departure

departure
i. The distance between two given meridians measured along a standard parallel and expressed in nautical miles. It is the east-west component of the rhumb-line distance between two points. The value of departure between two meridians decreases with increasing latitudes, and vice versa. Departure in nautical miles = change of longitude in minutes × cosine mean latitude.
ii. The distance traveled in an east to west direction between two points.
iii. Aircraft taking off from an airport under departure control.
iv. Aeroelastic instability that may exist in roll, pitch, or yaw. Aircraft may break up during an aereoelastic departure. It is a situation in which there is an uncommanded increase in the angle of attack (a) and consequent loss of control. It is a form of aerodynamic departure as in a pitch-up.
v. The action or event of an aircraft leaving a place, as in “5 departures, 2 arrivals.”

Aviation dictionary. 2014.

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  • Departure — may refer to: Aviation A departure from controlled flight Taxiing and takeoff Navigation In navigation, departure is the distance made good in an east––west direction when going from one place to another (for example, along a rhumb line). Music… …   Wikipedia

  • departure — de‧par‧ture [dɪˈpɑːtʆə ǁ ˈpɑːrtʆər] noun 1. [countable, uncountable] an act of leaving a place, especially at the start of a journey: • I saw Simon shortly before his departure for Russia. 2. [countable, uncountable] an act of leaving an… …   Financial and business terms

  • Departure — De*par ture (?; 135), n. [From {Depart}.] 1. Division; separation; putting away. [Obs.] [1913 Webster] No other remedy . . . but absolute departure. Milton. [1913 Webster] 2. Separation or removal from a place; the act or process of departing or… …   The Collaborative International Dictionary of English

  • Departure — Студийный альбом Journey …   Википедия

  • DepArture — Album par AAA Sortie 11 février 2009 Durée 57:04 Genre …   Wikipédia en Français

  • departure — mid 15c., from O.Fr. deporteure departure, figuratively, death, from departir (see DEPART (Cf. depart)) + ure (see URE (Cf. ure)) …   Etymology dictionary

  • departure — [n1] leaving abandonment, adieu, bow out*, congé, decampment, desertion, egress, egression, embarkation, emigration, escape, evacuation, exit, exodus, expatriation, farewell, flight, getaway*, going, going away, goodbye*, hegira, migration,… …   New thesaurus

  • departure — index abandonment (desertion), abdication, demise (death), desertion, detour, deviation, difference …   Law dictionary

  • departure — ► NOUN ▪ the action or an instance of departing …   English terms dictionary

  • departure — [dē pär′chər, dipär′chər] n. [ME < OFr departeure] 1. a departing, or going away 2. a starting out, as on a trip or new course of action 3. a deviation or turning aside (from) 4. Archaic death 5. Naut. the distance due east or west from the… …   English World dictionary

  • departure — noun 1 leaving/going away from a place ADJECTIVE ▪ abrupt, sudden ▪ Everyone was a little puzzled by her sudden departure. ▪ hasty, quick ▪ voluntary …   Collocations dictionary

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