spaschal on DSK3GDR082PROD with CFR

Federal Aviation Administration, DOT

Pt. 25, SFAR No. 109

(c) For the vertical test, conducted in accordance with the conditions specified in
Section 25.562(b)(1), Hybrid II ATDs or equivalent
must be used in all seat positions.
5. Direct View. In lieu of the requirements
of Section 25.785(h)(2), to the extent practical without compromising proximity to a required
floor level emergency exit, the majority of
installed flight attendant seats must be located to face the cabin area for which the
flight attendant is responsible.
6. Passenger Information Signs. Compliance
with Section 25.791 is required except that for
Section 25.791(a), when smoking is to be prohibited,
notification to the passengers may be provided by a single placard so stating, to be
conspicuously located inside the passenger
compartment, easily visible to all persons
entering the cabin in the immediate vicinity
of each passenger entry door.
7. Distance Between Exits. For an airplane
that is required to comply with Section 25.807(f)(4),
in effect as of July 24, 1989, which has more
than one passenger emergency exit on each
side of the fuselage, no passenger emergency
exit may be more than 60 feet from any adjacent passenger emergency exit on the same
side of the same deck of the fuselage, as
measured parallel to the airplane-s longitudinal axis between the nearest exit edges,
unless the following conditions are met:
(a) Each passenger seat must be located
within 30 feet from the nearest exit on each
side of the fuselage, as measured parallel to
the airplane-s longitudinal axis, between the
nearest exit edge and the front of the seat
bottom cushion.
(b) The number of passenger seats located
between two adjacent pairs of emergency
exits (commonly referred to as a passenger
zone) or between a pair of exits and a bulkhead or a compartment door (commonly referred to as a  - dead-end zone - ), may not exceed the following:
(1) For zones between two pairs of exits, 50
percent of the combined rated capacity of
the two pairs of emergency exits.
(2) For zones between one pair of exits and
a bulkhead, 40 percent of the rated capacity
of the pair of emergency exits.
(c) The total number of passenger seats in
the airplane may not exceed 33 percent of the
maximum seating capacity for the airplane
model using the exit ratings listed in
Section 25.807(g) for the original certified exits or
the maximum allowable after modification
when exits are deactivated, whichever is less.
(d) A distance of more than 60 feet between
adjacent passenger emergency exits on the
same side of the same deck of the fuselage,
as measured parallel to the airplane-s longitudinal axis between the nearest exit edges,
is allowed only once on each side of the fuselage.
8. Emergency Exit Signs. In lieu of the requirements of Section 25.811(d)(1) and (2) a single
sign at each exit may be installed provided:

(a) The sign can be read from the aisle
while directly facing the exit, and
(b) The sign can be read from the aisle adjacent to the passenger seat that is farthest
from the exit and that does not have an intervening bulkhead/divider or exit.
9. Emergency Lighting.
(a) Exit Signs. In lieu of the requirements of
Section 25.812(b)(1), for airplanes that have a passenger seating configuration, excluding pilot
seats, of 19 seats or less, the emergency exit
signs required by Section 25.811(d)(1), (2), and (3)
must have red letters at least 1-inch high on
a white background at least 2 inches high.
These signs may be internally electrically illuminated, or self illuminated by other than
electrical means, with an initial brightness
of at least 160 microlamberts. The color may
be reversed in the case of a sign that is selfilluminated by other than electrical means.
(b) Floor Proximity Escape Path Marking. In
lieu of the requirements of Section 25.812(e)(1), for
cabin seating compartments that do not
have the main cabin aisle entering and
exiting the compartment, the following are
applicable:
(1) After a passenger leaves any passenger
seat in the compartment, he/she must be
able to exit the compartment to the main
cabin aisle using only markings and visual
features not more that 4 feet above the cabin
floor, and
(2) Proceed to the exits using the marking
system necessary to accomplish the actions
in Section 25.812(e)(1) and (e)(2).
(c) Transverse Separation of the Fuselage. In
the event of a transverse separation of the
fuselage, compliance must be shown with
Section 25.812(l) except as follows:
(1) For each airplane type originally type
certificated with a maximum passenger seating capacity of 9 or less, not more than 50
percent of all electrically illuminated emergency lights required by Section 25.812 may be rendered inoperative in addition to the lights
that are directly damaged by the separation.
(2) For each airplane type originally type
certificated with a maximum passenger seating capacity of 10 to 19, not more than 33 percent of all electrically illuminated emergency lights required by Section 25.812 may be rendered inoperative in addition to the lights
that are directly damaged by the separation.
10. Interior doors. In lieu of the requirements of Section 25.813(e), interior doors may be installed between passenger seats and exits,
provided the following requirements are met.
(a) Each door between any passenger seat,
occupiable for taxi, takeoff, and landing, and
any emergency exit must have a means to
signal to the flightcrew, at the flightdeck,
that the door is in the open position for taxi,
takeoff and landing.
(b)
Appropriate
procedures/limitations
must be established to ensure that any such
door is in the open configuration for takeoff
and landing.

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