Tell us what ranges the glideslope and localiser beams are checked out to?

Tell us what ranges the glideslope and localiser beams are checked out to?

Glideslope: 329.15-335Mhz UHF 8 degrees either side, 10NM

Localiser: 108.10-111.95Mhz VHF 35 degrees either side, 17NM

What is windshear?

What is windshear?

Windshear is a change of wind speed and/or direction from place to place, including updraughts and down draughts.

It is ussualy characterized by a strong change over a short distance. Windshear can effect the flight path and airspeed and can be hazardous.

What are the advantages of fuel injection vs a carburetor?

What are the advantages of fuel injection vs a carburetor?

Fuel injection provides:

  • Fuel free from vaporization ice

  • Better economy through metered delivery

  • More responsive and efficient engine

  • Less maintenance

Which way do jet streams travel?

Which way do jet streams travel?

From West to East

East to West (In Africa during the summer)

At high altitudes, what speed do aircrafts climb on?

At high altitudes, what speed do aircrafts climb on?

Mach number

How can you calculate Vref?

How can you calculate Vref?

Vref = 1.3 x Vs0 (stall speed in the landing configuration).

What are the lift qualities of a swept wing?

What are the lift qualities of a swept wing?

Poor, because the sweep-back design has the effect of reducing the lift capabilities of the wing.

Can a helicopter rotor blade stall?

Can a helicopter rotor blade stall?

Yes

Explain what coffin corner is and what happens when reaching the coffin corner?

Explain what coffin corner is and what happens when reaching the coffin corner?

Occurs at absolute ceiling where low speed buffet and high speed (Mach) buffet are coincident.

When reaching the coffin corner, both increasing and decreasing the corner speed will result in a loss of control (either the aircraft stalls, or mach buffeting starts).

If you are outside the range of any VOR’s/NDB's, how does the aircraft know where it is?

If you are outside the range of any VOR’s/NDB's, how does the aircraft know where it is?

Via INS/IRS/GPS

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