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A pilot may get the illusion of low altitude on approach despite the aircraft being on the correct glide path..
  • A
    depending on the approach speed of the aircraft.
  • B
    on night approaches only.
  • C
    when the runway is wider than he/she is used to.
  • D
    when the runway is unusually narrow.

Refer to figure.

NARROW RUNWAY

A narrower-than-usual runway can create an illusion that the aircraft is higher than it actually is. If you believe this illusion, you may pitch the aircraft’s nose down to lose altitude. If this happens too close to the ground, you may land short of the runway and cause an accident.

WIDE RUNWAY

A wider-than-usual runway can create an illusion that the aircraft is lower than it actually is, leading to a higher approach. If you believe this illusion, you may respond by pitching the aircraft’s nose up to gain altitude, which may result in a low-altitude stall or missed approach

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