hover vehicle

- ground communications - ground connection - ground contact - ground contacting area of track - ground-effect machine - ground electrode - ground-in - ground level - ground line gradient - ground plane - ground pressure - ground strap - ground vehicle - ground wire - ground-work - artifical ground - cleyey ground - difficult ground - even ground - filled-up ground - moist ground - motor-vehicle proving grounds - practice ground - proof ground - sandy ground

operation n abnormal operations aborted operation accidental operation accident-free operation acrobatics operation aerial ambulance operation aerial photography operation aerial spotting operation aerial survey operation aerial work operation aerodrome operation aerodrome traffic circuit operation aerodrome vehicle operation affect flight operation aircraft operation air operation for hire air operation for remuneration airport facilities operation air transport operations all-freight operations all-weather operations all-weather operations program approach operation associated crop control operation associated fire control operation asymmetric flaps operation attempted operation authorized operation autorotative descend operation available for daylight operation aviation operations base leg operation business operation cancel operation cargo operations cattle roundup operation centralized operations civil air operations climb to cruise operation come into operation commercial air transport operations commercial operation communications operation construction work operations crop control operation cross-band operation cut-off engine operation daylight operations deficit operations demonstration operation departure operations descending operation diverted attention from operation domestic operations dual operation emergency descent operation emergency operations service engage in aircraft operation engine run-up operation en-route operation excess operations experimental operation ferry operation Field Operation Branch Field Operations Section (ИКАО) final approach operation fire control operation flight operation flight operations expert flight operations instructor flight operations personnel flight operations system fog dispersal operation frequency of operations from landing operations general aviation operations go-around operations govern the operation ground handling operation ground operation ground taxi from landing operation ground taxi operation high-level operations holding en-route operation holding operation hover operation idling engine operation impair the operation improper operation in operation instructional operation instrument flight rules operation intermediate approach operation international operations itinerant operation landing operation landing roll operation level-off operation local operations long final straight-in-approach operation low flying operation low weather operations maintenance operations make an operation hazardous missed approach operation night operations no-failure operation no-load operation noncommercial operations nonscheduled operations normal cruise operation normal initial climb operation normal weather operation off-shore operations operation conditions operation instruction operation of aircraft operation phase operation regulations operations division operations inspector operations tower operation tests operation time limit overload operation overwater operation paralleled operation part time operations passenger operations permission for operation pleasure operation pooled operations positioning operation power-on descend operation power patrol operation power reduction operation practice operation premature operation private operations provide operation put in operation regularity of operations rescue operations restrict the operations resume normal operations roll-on operation rotorcraft operations rough engine operations rtouble-free operation run-down engine operation run-on operation run operation safe operation search and rescue operations search operation see and avoid operations sequence of operation solo operation standing operation starting engine operation symmetric flap operation takeoff operation taxing operation test operation touchdown operations training operation turn-around operation unauthorized operation uncontrolled descent operation unparalleled operation vertical rotocraft operation