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569 

Federal Aviation Administration, DOT 

§ 139.7 

Risk analysis 

means the process 

whereby a hazard is characterized for 
its likelihood and the severity of its ef-
fect or harm. Risk analysis can be ei-
ther a quantitative or qualitative anal-
ysis; however, the inability to quantify 
or the lack of historical data on a par-
ticular hazard does not preclude the 
need for analysis. 

Risk mitigation 

means any action 

taken to reduce the risk of a hazard’s 
effect. 

Safety area 

means a defined area com-

prised of either a runway or taxiway 
and the surrounding surfaces that is 
prepared or suitable for reducing the 
risk of damage to aircraft in the event 
of an undershoot, overshoot, or excur-
sion from a runway or the uninten-
tional departure from a taxiway. 

Safety assurance 

means processes 

within the SMS that function system-
atically to ensure the performance and 
effectiveness of risk controls or mitiga-
tions and that the organization meets 
or exceeds its safety objectives through 
the collection, analysis, and assess-
ment of information. 

Safety policy 

means the certificate 

holder’s documented commitment to 
safety, which defines its safety objec-
tives and the accountabilities and re-
sponsibilities of its employees in re-
gard to safety. 

Safety promotion 

means a combina-

tion of training and communication of 
safety information to support the im-
plementation and operation of a SMS 
in an organization. 

Safety risk management 

means a proc-

ess within the SMS composed of de-
scribing the system, identifying the 
hazards, and analyzing, assessing, and 
controlling or mitigating the risk. 

Scheduled operation 

means any com-

mon carriage passenger-carrying oper-
ation for compensation or hire con-
ducted by an air carrier for which the 
air carrier or its representatives offers 
in advance the departure location, de-
parture time, and arrival location. It 
does not include any operation that is 
conducted as a supplemental operation 
under 14 CFR part 121 or public charter 
operations under 14 CFR part 380. 

Shared-use airport 

means a U.S. Gov-

ernment-owned airport that is co-lo-
cated with an airport specified under 
§ 139.1(a) and at which portions of the 

movement areas and safety areas are 
shared by both parties. 

Unscheduled operation 

means any 

common carriage passenger-carrying 
operation for compensation or hire, 
using aircraft designed for at least 31 
passenger seats, conducted by an air 
carrier for which the departure time, 
departure location, and arrival loca-
tion are specifically negotiated with 
the customer or the customer’s rep-
resentative. It includes any passenger- 
carrying supplemental operation con-
ducted under 14 CFR part 121 and any 
passenger-carrying public charter oper-
ation conducted under 14 CFR part 380. 

Wildlife hazard 

means a potential for 

a damaging aircraft collision with 
wildlife on or near an airport. As used 
in this part, ‘‘wildlife’’ includes feral 
animals and domestic animals out of 
the control of their owners. 

N

OTE

Special Statutory Requirement To Op-

erate to or From a Part 139 Airport. 

Each air 

carrier that provides—in an aircraft designed 
for more than 9 passenger seats—regularly 
scheduled charter air transportation for 
which the public is provided in advance a 
schedule containing the departure location, 
departure time, and arrival location of the 
flight must operate to and from an airport 
certificated under part 139 of this chapter in 
accordance with 49 U.S.C. 41104(b). That stat-
utory provision contains stand-alone re-
quirements for such air carriers and special 
exceptions for operations in Alaska and out-
side the United States. Certain operations by 
air carriers that conduct public charter oper-
ations under 14 CFR part 380 are covered by 
the statutory requirements to operate to and 
from part 139 airports. See 49 U.S.C. 41104(b). 

[Doc. No. FAA–2000–7479, 69 FR 6424, Feb. 10, 
2004, as amended by Amdt. 139–27, 78 FR 3316, 
Jan. 16, 2013; Docket No. FAA–2010– 
0997;Amdt. No. 139–28, 88 FR 11671, Feb. 23, 
2023] 

§ 139.7 Methods and procedures for 

compliance. 

Certificate holders must comply with 

requirements prescribed by subparts C 
and D of this part in a manner author-
ized by the Administrator. FAA Advi-
sory Circulars contain methods and 
procedures for compliance with this 
part that are acceptable to the Admin-
istrator.