DHL INTERVIEW ATPL (ACTUAL 2025)
QUESTIONS WITH 100% VERIFIED CORRECT
ANSWERS
What is the VOR change over distance?
60NM
What is the minimum distance between parallel runways?
915m
what type of fire extinguisher do you use on propane fire
foam
what is the difference between IAS and CAS (calibrated
Airspeed)
corrected for instrument positional errors
what is the difference between CAS and TAS (true Airspeed)
,Corrected for changes in air Density
when is ground effect felt?
half the wingspan from the ground
what is interference drag?
Drag caused by interaction of boundary layers at major
aircraft components
what are high aspect ratio wings
long thin wings
what are low aspect ratio wings
short fat ones
why are all jet liners wings swept
they are better at close to mach
,where does the Pulmonary artery pump blood to?
the lungs
what is reduced when someone hyper ventilates
CO2
how long such you void flying for after giving blood?
24 hrs
what percentages of accidents are caused by human error
70%
What is the tropopause?
The boundary between the troposphere and the stratosphere.
Where temp no longer increases with height
, what does the air need to be at the summit of a mountain to
cause mountain waves?
stable
what does they wind need to be doing with increasing altitude
to cause mountain waves?
increasing
why won't cirrus clouds cause icing
they are already ice crystals
what side of the polar jet stream in the most turbulence on?
the cold side
what is Grivation
the combination of Grid convergence and magnetic variation
what is ISA?
QUESTIONS WITH 100% VERIFIED CORRECT
ANSWERS
What is the VOR change over distance?
60NM
What is the minimum distance between parallel runways?
915m
what type of fire extinguisher do you use on propane fire
foam
what is the difference between IAS and CAS (calibrated
Airspeed)
corrected for instrument positional errors
what is the difference between CAS and TAS (true Airspeed)
,Corrected for changes in air Density
when is ground effect felt?
half the wingspan from the ground
what is interference drag?
Drag caused by interaction of boundary layers at major
aircraft components
what are high aspect ratio wings
long thin wings
what are low aspect ratio wings
short fat ones
why are all jet liners wings swept
they are better at close to mach
,where does the Pulmonary artery pump blood to?
the lungs
what is reduced when someone hyper ventilates
CO2
how long such you void flying for after giving blood?
24 hrs
what percentages of accidents are caused by human error
70%
What is the tropopause?
The boundary between the troposphere and the stratosphere.
Where temp no longer increases with height
, what does the air need to be at the summit of a mountain to
cause mountain waves?
stable
what does they wind need to be doing with increasing altitude
to cause mountain waves?
increasing
why won't cirrus clouds cause icing
they are already ice crystals
what side of the polar jet stream in the most turbulence on?
the cold side
what is Grivation
the combination of Grid convergence and magnetic variation
what is ISA?
