минимальная безопасная высота пролета препятствий

clearance n aerodrome control tower clearance air traffic control clearance amended clearance approach clearance baggage clearance border flight clearance clearance antenna clearance aspects clearance bar clearance bar light clearance control clearance distance clearance facilities clearance formalities clearance for straight-in approach clearance for takeoff clearance guidance clearance guidance sector clearance limit clearance margin clearance of goods clearance of obstacles clearance of the aircraft clearance over the threshold clearance procedure clearance to enter customs clearance customs formalities clearance deliver the clearance departure clearance descent clearance en-route clearance ensure clearance ensure safe clearance entry clearance expedite the clearance export clearance facilitate rapid clearance of fits and clearances card fits and clearances table flight clearance flight plan clearance further clearance get clearance health clearance holding clearance initial descent clearance instrument clearance landing clearance landing clearance confirmation minimum wheel clearance misjudge clearance misjudged clearance obstacle clearance obstacle clearance altitude obstacle clearance height obstacle clearance limit obstacle clearance line obstruction clearance obtain a clearance operational clearance outbound clearance pending clearance preserve the clearance request clearance rotor-to-tail boom clearance runway clearance light safe clearance safe obstruction clearance safe terrain clearance safety clearance span clearance start-up clearance takeoff clearance takeoff clearance confirmation tax clearance certificate taxi clearance taxiways clearance terrain clearance terrain clearance indicator threshold wheel clearance vertical clearance wing clearance light wing tip clearance wing tip clearance line

obstacle n air obstacle avoid the obstacle clearance of obstacles clear the obstacle considering the obstacles denote the obstacle denoting the obstacle dominant obstacle allowance fixed obstacle flying around obstacle mark the obstacle obstacle assessment obstacle clearance obstacle clearance altitude obstacle clearance height obstacle clearance limit obstacle clearance line obstacle clearing obstacle flag obstacle free surface obstacle free zone obstacle lighting obstacle lights obstacle limitation requirements obstacle line obstacle removal obstacle restriction obstacles evaluation overcome the obstacle significant obstacle simulated obstacle

height n actual height adjust for height approach height assess a height barometric height break-off height cloud base height cloud height critical height cutback height decision height eye height over the threshold eye-to-aerial height eye-to-wheel height get the height height above reference zero height at start of retraction height forecast height indicator helicopter approach height helicopter overflight height hover at the height of mean height minimum circling procedure height minimum descent height minimum safe height net height obstacle clearance height radar height finder radio height reference approach height reference datum height safe height specified height threshold crossing height transition height

altitude n absolute altitude aerodrome altitude altimetric altitude altitude above sea level altitude alert annunciator altitude alert light altitude alert signal altitude alert system altitude alert warning altitude assignment altitude chamber altitude chamber drill altitude code altitude controller altitude control unit altitude correction altitude curve altitude encoder altitude engine altitude flight altitude gain altitude hold altitude indicator altitude loss altitude margin altitude performance altitude propeller altitude range altitude rate altitude recorder altitude selector altitude sensing unit altitude sensor altitude separation altitude sickness (пилота) altitude supercharging (двигателя) altitude switch altitude test facilities altitude tests at appropriate altitude autopilot altitude hold barometric altitude cabin altitude indicator cabin altitude selector calibrated altitude constant altitude control corrected altitude cruising altitude decision altitude density altitude display design altitude engine altitude performances engine critical altitude en-route altitude equivalent altitude express the altitude final approach altitude final intercept altitude flare-out altitude flight altitude fly at the altitude fuel efficient altitude gain in altitude gain the altitude holding altitude increase an altitude indicated altitude initial approach altitude keep the altitude leave the altitude lose the altitude low altitude en-route chart low altitude flight planning chart maintain the altitude minimum altitude minimum altitude reminder minimum authorized altitude minimum descent altitude minimum en-route altitude minimum safe altitude warning misjudge an altitude net increase in altitude obstacle clearance altitude operating altitude preselected altitude preselected altitude hold pressure altitude rated altitude reach the altitude reference altitude report reaching the altitude restarting altitude safe altitude selected approach altitude specified altitude traffic pattern altitude transition altitude true altitude with decrease in the altitude with increase in the altitude