Lesson 206 Helicopter Operations Training Flashcards
What performance characteristics distinguish helicopters from fixed-wing aircraft?
Helicopters are more maneuverable have a wide range of operating speeds smaller tighter circuit patterns specific take-off and landing procedures wake turbulence management hovering capability and autorotation.
What is the altitude requirement for helicopters operating near an aerodrome according to CARs 602.964?
No pilot-in-command shall operate an aircraft at an altitude of less than 2000 feet over an aerodrome except for landing or takeoff or specific authorized operations.
What are some exceptions for helicopters to operate below 2000 feet?
Operations in service of police authority saving human life fire-fighting or air ambulance administration of the Fisheries Act national or provincial parks flight inspection aerial application highway or city traffic patrol aerial photography helicopter external load operations and flight training.
What is autorotation in helicopter flight?
The condition of flight during which the main rotor is driven only by aerodynamic forces with no power from the engine allowing the helicopter to glide to a safe landing after losing engine power.
What factors influence the landing of a helicopter in autorotation?
Pilot competence
wind
uneven landing surfaces trees and water.
What is a sling load in helicopter operations?
A load too big to fit inside a helicopter that is carried underneath the helicopter in a sling.
What regulations govern the operation of helicopters carrying external loads over open-air assemblies or built-up areas under CARs 602.16?
No helicopter carrying a Class B C or D external load shall operate over an open-air assembly of persons or over a built-up area unless authorized.
What is the initial contact procedure for departing helicopters?
A departing helicopter may contact the airport controller directly for runway wind altimeter and squawk code or may contact ground to receive this information.
What should a controller do if a helicopter is cleared to a point other than the circuit?
A new clearance must be received prior to the pilot reaching that point.
What is the phraseology used by tower controllers when clearing helicopters?
The phraseology may differ based on whether the operation occurs on a maneuvering or non-maneuvering area.
What is the difference between maneuvering area and movement area at an airport?
The maneuvering area is used for takeoff and landing while the movement area includes both the maneuvering area and aprons.
What should be noted about helicopter clearance limits?
If a helicopter’s clearance limit is a point in the circuit the controller can let it continue or change its clearance limit but must provide a sequence when necessary.
What do controllers need to ensure when clearing helicopters in circuits?
They must provide a sequence and later wake turbulence cautionaries as required.
What should be coordinated with the airport controller before transferring communication to tower for helicopters?
Coordinate the helicopter’s intentions to facilitate a departure plan.
What happens if a helicopter’s externally mounted load becomes unstable?
The pilot can jettison the cargo and must advise the controller to respond according to local procedures.
What changes will occur to helicopter landing procedures in March?
Helicopters will only land on uncontrolled surfaces which will result in a change of phraseology for airport controllers.
What guidance does MATS provide regarding issuing clearances for surfaces other than a runway?
If a pilot requests to land on or take off from a surface other than a runway or an approved area provide traffic and obstruction information control instructions and inform the pilot that landing or takeoff will be at their discretion.
What is the phraseology for takeoff or landing clearance from an unapproved area?
The phraseology is ‘LAND AT YOUR DISCRETION ON FROM [location].’ Possible locations include areas at or adjacent to the airport areas in the control zone but not at the airport water aerodromes temporary landing areas in the control zone and taxiways only in an emergency.
What is the difference between air taxi and hover taxi according to MATS?
Air taxi is the movement of a helicopter or VTOL aircraft above the surface of an aerodrome but normally not above 100 ft AGL at airspeeds over 20 knots. Hover taxi is the movement above the surface in ground effect at airspeeds less than approximately 20 knots.
What should controllers do when helicopters are repositioning on the field?
Controllers should offer a wind check if the wind is 15 knots or more and must ensure safety by avoiding overflying persons vehicles or aircraft.
What is the recommended procedure for helicopter air taxi clearance?
Clear helicopters to air taxi unless the pilot has requested hover taxi or the unit manager has directed that helicopters taxi only via hover mode in specified situations.
