Yes, you may use Government aircraft to carry passengers with the following restrictions:
(a) You may carry passengers only on aircraft that you operate or require contractually to be operated in accordance with the rules and requirements in 14 CFR; and
(b) For certain kinds of travel, your agency must justify passengers' presence on Government aircraft. See OMB Circular A-126 and the Federal Travel Regulation (FTR) §§ 301-10.260 through 301-10.266, and 301-70.800 through 301-70.808, and 301-70.910 (41 CFR 301-10.260 through 301-10.266, 301-70.800 through 301-70.808, and 301-70.910) for complete information on authorizing travel and analyzing costs before authorizing travel on Government aircraft.