Document ID: chunk:federal_register_of_legislation:F2017C01038:body:0:p8
Version: federal_register_of_legislation:F2017C01038
Segment Type: other
Provision Reference: 
Character Range: 17738–20434

bottom of the sidewall stowage bins; and
 (ii) extend inboard from the emergency exit for a distance not less than the width of the narrowest passenger seat installed on the aeroplane; and
 (iii) extend from the forward edge of the forward passageway to the aft edge of the aft passageway; and
(c) the exit opening must be totally within the fore and aft bounds of the unobstructed space.
       17.5 If special circumstances make compliance with subsection 17.1 impractical, CASA may, in writing, approve a different seating configuration for emergency exit access.
       17.6 For subsection 17.5, special circumstances which may make compliance with subsection 17.1 impractical include the following:
(a) emergency exits located in close proximity to each other;
(b) fixed installations such as lavatories and galleys;
(c) permanently mounted bulkheads;
(d) an insufficient number of seat rows ahead of, or behind, the exit.
       17.7 For subsection 17.5, an exit row seating configuration is deemed to be approved if it is the subject of an exclusion from Airworthiness Directive AD/General/73 under regulation 39.004 of CASR 1998, and in force before 1 December 2010.

18 Filed after 1 January 1958 – 20 or more seats – Types III and IV exits
       For an aeroplane with a passenger seating configuration of 20 or more and a type certificate application filed after 1 January 1958, access to each Type III or Type IV emergency exit must be such that:
(a) the projected opening of the exit is not obstructed; and
(b) in opening the exit there is no interference from seats, berths or other protrusions, including seat backs in any position, for a distance from the exit of not less than the width of the narrowest passenger seat installed on the aeroplane.

19 Filed after 1 January 1958 – 19 seats or less – Types III and IV exits
       For an aeroplane with a passenger seating configuration of 19 or less and a type certificate application filed after 1 January 1958, access to each Type III or Type IV emergency exit must, as far as practicable, meet the requirements mentioned in paragraphs 16.1 (a) and (b), except that there may be minor obstructions and interference in the emergency exit area if there are compensating factors to maintain the effectiveness of the exit.
Note   An example of a minor obstruction with compensating factors is unattached (meaning loose), soft seat back cushions on side facing divans as long as the cushion can be readily moved away and the exit easily opened from the inside and outside. The exit signs must not be obscured.

20 Filed after 1 January 1958 — Type III exit placards
       For an aeroplane with a Type III exit and a type certificate