Space-Available Travel on Military Aircraft

Space-available travel allows authorized passengers to occupy DoD aircraft seats that are not filled after space-required passengers have been accommodated. Space-available travel is allowed on a non-mission interference basis only.

Space-available travel is considered a privilege for members of the Uniformed Services. Retired Uniformed Services members are given the privilege in recognition of a career of such rigorous duty and because they are eligible for recall to active duty. Reservists, too, have eligibility for space-available flights.

Catagories

• Category I - Emergency Leave Unfunded Travel
• Category II - EML - Leave for military or civilian employees from places of considerable hardship duty
• Category III - Ordinary Leave, Close Blood or Affinitive Relatives, House Hunting Permissive TDY, Medal of Honor Holders
• Category IV - Unaccompanied Dependents on EML and DoDDS Teachers on EML During Summer
• Category V - Permissive TDY (Nonhouse Hunting), Foreign Military, Students, Dependents, and Others
• Category VI - Permissive TDY (Nonhouse Hunting), Foreign Military, Students, Dependents, and Others

More information can be found in Chapter 6 of DoD Instruction 4515.13-R.