(ав.) висота нижньої межі хмар; висота хмарності; гранична висота польоту, стеля
operational ceiling (service ceiling)
static ceiling (the highest altitude at which the helicopter is capable of hovering in standard atmosphere) / hover ceiling
absolute ceiling (AC)
ceiling (aeronautics)
service ceiling
ceiling lining
ceiling altitude
zero ceiling
hover ceiling
static ceiling
low ceiling
minimum ceiling
operating ceiling
unlimited ceiling
smoke ceiling
ceiling in rank
ceiling height
manpower ceiling