATION OF ICE ON AIR DATA SENSORS, ELECTRICAL PROBE HEATING IS
PROVIDED FOR:

Answer 19

CAPT, F/O, STBY PITOT TUBES (3) AND STATIC PORTS (6), CAPT AND F/O ANGLE OF
ATTACK PROBES (2), PLUS TAT (TOTAL AIR TEMPERATURE) PROBES (2) IN FLIGHT ONLY

Question 20

PROBES HEATING AND WINDSHIELD HEATING PB “ON” IN HOTEL MODE OPERATION:

Answer 20

STATIC PORTS AND STBY PITOT ARE HEATED

Question 21

YOU CAN USE WINDSHIELD WIPERS:

Answer 21

BELOW 160 KTS