DHL INTERVIEW EXAM TEST PAPER QUESTIONS AND
ANSWERS 2025/2026 ALL GRADED A+
✔✔what errors are a altimeter subject to? - ✔✔instrument
pressure
time - lag
barometric
density
temperature
blockage
✔✔what are the weight categories for wake turbulence - ✔✔Heavy - 136,000kh +
Medium - 136000kg - 7000 kg
Light - <7000kg
✔✔what colour are the REIL (Rwy end identification lights) - ✔✔green
✔✔what will happen if the static port of a VSI becomes blocked? - ✔✔It will slowly move
back to zero
✔✔when is a RWY considered wet? - ✔✔when there is significant standing water and
the surface is reflective
✔✔what is a trough of low pressure associated with? - ✔✔Convergence causing
increased cloud and precipitation
✔✔will the stalling speed in crease or decrease for a fwd CG? - ✔✔Increase as more
angle of attack will be required
✔✔what does SAND mean regarding a magnetic compass in the southern hemisphere?
- ✔✔a turn to the SOUTH when Accelerating, NORTH when Decelerating
✔✔what does a shuttle valve do? - ✔✔allows fluid to flow through from one of two
sources
✔✔what percentage must the oxygen masks exceed the seats by? - ✔✔10%
✔✔when must a aircraft be free of anti ice fluid? - ✔✔Take off
✔✔what are seasons due to? - ✔✔and incline of the earth axis
✔✔what does a bourdon tube measure? - ✔✔Pressure
, ✔✔from which Flight Level are the crew required to have quick donning masks -
✔✔FL250
✔✔what measurements does a anti- skid system use? - ✔✔Idle wheel speed
braked wheel speed
desired idea wheel train slipping rate
✔✔what is the decision point procedure? - ✔✔using contingency fuel from the decision
point to destination.
as you have the option too divert
✔✔what factor must you use when calculating landing? - ✔✔0.6
✔✔how is the scale displayed on a Lamberts conformal chart? - ✔✔Constant along a
parallel of latitude
✔✔what does a structural fail safe system mean? - ✔✔Parallel mountings incase of
failure
redundancies
loads can be share with the systems incase of failure
✔✔when must a JAR-25 operator not fly if they are in a area difficult for S&R? -
✔✔when they are more than 90 minutes from a suitable emergency landing site
✔✔what characteristics are associated with polar maritime air moving over North West
Europe in winter? - ✔✔CU and CB's over land
✔✔what are variable inlet guide vanes fitted for? - ✔✔to prevent compressor stall at low
speed
✔✔what is the rule of 60 for working at Rate of Descent? - ✔✔Glide slope = ROD/GS x
60
✔✔how will the stall recovery be affect by an aft CG? - ✔✔it will be more difficult due to
decreased controllablilty
✔✔when should a jets engine anti ice be turned on? - ✔✔10 degrees or below with
visible moisture
✔✔what is a electric resonate circuit? - ✔✔capacitor or inductor in parallel or series
✔✔what errors is a mach metre subject to? - ✔✔pressure and instrument
✔✔what type of fluid will give the longest hold over time? - ✔✔Type 2 fluid
ANSWERS 2025/2026 ALL GRADED A+
✔✔what errors are a altimeter subject to? - ✔✔instrument
pressure
time - lag
barometric
density
temperature
blockage
✔✔what are the weight categories for wake turbulence - ✔✔Heavy - 136,000kh +
Medium - 136000kg - 7000 kg
Light - <7000kg
✔✔what colour are the REIL (Rwy end identification lights) - ✔✔green
✔✔what will happen if the static port of a VSI becomes blocked? - ✔✔It will slowly move
back to zero
✔✔when is a RWY considered wet? - ✔✔when there is significant standing water and
the surface is reflective
✔✔what is a trough of low pressure associated with? - ✔✔Convergence causing
increased cloud and precipitation
✔✔will the stalling speed in crease or decrease for a fwd CG? - ✔✔Increase as more
angle of attack will be required
✔✔what does SAND mean regarding a magnetic compass in the southern hemisphere?
- ✔✔a turn to the SOUTH when Accelerating, NORTH when Decelerating
✔✔what does a shuttle valve do? - ✔✔allows fluid to flow through from one of two
sources
✔✔what percentage must the oxygen masks exceed the seats by? - ✔✔10%
✔✔when must a aircraft be free of anti ice fluid? - ✔✔Take off
✔✔what are seasons due to? - ✔✔and incline of the earth axis
✔✔what does a bourdon tube measure? - ✔✔Pressure
, ✔✔from which Flight Level are the crew required to have quick donning masks -
✔✔FL250
✔✔what measurements does a anti- skid system use? - ✔✔Idle wheel speed
braked wheel speed
desired idea wheel train slipping rate
✔✔what is the decision point procedure? - ✔✔using contingency fuel from the decision
point to destination.
as you have the option too divert
✔✔what factor must you use when calculating landing? - ✔✔0.6
✔✔how is the scale displayed on a Lamberts conformal chart? - ✔✔Constant along a
parallel of latitude
✔✔what does a structural fail safe system mean? - ✔✔Parallel mountings incase of
failure
redundancies
loads can be share with the systems incase of failure
✔✔when must a JAR-25 operator not fly if they are in a area difficult for S&R? -
✔✔when they are more than 90 minutes from a suitable emergency landing site
✔✔what characteristics are associated with polar maritime air moving over North West
Europe in winter? - ✔✔CU and CB's over land
✔✔what are variable inlet guide vanes fitted for? - ✔✔to prevent compressor stall at low
speed
✔✔what is the rule of 60 for working at Rate of Descent? - ✔✔Glide slope = ROD/GS x
60
✔✔how will the stall recovery be affect by an aft CG? - ✔✔it will be more difficult due to
decreased controllablilty
✔✔when should a jets engine anti ice be turned on? - ✔✔10 degrees or below with
visible moisture
✔✔what is a electric resonate circuit? - ✔✔capacitor or inductor in parallel or series
✔✔what errors is a mach metre subject to? - ✔✔pressure and instrument
✔✔what type of fluid will give the longest hold over time? - ✔✔Type 2 fluid
