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Designation standards: SAE J941
Publication date standards: 1.3.2010
SKU: NS-664134
Country: American technical standard
Category: Technical standards SAE
This SAE Recommended Practice establishes the location of drivers’ eyes inside a vehicle. Elliptical (eyellipse) models in three dimensions are used to represent tangent cutoff percentiles of driver eye locations.
Procedures are provided to construct 95th and 99th percentile tangent cutoff eyellipses for a 50/50 gender mix, adult user population.
Neck pivot (P) points are defined in Section 6 to establish specific left and right eye points for direct and indirect viewing tasks described in SAE J1050. These P points are defined only for the adjustable seat eyellipses defined in Section 4.
This document applies to Class A Vehicles (Passenger Cars, Multipurpose Passenger Vehicles, and Light Trucks) as defined in SAE J1100. It also applies to Class B vehicles (Heavy Trucks), although these eyellipses have not been updated from previous versions of SAE J941.
The appendices are provided for information only and are not a requirement of this document.
SUBJECT TAXONOMY: Human factors, Adults, Vehicle drivers
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
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Latest update: 2026-05-22 (Number of items: 2 279 810)
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