904 

14 CFR Ch. I (1–1–24 Edition) 

§ 107.21 

(b) The remote pilot in command is 

directly responsible for and is the final 
authority as to the operation of the 
small unmanned aircraft system. 

(c) The remote pilot in command 

must ensure that the small unmanned 
aircraft will pose no undue hazard to 
other people, other aircraft, or other 
property in the event of a loss of con-
trol of the small unmanned aircraft for 
any reason. 

(d) The remote pilot in command 

must ensure that the small UAS oper-
ation complies with all applicable reg-
ulations of this chapter. 

(e) The remote pilot in command 

must have the ability to direct the 
small unmanned aircraft to ensure 
compliance with the applicable provi-
sions of this chapter. 

[Docket FAA–2015–0150, Amdt. 107–1, 81 FR 
42209, June 28, 2016, as amended by Amdt. No. 
107–8, 86 FR 4382, Jan. 15, 2021] 

§ 107.21

In-flight emergency. 

(a) In an in-flight emergency requir-

ing immediate action, the remote pilot 
in command may deviate from any rule 
of this part to the extent necessary to 
meet that emergency. 

(b) Each remote pilot in command 

who deviates from a rule under para-
graph (a) of this section must, upon re-
quest of the Administrator, send a 
written report of that deviation to the 
Administrator. 

§ 107.23

Hazardous operation. 

No person may: 
(a) Operate a small unmanned air-

craft system in a careless or reckless 
manner so as to endanger the life or 
property of another; or 

(b) Allow an object to be dropped 

from a small unmanned aircraft in a 
manner that creates an undue hazard 
to persons or property. 

§ 107.25

Operation from a moving vehi-

cle or aircraft. 

No person may operate a small un-

manned aircraft system— 

(a) From a moving aircraft; or 
(b) From a moving land or water- 

borne vehicle unless the small un-
manned aircraft is flown over a sparse-
ly populated area and is not trans-
porting another person’s property for 
compensation or hire. 

§ 107.27

Alcohol or drugs. 

A person manipulating the flight 

controls of a small unmanned aircraft 
system or acting as a remote pilot in 
command or visual observer must com-
ply with the provisions of §§ 91.17 and 
91.19 of this chapter. 

§ 107.29

Operation at night. 

(a) Except as provided in paragraph 

(d) of this section, no person may oper-
ate a small unmanned aircraft system 
at night unless— 

(1) The remote pilot in command of 

the small unmanned aircraft has com-
pleted an initial knowledge test or 
training, as applicable, under § 107.65 
after April 6, 2021; and 

(2) The small unmanned aircraft has 

lighted anti-collision lighting visible 
for at least 3 statute miles that has a 
flash rate sufficient to avoid a colli-
sion. The remote pilot in command 
may reduce the intensity of, but may 
not extinguish, the anti-collision light-
ing if he or she determines that, be-
cause of operating conditions, it would 
be in the interest of safety to do so. 

(b) No person may operate a small 

unmanned aircraft system during peri-
ods of civil twilight unless the small 
unmanned aircraft has lighted anti-col-
lision lighting visible for at least 3 
statute miles that has a flash rate suf-
ficient to avoid a collision. The remote 
pilot in command may reduce the in-
tensity of, but may not extinguish, the 
anti-collision lighting if he or she de-
termines that, because of operating 
conditions, it would be in the interest 
of safety to do so. 

(c) For purposes of paragraph (b) of 

this section, civil twilight refers to the 
following: 

(1) Except for Alaska, a period of 

time that begins 30 minutes before offi-
cial sunrise and ends at official sunrise; 

(2) Except for Alaska, a period of 

time that begins at official sunset and 
ends 30 minutes after official sunset; 
and 

(3) In Alaska, the period of civil twi-

light as defined in the Air Almanac. 

(d) After May 17, 2021, no person may 

operate a small unmanned aircraft sys-
tem at night in accordance with a cer-
tificate of waiver issued prior to April 
21, 2021 under § 107.200. The certificates 
of waiver issued prior to March 16, 2021 

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