§ 125.189. Demonstration of emergency evacuation procedures.
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/us/cfr/t14/s§ 125.189·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Each certificate holder must show, by actual demonstration conducted in accordance with paragraph
(a)of appendix B of this part, that the emergency evacuation procedures for each type and model of airplane with a seating of more than 44 passengers, that is used in its passenger-carrying operations, allow the evacuation of the full seating capacity, including crewmembers, in 90 seconds or less, in each of the following circumstances:
(1)A demonstration must be conducted by the certificate holder upon the initial introduction of a type and model of airplane into passenger-carrying operations. However, the demonstration need not be repeated for any airplane type or model that has the same number and type of exits, the same cabin configuration, and the same emergency equipment as any other airplane used by the certificate holder in successfully demonstrating emergency evacuation in compliance with this paragraph.
(2)A demonstration must be conducted—
(i)Upon increasing by more than 5 percent the passenger seating capacity for which successful demonstration has been conducted; or
(ii)Upon a major change in the passenger cabin interior configuration that will affect the emergency evacuation of passengers.
(b)If a certificate holder has conducted a successful demonstration required by § 121.291(a) in the same type airplane as a part 121 or part 123 certificate holder, it need not conduct a demonstration under this paragraph in that type airplane to achieve certification under part 125.
(c)Each certificate holder operating or proposing to operate one or more landplanes in extended overwater operations, or otherwise required to have certain equipment under § 125.209, must show, by a simulated ditching conducted in accordance with paragraph
(b)of appendix B of this part, that it has the ability to efficiently carry out its ditching procedures.
(d)If a certificate holder has conducted a successful demonstration required by § 121.291(b) in the same type airplane as a part 121 or part 123 certificate holder, it need not conduct a demonstration under this paragraph in that type airplane to achieve certification under part 125.