Hinged doors that allow the passage of one person should have at least the dimensions shown in Figure 12.1.
Additional Information: If the hinged door is a means of exit, Occupational Health and Safety Administration (OSHA) Title 29 of the Code of Federal Regulations (29 CFR) 1910.36(g) requires that the floor to ceiling dimension be at least 2.29 meters (m) (7.5 feet (ft)) and any protrusions from the ceiling not reduce the clearance to less than 2.04 m (6.8 ft).HFDS
Figure 12.1 Hinged Door Dimensions
(Source is Exhibit 10.4.7.2.1 in FAA HFDS, 2003)