524 

14 CFR Ch. I (1–1–19 Edition) 

§ 61.31 

Except as provided in paragraph (f)(2) 
of this section, no person may act as 
pilot in command of a high-perform-
ance airplane (an airplane with an en-
gine of more than 200 horsepower), un-
less the person has— 

(i) Received and logged ground and 

flight training from an authorized in-
structor in a high-performance air-
plane, or in a full flight simulator or 
flight training device that is represent-
ative of a high-performance airplane, 
and has been found proficient in the op-
eration and systems of the airplane; 
and 

(ii) Received a one-time endorsement 

in the pilot’s logbook from an author-
ized instructor who certifies the person 
is proficient to operate a high-perform-
ance airplane. 

(2) The training and endorsement re-

quired by paragraph (f)(1) of this sec-
tion is not required if— 

(i) The person has logged flight time 

as pilot in command of a high-perform-
ance airplane, or in a full flight simu-
lator or flight training device that is 
representative of a high-performance 
airplane prior to August 4, 1997; or 

(ii) The person has received ground 

and flight training under an approved 
training program and has satisfactorily 
completed a competency check under 
§ 135.293 of this chapter in a high per-
formance airplane, or in a full flight 
simulator or flight training device that 
is representative of a high performance 
airplane which must be documented in 
the pilot’s logbook or training record. 

(g) 

Additional training required for op-

erating pressurized aircraft capable of op-
erating at high altitudes. 

(1) Except as 

provided in paragraph (g)(3) of this sec-
tion, no person may act as pilot in 
command of a pressurized aircraft (an 
aircraft that has a service ceiling or 
maximum operating altitude, which-
ever is lower, above 25,000 feet MSL), 
unless that person has received and 
logged ground training from an author-
ized instructor and obtained an en-
dorsement in the person’s logbook or 
training record from an authorized in-
structor who certifies the person has 
satisfactorily accomplished the ground 
training. The ground training must in-
clude at least the following subjects: 

(i) High-altitude aerodynamics and 

meteorology; 

(ii) Respiration; 
(iii) Effects, symptoms, and causes of 

hypoxia and any other high-altitude 
sickness; 

(iv) Duration of consciousness with-

out supplemental oxygen; 

(v) Effects of prolonged usage of sup-

plemental oxygen; 

(vi) Causes and effects of gas expan-

sion and gas bubble formation; 

(vii) Preventive measures for elimi-

nating gas expansion, gas bubble for-
mation, and high-altitude sickness; 

(viii) Physical phenomena and inci-

dents of decompression; and 

(ix) Any other physiological aspects 

of high-altitude flight. 

(2) Except as provided in paragraph 

(g)(3) of this section, no person may act 
as pilot in command of a pressurized 
aircraft unless that person has received 
and logged training from an authorized 
instructor in a pressurized aircraft, or 
in a full flight simulator or flight 
training device that is representative 
of a pressurized aircraft, and obtained 
an endorsement in the person’s logbook 
or training record from an authorized 
instructor who found the person pro-
ficient in the operation of a pressurized 
aircraft. The flight training must in-
clude at least the following subjects: 

(i) Normal cruise flight operations 

while operating above 25,000 feet MSL; 

(ii) Proper emergency procedures for 

simulated rapid decompression without 
actually depressurizing the aircraft; 
and 

(iii) Emergency descent procedures. 
(3) The training and endorsement re-

quired by paragraphs (g)(1) and (g)(2) of 
this section are not required if that 
person can document satisfactory ac-
complishment of any of the following 
in a pressurized aircraft, or in a full 
flight simulator or flight training de-
vice that is representative of a pressur-
ized aircraft: 

(i) Serving as pilot in command be-

fore April 15, 1991; 

(ii) Completing a pilot proficiency 

check for a pilot certificate or rating 
before April 15, 1991; 

(iii) Completing an official pilot-in- 

command check conducted by the mili-
tary services of the United States; or 

(iv) Completing a pilot-in-command 

proficiency check under part 121, 125, 
or 135 of this chapter conducted by the 

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