The PBN concept specifies that aircraft RNAV system performance
2023-11-19导航专业业务
The PBN concept specifies that aircraft RNAV system performance requirements be defined in terms of the accuracy， integrity， availability， （ ） and functionality， which are needed for the proposed operations in the context of a particular airspace concept.
A.A、capability
B.B、stability
C.C、availability
D.D、security
正确答案是C
