Exam- Airman Certification Standards (ACS)
Questions and Answers
When an instrument rating is required? Correct Answer--61.75 (e): No person may act as
pilot in command of a civil aircraft under IFR or in weather conditions less than the minimums
(iii) Intercepting and tracking courses through the use of navigational electronic systems.
When flights conducted under actual or simulated IMC can be logged for instrument
currency? Correct Answer-61.51
(g) Logging instrument time. (1) A person may log instrument time only for that flight time
when the person operates the aircraft solely by reference to instruments under actual or
simulated instrument flight conditions.
, Exam- Airman Certification Standards (ACS)
Questions and Answers
(2) An authorized instructor may log instrument time when conducting instrument flight
instruction in actual instrument flight conditions.
What are the pilot logbook/record-keeping requirements? Correct Answer-61.51
(3) For the purposes of logging instrument time to meet the recent instrument experience
requirements of §61.57(c) of this part, the following information must be recorded in the
person's logbook—
(i) The location and type of each instrument approach accomplished; and
(ii) The name of the safety pilot, if required.
What physiological factors that might affect the pilot's ability to fly under instrument
conditions? Correct Answer-1. The Leans- can result when a banked attitude,may be
entered too slowly to set in motion the fluid in the "roll" semicircular tubes.
2. Coriolis illusion - occurs when a pilot has been in a turn
long enough for the fluid in the ear canal to move at the same speed as the canal
3. Graveyard Spiral - pilot in a prolonged coordinated,
constant-rate turn, will have the illusion of not turning.
, Exam- Airman Certification Standards (ACS)
Questions and Answers
4. Somatogravic Illusion - A rapid acceleration, such as experienced during takeoff, stimulates
the otolith organs in the same way as tilting the
head backwards.
5. Inversion Illusion
6. Elevator Illusion
Distinguishing proficiency versus currency Correct Answer-1. Proficiency - once you have
the rating, means less reliance on chance and more on skill and knowledge
2. Currency - enable a person to act as pilot in command
Discuss the setting of personal minimums Correct Answer-If weather minimums are below
a pilot's personal minimums, a delay in departure to wait for improved conditions is a good
decision. This time can be used to complete the navigation log, which is the next step in
planning an IFR flight.
Discuss weather system formation, including air masses and fronts Correct Answer-1. The
boundary layer between two types of air masses
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