[Code of Federal Regulations]

[Title 14, Volume 1]

[Revised as of January 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 14CFR25.303]



[Page 369]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

 

PART 25_AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES--Table 

of Contents

 

                           Subpart C_Structure

 

Sec. 25.303  Factor of safety.



    Unless otherwise specified, a factor of safety of 1.5 must be 

applied to the prescribed limit load which are considered external loads 

on the structure. When a loading condition is prescribed in terms of 

ultimate loads, a factor of safety need not be applied unless otherwise 

specified.



[Amdt. 25-23, 35 FR 5672, Apr. 8, 1970]