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R  surfaces. 
R  Typical anti-icing fluids are: 
R  - Newtonian fluids (ISO or SAE or AEA Type I), 
R  - Mixtures of water and Type I fluid, 
R  - Non-Newtonian fluids (ISO or SAE or AEA Type II or Type IV), 
R  - Mixtures of water and Type II or Type IV fluid, 
R  Follow manufacturer's guidelines to increase the temperature of 
R  de-icing and anti-icing fluids. 
R  For Type I fluids, water loss may cause unwanted aerodynamic effects. 
R  For Type II or Type IV fluids, thermal exposure and/or water loss may 
R  decrease fluid viscosity which causes lower holdover times. 
R  One or more of the conditions that follow can decrease fluid 
R  performance: 
R  - not much fluid used, 
R  - trucks that do not operate with heating system on for extended periods 
R  of time, 
R  - high temperatures in fluid tanks, 
R  - high temperatures in water tanks which directly touch the fluid tanks 
R  (no insulation between tanks). 
R
 (1) Type I 
R  (a) The primary function of this fluid is to prevent refreezing when 
R  no precipitation conditions occur.

 

R Guidelines for the Application of Fluid/Water Mixtures (Minimum Concentrations) as a Function of OAT Figure 201/TASK 12-31-11-991-002

R Guidelines for Possible Holdover Times for Fluid Mixtures as a Function of R Weather Conditions and OAT R Figure 202/TASK 12-31-11-991-003- 12 (SHEET 1)
 1EFF : ALL 1 12-31-11Page 206 1 1 Nov 01/04 1 1 1CES 1R Guidelines for Possible Holdover Times for Fluid Mixtures as a Function of R Weather Conditions and OAT R Figure 202/TASK 12-31-11-991-003- 22 (SHEET 2)

 1EFF : ALL 1 12-31-11Page 207 1 1 Nov 01/04 1 1 1CES 1

R  (b) Newtonian fluids (Type I) have a low viscosity that only changes with temperature. 
(2) Type II or Type IV 
R R  (a) The primary function of these fluids is to prevent refreezing when precipitation occurs. 
R R R (b) Non-newtonian fluids (Type II or Type IV) have a viscosity that decreases with increased airflow over the fluids. 
4. Procedure_________
 Subtask 12-31-11-860-050
 A. Aircraft configuration
 (1) Park the aircraft on a flat surface. Make sure that the wheel of the nose landing gear is on the aircraft axis and the aircraft points into the wind.
 (2) Install the safety devices on the landing gears (Ref. TASK 32-00-00-481-001).
 (3) Make sure that the flaps, the slats, the spoilers, the speed brakes and the thrust reversers are retracted.
 (4) Make sure that the THS is set to two degrees up.
 (5) Put the wheel chocks in front of and behind the wheels of the main and nose landing gears.
 NOTE : The wheel chocks on the nose landing gear and the parking____ brake give more safety in bad weather.
 (6) Ground the aircraft (Ref. TASK 12-34-24-869-002).
 (7) Protect all the probes, the engines and the APU with adapted protection equipment (Ref. TASK 10-11-00-555-013). 
R R  (8) Make sure that the APU bleed and the aircraft engine bleeds are stopped.

 

 (9) On the panel 25VU:
 (a) Make sure that the MOD SEL pushbutton switch is on AUTO.
 (b) Push the DITCHING pushbutton switch (ON legend comes on).
 NOTE : The upper ECAM DU can show the EVENT AVNCS SYS FAULT____ message. Ignore this message, but make sure that you reset (open and close) the AEVC C/Bs at the end of the procedure.
 (10) Put a warning notice to tell persons to remove snow from their shoes and clothes before they go into the aircraft. This is very important in the cargo compartments. If there is ice or snow on the latches, this can cause defective operation of the cargo loading system.
 (11) Make sure that all the doors and the sliding windows are closed.
 (12) Make sure that the safety zone of the aircraft is clear so that the mobile equipment can move easily.
 Subtask 12-31-11-941-050
 B. Put the mobile equipment in position.
 NOTE : To use the mobile equipment on the ramp, it has a storage tank for____ the anti-icing fluid. Do not mix other fluids with the anti-icing fluid. Use the fluid at the recommended concentration for the temperature to get a correct protection.
 Subtask 12-31-11-660-051
 C. Aircraft De-Icing 
R R R R R R R  CAUTION : DO NOT APPLY ANTI-ICING AND DE-ICING MATERIALS (MATERIAL No._______ 10-001), (MATERIAL No. 10-003) OR (MATERIAL No. 10-004) ON THE COCKPIT OR CABIN WINDOWS. IT CAN CAUSE CRACKS ON THE WINDOW. THE FLUID CAN ALSO GO INTO THE WINDOW SEAL. YOU MUST CLOSE ALL DOORS AND WINDOWS TO PREVENT: - CONTAMINATION OF GALLEY FLOOR AREAS WITH FLUID, - CONTAMINATION OF UPHOLSTERY.
　
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