ATPL - PRINCIPLES OF FLIGHT Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
1. Which statement is true b. These forces are equal
regarding the opposing forces
acting on an aeroplane in
steady-state level flight? a.
Thrust is greater than drag
and weight and lift are equal
b. These forces are equal c.
Thrust is greater than drag
and lift is greater than weight
d. Thrust is slightly greater
than lift, but the drag and
weight are equal
2. The stalling speed of an b. Variations in aeroplane loading
aeroplane is most affected by:
a. Changes in air density b.
Variations in aeroplane loading
c. Variations in flight altitude
d. Changes in pitch attitude
3. To ensure some degree of b. Must be forward of the Neutral
longitudinal stability in flight, Point
the position of the CG: a. Must
always coincide with the AC b.
Must be forward of the Neutral
Point c. Must be aft of the
Neutral Point d. Must not be
, forward of the aft CG limit
4. The purpose of a trim tab is: b. To zero the load on the pilot
a. To assist the pilot in controls in the flight attitude
initiating movement of the required
controls b. To zero the load on
the pilot controls in the flight
attitude required c. To provide
feel to the controls at high
speed d. To increase the
effectiveness of the controls
5. What criteria determine b. The one with the center of thrust
which engine is the "critical" closest to the centreline of the
engine of a twin-engine fuselage
aeroplane? a. The one with the
center of thrust farthest from
the centreline of the fuselage
b. The one with the center of
thrust closest to the centreline
of the fuselage c. The one
designated by the
manufacturer which develops
most usable thrust d. The
failure of which causes the
least yawing moment
6. The angle of attack of a b. Depends on forward speed and
fixed pitch propeller: a. engine rotational speed
Depends on forward speed
only b. Depends on forward
speed and engine rotational
speed c. Depends on engine
rotational speed only d. Is
Questions and Answers with Verified
Solutions | Latest Updated 2026
1. Which statement is true b. These forces are equal
regarding the opposing forces
acting on an aeroplane in
steady-state level flight? a.
Thrust is greater than drag
and weight and lift are equal
b. These forces are equal c.
Thrust is greater than drag
and lift is greater than weight
d. Thrust is slightly greater
than lift, but the drag and
weight are equal
2. The stalling speed of an b. Variations in aeroplane loading
aeroplane is most affected by:
a. Changes in air density b.
Variations in aeroplane loading
c. Variations in flight altitude
d. Changes in pitch attitude
3. To ensure some degree of b. Must be forward of the Neutral
longitudinal stability in flight, Point
the position of the CG: a. Must
always coincide with the AC b.
Must be forward of the Neutral
Point c. Must be aft of the
Neutral Point d. Must not be
, forward of the aft CG limit
4. The purpose of a trim tab is: b. To zero the load on the pilot
a. To assist the pilot in controls in the flight attitude
initiating movement of the required
controls b. To zero the load on
the pilot controls in the flight
attitude required c. To provide
feel to the controls at high
speed d. To increase the
effectiveness of the controls
5. What criteria determine b. The one with the center of thrust
which engine is the "critical" closest to the centreline of the
engine of a twin-engine fuselage
aeroplane? a. The one with the
center of thrust farthest from
the centreline of the fuselage
b. The one with the center of
thrust closest to the centreline
of the fuselage c. The one
designated by the
manufacturer which develops
most usable thrust d. The
failure of which causes the
least yawing moment
6. The angle of attack of a b. Depends on forward speed and
fixed pitch propeller: a. engine rotational speed
Depends on forward speed
only b. Depends on forward
speed and engine rotational
speed c. Depends on engine
rotational speed only d. Is
