(див. static ceiling)
static ceiling (the highest altitude at which the helicopter is capable of hovering in standard atmosphere) / hover ceiling
operational ceiling (service ceiling)
hover capability
hover test
zero ground speed hover
hover
Throttle Hover
Throttle hover - set this value accurately
absolute ceiling (AC)
ceiling (aeronautics)
service ceiling
ceiling lining
ceiling
ceiling altitude
zero ceiling
static ceiling
low ceiling
minimum ceiling
operating ceiling
unlimited ceiling
smoke ceiling
ceiling in rank
ceiling height
manpower ceiling
personnel ceiling
maximum ceiling