QUESTIONS STUDY GUIDE 2026
COMPREHENSIVE ORAL EXAM
QUESTIONS AND CORRECT ANSWERS
WITH DETAILED EXPLANATIONS FOR FAA
CHECKRIDE PREPARATION
For how long must the record of the 100-hour inspection be kept? -
CORRECT ANSWER -For one year or until the next 100-hour inspection is
completed
Can a certified A&P mechanic supervise an unlicensed mechanic to perform
an inspection? - CORRECT ANSWER -No. The A&P must personally perform
the inspection.
Where can you find a list of the basic items that must be inspected in the
100-hour inspection? - CORRECT ANSWER -Part 43, Appendix D
Where can you find an example of the correct way to write a 100-hour
inspection entry in the maintenance records? - CORRECT ANSWER -43.11
What is done with the aircraft records that include the status of AD's when
the aircraft is sold? - CORRECT ANSWER -These records must be transferred
with the aircraft
,What is meant by a progressive inspection? - CORRECT ANSWER -An
inspection that is approved by the FAA FSDO in which an aircraft is
inspected according to an approved schedule. This allows a complete
inspection over time without having to keep the aircraft out of service for a
long period to perform a complete inspection.
Who is authorized to rebuild an engine and issue a zero time maintenance
record? - CORRECT ANSWER -Only the manufacturer or a repair station
authorized by the manufacturer.
What action must a mechanic take if the aircraft being inspected on a 100-
hour inspection fails because of an unairworthy component? - CORRECT
ANSWER -The aircraft maintenance records must indicate that the aircraft
has been inspected and found to be in an unairworthy condition because of
certain discrepancies. A signed and dated list of these discrepancies must
be given to the owner or lessee of the aircraft.
What is ATA 100? - CORRECT ANSWER -It is a maintenance record protocol
that provides a standardized numbering system for organizing maintenance
records.
What is the definition of "time in service" with respect to maintenance
records? - CORRECT ANSWER -the time an aircraft leaves the earth until it
touches down at the next landing (weight off wheels).
What type of maintenance record entry is required when an inspection
under FAR 91.417 is made to a large airplane multiengine airplane and
defects are found? - CORRECT ANSWER -The entry must name the kind of
inspection (continuous airworthiness inspection program, approved
,aircraft inspection program, etc) and a signed and dated list of the defects
must be given to the owner (43.11 a-5)
What is an AD summary? - CORRECT ANSWER -A list of all Airworthiness
Directives that pertain to a particular aircraft: airframe, propeller, engine,
equipment.
What are AD frequencies? - CORRECT ANSWER -bi-weekly
What is meant by matter? - CORRECT ANSWER -anything with that takes up
space and has weight
What is meant by pressure? - CORRECT ANSWER -Force that acts on a unit
of area
What is the standard sea level atmospheric pressure expressed in inches of
mercury and in pounds per square inch? - CORRECT ANSWER -29.92 inHg
and 14.7 psi
What characteristics of the atmosphere determines the speed of sound? -
CORRECT ANSWER -temperature
What is meant by the density of air? - CORRECT ANSWER -weight of a given
volume of air
, How much force is produced by 1,000 psi of hydraulic pressure acting on a
piston whose area is 20 square inches? - CORRECT ANSWER -20,000
pounds
What is meant by the fulcrum of a lever? - CORRECT ANSWER -the point
about which a lever rotates
Give an example of a first-, second-, third-class lever. - CORRECT ANSWER -
1st: screw driver used to pry off a lid. 2nd: wheelbarrow. 3rd: hydraulically
retracted landing gear.
How many cubic inches of fluid is forced out of a cylinder by a piston whose
area is 20 square inches when a piston moves five inches? - CORRECT
ANSWER -100 cubic inches
What is meant by absolute zero? - CORRECT ANSWER -The temperature at
which all molecular movement stops.
What is the Celsius equivalent of a temperature of 50 degrees Fahrenheit? -
CORRECT ANSWER -10 degrees Celsius
What is the formula used to find the amount of work done when an object is
moved across a floor? - CORRECT ANSWER -Work = Force x Distance
What determines the amount of mechanical advantage of an arrangement
of ropes and pulleys? - CORRECT ANSWER -number of ropes supporting the
weight