Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Fleet Manual

Order Number
DOT 4440.3D
Originating Office
Office of Administration
Order Effective Date
Last updated: Tuesday, October 24, 2023