AGH Flashcards
What is the product within AVTUR that helps to dissipate static and fungal
FSII
2 types of aviation fuel?
- AVTUR
- AVCAT
What does the number in the name of an aviation gas relate to?
Octane level
What is the earthing process?
- Aircraft to ground or ground to aircraft
- Tanker to ground
- Aircraft to tanker
- Tanker to Aircraft
2 methods of delivery for AVTUR fuel?
- SPR and over wing
- Tanker and hydrant
Oil used in aircraft most often nowadays?
Synthetic
What do the colours used as identification in aviation fuel relate to and mean?
Green - higher octane level
Blue - lower octane level
Tanker identification colour related to AVTURE + FSII?
White strip / Black background
Tanker identification colour related to AVCAT + FSII?
Blue strip / White background
Methods of checking oil?
- Dip stick
- Sight gage (could be analogue or digital)
What 2 colours are AVGAS?
- Green
- Blue
What does GSE stand for?
Ground support Equipment
Types of hydraulics
- Mineral oil based fuel
- Synthetic hydro carbon
- Phosphate ester based (also synthetic more fire friendly)
What is referred to to determine if a leak is S or US
The - 2
What type of leaks can be present in hydraulic systems?
- Dynamic and static leaks from moving components
- NO leaks allowed in fixed hard leaks
Identification principles for Hydraulic fluid?
- military specification
- colour
- NATO code
NATO code oils to recall?
- H-515 (Mineral)
- H-537 (synthetic)
- SKYDROL 500 (phosphate ester)
Definition of viscosity?
Resistance to flow
Definition of flash point?
Temperature at which the liquid gives of vapour in sufficient quantity to ignite momentarily
Definition of freeze point?
Temperature at which a liquid solidifies
Definition of anti-corrosiveness?
Resistance to oxidation
What is the reservoir?
A tank that contains an adequate supply of hydraulic fluid for the AC system
Why is nitrogen used for aircrafts?
- Low fire hazard
- Ability to keep components dry
- Ability to disapate heat
2 types of nitrogen?
- Low pressure
- High pressure
Common gas used on aircrafts for gas systems?
- Nitrogen
What colour is a nitrogen inflation trolley cylinder?
Grey bottle with black head
Features of a pressure deliver hose?
- Can be high or low pressure
- 2 hoses (one for high and one for low)
Large Diameter - LP
Smaller diameter - HP
2 types of Nitrogen inflation equipment?
- Portable charging unit
- Inflation trolley
Both can be used for low and high pressure
Low pressure - tyre inflation
High pressure - actuator charging
Things to remember when using nitrogen inflation equipment?
- Calibration
- Adequate supply
- PPE / SDS
Why is compressed air not designable for use on aircrafts?
- Dirty
- Contaminated
- Unreliable
- Flammable
Only to be used in emergencies for tire pressure
What system includes control of ignition for turbine engines?
Avionic systems
What uses a combination of bell cranks and pulleys?
Mechanical systems
Who insures that you have the correct PPE?
Trade supervisor
Precautions when working around propellers?
- Stand clear of blades
- Treat as though they are always live
What is normally marked on the fuselage / engine cell with a vertical mark?
Turbine plane of rotation
Where do you find the serviceability criteria of an aircraft?
- 2
What is the easiest and most common method of inspection used?
Visual
What does a reliability depend on?
Experience of personnel
Who supervises the overall safety when towing an aircraft?
Tow supervisor
When towing at night / or when there is poor visibility, what is a consideration to be taken?
- High vis ppe
- An appropriate pace
What must be checked before a tow is to begin?
AMD
Before towing begins on Macchi, what form of safety and security are fitted?
Ground locks
What give the relevant regulative requirements for standard aircraft safeing procedures?
- 2
What fuel would be used for a high flashpoint to reduce a fire on a ship?
AVCAT FSI - anti icing and fungal
NATO code for NAVGAS 100LL?
F18
Before applying external power or turning off power, what must be checked?
Cockpit switch check
What characteristics does synthetic lubricants have?
Can be manufactured to meet specific requirements
3 main types of hydraulic fluids?
- Mineral based
- Synthetic hydro
- Phosphate ester based
What must be checked to ensure the nitrogen equipment is okay for use?
- Serviceability of containers
- Ensure it is in date
What is used to inflate aircraft tyers?
Specialist tyre inflator kit
What are the characteristics / codes / colours to remember for phosphate ester?
- Purple
- SKYDROL 500
- Non flammable
What is used with the inflation valve?
NATO valve
