Contingency abort
Contingency abort means cessation of vehicle flight during ascent or descent in a manner that does not jeopardize public health and safety and the safety of property, in accordance with mission rules and procedures. Contingency abort includes landing at an alternative location that has been designated as a contingency abort location in advance of vehicle flight.
Source
14 CFR § 401.5
Scoping language
For the purposes of parts 415, 417, 431, 435, 440, and 460 of this chapter, the following definitions apply: