[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR125.189]

[Page 996]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
 PART 125_CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING CAPACITY OF 
 
              Subpart E_Special Airworthiness Requirements
 
Sec. 125.189  Demonstration of emergency evacuation procedures.

    (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 Sec. 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 Sec. 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 Sec. 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.

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