Reaffirmed 2022

1. SCOPE

1.1 This standard specifies the requirements of the dimensions, space and strength of the seats (both driver and passengers) and their anchorages, whether or not fitted with head restraints and the characteristics of head restraints of passenger carrying vehicles of categories L7, M2, M3 and goods vehicles of category N as defined in IS 14272 : 2011 ‘Automotive vehicles - Types - Terminology’ in respect to the seats intended to be installed facing forward. This standard also specifies the requirements of dimensions, space and strength of the seats (both driver and passenger) and their anchorages of quadricycles.

1.2 It does not apply to folding, tumbling, side-facing or rearward-facing seats, sleeper seats or to any head restraints fitted to these seats.

2. REFERENCES

2.1 The following standards contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.

13749 : 2009 Automotive vehicles Procedure for determining the “H” point and the torso angle for 50th percentile adult male in seating positions of motor vehicles (first revision)

14272 : 2011 Automotive vehicles - Types - Terminology

15061 : 2002 Automotive vehicles - Flammability requirements

15546 : 2005 Automotive vehicles - Seats, their anchorages and head restraints for category M1 - Specification

ISO 6487 : 1987 Road vehicles - Measurement techniques in impact test - Instrumentation

AIS 052 : 2008 Code of practice for bus body design and approval