These are the most frequently used words in this book.
0
above
acceleration
accident
age
air
aircraft
aircrew
al
although
altitude
associated
aviation
between
blood
body
breathing
cabin
cases
cause
cent
changes
conditions
control
crew
disease
due
during
effects
environment
et
even
exposure
factors
feet
figure
flight
flow
flying
force
frequency
gas
head
heart
heat
high
however
human
increase
increased
individual
ing
injury
less
level
loss
lung
may
medical
mmhg
motion
movement
must
normal
number
occur
often
oxygen
passengers
patients
per
performance
pilot
pressure
problems
rate
required
response
result
risk
should
sleep
study
subject
symptoms
system
temperature
thus
time
tion
training
treatment
two
type
use
used
usually
vibration
visual
years