7.17 Flashcards
How should the aircraft be parked in terms of of wind
Should be parked into the the wind where possible
When towing what light should be switched on
The navigation light
Who gives permission to tow
Air traffic control
How many turns should a landing gear have once towed and what direction should they face
1full turn and straight ahead
Max speed with a tractor with a tow bar
25km/h
What is the maximum steering angle when taxiing
+/-70*
What is used for steering when taxiing
Nose-wheel steering system
What is the Marshaller responsible for
Providing the flight deck with signals that will allow to manoeuvre safely
Where can hand signals be found
CAP637
How many jacks is used to lift an aircraft
3
4 types of jacks
Bottle jack
Bipod
Tripod
Quadrapod
With hydraulic jacks what can the height range from
3 feet (1m) to 15 feet(5m)
What mechanically locks a hydraulic jack
Screw thread or locking collar
What would you use for aircraft recovery
Airbags
What is shoring
Shoring is used to support wings to release loads on structure before mods
When jacking in the open which way would should the aircraft be faced
Into the wind
How long should a aircraft be parked for.
No more than 2 days
If parked in cold conditions what should u do
Drain water systems
When parked what should be retracted
Flaps slats spoilers and thrust reverser
What should you do when parking an aircraft to protect sensors and probes
CAp them
When park for more than 2 days what should do to the tanks
Fill the fuel tanks to full
When parking a aircraft for more than 2 days how often shall you do checks
7 and 15 days intervals
What should be removed when storing a aircraft
Battery portable oxygen sets emergency locator beacon and life vests
What are the 3 types of checks when storing a aircraft
Weekly
Bi-weekly
1x month checks
What are the 3 grades of fuel and the colour coded
80-red
100 - Green
100ll- blue
What is knocking
Occurs when air or fuel mixture in the cyclingder does not start correctly in response of ignition
The freeze point for jetA
-40*c
Freeze point for jetA1
-47*c
Freeze point for jet b
-50*c
2 types of fuelling
Gravity\ over wing
Pressure
What should be near when operating a bleed air system
Fire extinguisher
When using electrical dc ground supplies what should be switched off before making a connection
Master switch
How many pins in a dc plug
3
Positive pin
Negative pin
Earth pin
How many pins in an ac connector
6
What are the 3 large pins for ac connector
Supply for each oh the 3 phases
What are the 2 small pins on an ac connector
Dc control pins
What pressure will the test rig produce for hydraulically
The same as aircraft engine pump
What prevents the loss of fluid on a test rig
Hydraulic quick disconnect couplings
What is nessacery for working on hydraulic systems
Training
What is cold soak configuration
When the aircraft is outside in lower than 0*c and with no supply of power to aircraft
What are the typical after flight check
Fit all airframe covers
Wet apply anti freeze
Allow ice to drain
Drain oil whilst hot
When parking or picketing an aircraft what should be left off
The brakes
How should you remove ice or snow from airframe and engines
Blower heaters or fluid spray systems
What is hoar frost
Occurs when a surface is at at temperature below the freezing point of the affect air
What is the appearance of rime ice
Opaque
Rough deposit
How is time ice formed
Forms at ground level in freezing fog conditions
How is glaze ice formed
When the aircraft encounters freezing rain with the air temperature and the temperature of the airframe below freezing point
The characteristics of glaze ice
Transparent or opaque
Glassy surface
Mixed with sleet or snow
How is debris ice formed
Caused by slush/snow/moisture which has throne onto the aircraft by the wind
What are the typical demicing fluids
Heated water Newtonian fluid (type 1) Mixtures of water and type 1 fluid Non- Newtonian fluid (type 2) Mixtures of water and type 2
How are anti icing fluid applied
Cold directly onto clean aircraft surface
Types of anti-icing fluid
Newtonian fluid (type 1) Mixtures of water and type 1 fluid Non- Newtonian fluid (type 2) Mixtures of water and type 2
What type of fluid contains 80% of
Monoethylene-glycol
Diethylene-glycol
Monopropylene-glycol
Type 1
What is the lowest freezing point for type 1 fluids concentrated
-10*c
What is the ratio for types 1 fluids with a freezing point of -50
60/40
What is the least percentage of volume used for type 2 and type 4 fluids
50%
When does the holder over time start
At the start of the process
What does the anti icing code contain
Type of fluid
Percentage of fluid to water
The time the application of the process started
