Controlled flight into terrain 可控飞行撞地 ; 有控制地向地面飞行 ; 只有优秀的飞行员驾驶的良好飞机的失事
radio-controlled flight [航] 无线电控制飞行
CFIT Controlled Flight Into Terrain 可控的飞行撞地 ; 可控飞行撞地
controlled flight mechanics 有控飞行力学
man-controlled space flight 有人驾驶的航天飞行
CVF Controlled Visual Flight 受控目视飞行
radio-controlled model flight 无线电操纵航模飞行
Spacecraft: Vehicle designed to operate, with or without a crew, in a controlled flight pattern above Earth's lower atmosphere.
航天器：设计在地球低层大气上按受控飞行路线运行的载人或不载人的飞行器。
The serious incident is officially classified in international aviation terms as "controlled flight into terrain only marginally avoided".
国际航空术语把这种严重事件正式归类为“控制中的飞机进入只能险险避开的地带”。
On a clear day, a pilot in controlled airspace can choose a VFR or IFR flight plan, and the FAA regulations were devised in a way which accommodates both VFR and IFR operations in the same airspace.
在晴天，在管制空域内的飞行员可以选择目视飞行规则或者仪表飞行规则的飞行计划，而且联邦航空局的条例是以这样一种方式设计的：在同一空域同时适用目视飞行规则和仪表飞行规则的操作。
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