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Apr 11, 2017

Test Your Knowledge #1
(click "Answer" to see the correct choice)

1. An aviation accident is:
a) When there is structural damage to the aircraft
b) Damage to property from a jetblast
c) An engine is shut down for mechanical reasons
d) A passenger loses their baggage.
a) When there is structural damage to the aircraft: or injury/death resulting from the operation of an aircraft.

2. What type of drag is responsible for approximately 40% of the total drag in a hover?
a) Induced Drag
b) Parasite Drag
c) Profile Drag
d) Blade Form Drag.
c) Profile Drag: this is drag from the rotors being driven through the air.

3. When air subsides (descends):
a) Relative Humidy decreases
b) Moisture content decreases
c) Relative Humidity increases
d) Moisture content increases.
a) Relative Humidy decreases: as the air descends it is compressed, increasing the number of air molecules relative to the amount of water molecules that it is capable of holding.

4. What combines cyclic and collective movements into pitch changes of the main rotor blades?
a) Hydraulic Mixer
b) Swashplate
c) Pitch Horn
d) Combining Gearbox.
b) Swashplate; which changes it's angle relative to the body of the helicopter from the control tubes from the cyclic and collective, and the pitch links change the pitch angle of the rotor blades from the swashplate and the disc of the rotor blades will follow the control inputs.

5. The Turn and Bank indicator with the needle and ball give what information in a co-ordinated turn?
a) Amount of roll
b) Amount of bank
c) Amount of yaw
d) Rate of turn.
d) Rate of turn: the gyro in the Turn and Bank is mounted parallel to the longitudinal axis of the aircraft and as the aircraft yaws it deflects the needle on the Turn and Bank showing the amount of turn per second or minute. A Rate One Turn is 3 degrees per second or 360 degrees in 2 minutes.

6. When flying away from airports in uncontrolled airspace, what is the recommended frequency to monitor?
a) 126.7
b) 123.0
c) 123.2
d) 121.5
a) 126.7 which is the enroute frequency for general information such as weather, pilot reports, aircraft position updates etc. It is often used as an initial radio call for emergencies.

7. What type of projection is the VTA Map(VFR Terminal Procedures Chart)?
a) Mercator
b) Transverse Mercator
c) Lambert Conformal
d) Grivation.
b) Transverse Mercator

8. Which are the correct statement regarding fuel for aircraft.
a) any motor fuel is acceptable for use
b) If a drum of fuel is sealed you don't need to check for contaminants
c) The aircraft needs to be grounded for fuelling operations
d) Funnels should not be used.
c) The aircraft needs to be grounded for fuelling operations: static electricity builds up in the hose as the fuel moves through it and the static charge is transfered to the aircraft. The grounding cable takes the static charge away preventing a spark from the nozzle to the aircraft tank as the nozzle is moved during and after refuelling.

9. As a Commercial Helicopter Pilot, your licence permits you to:
a) Fly as co-pilot on any helicopter in Instrument Flight Rules operations
b) Act as Pilot in Command on any helicopter that you are endorsed on
c) Act as Pilot in Command on any helicopter in Instrument Flight Rules as long as you are endorsed on it
d) None of the above.
b) Act as Pilot in Command on any helicopter that you are endorsed on. A helicopter pilot can only fly aircraft that they are endorsed on through training to ensure they have the Knowledge and Skill for that type. An IFR or Instrument Flight Rules Rating is completed from different training.

10. Whiteout conditions occur:
a) Over an unbroken snow surface and beneath uniformly overcast sky
b) Over forested areas in light snow and overcast skies
c) Over featureless terrain on a clear day and a clear horizon
d) Over a city at night.
a) Over an unbroken snow surface and beneath uniformly overcast sky. The lack of visual reference can disorient the pilot so they don't know where up is. If this happens, use of the aircraft instruments are necessary to ensure the aircraft is flying properly because the pilot's senses will not help him without good visual references.