with fly-by-wire technology, the air-craft’s stalling angle of attack cannot be exceeded regardless of control stick input the stalling angle of attack cannot be exceeded, despite or no mat-ter what the pilot does with the flying controls
region /rid.n/ noun 1. an area, usu-ally a large geographical area . The troposphere is deepest in equatorial regions and shallowest near the poles.
2. . in the region of about or approxi-mately . The burning temperature of
191 relative bearing
the fuel is in the region of 2,000°C (Cel-sius).
register /red.st./ noun an official list or record . The student’s name was not on the register. . verb 1. to record or to indicate on an instrument . During ground running checks, if oil pressure does not register within a few seconds, the engine should be stopped and the cause investigated. . Electrically oper-ated pressure gauges register main and emergency system pressure. 2. to enter details on an official list . to register an aircraft
registration /red.stre..(.)n/
noun the entry of civil aircraft into records of national certification author-ity with details of letter and number code displayed on aircraft . certificate of registration a document issued as proof of registration
regular /rejυl./ adjective 1. occur-
ring at fixed time intervals . a regular flight . regular inspections inspections taking place at equal intervals of time 2. ordinary or standard . part of the regu-lar menu
regulate /rejυle.t/ verb to control, to adjust to a specific requirement .
Controllable cowl flaps regulate the amount of air flowing across the cylin-ders.
regulation /rejυle..(.)n/ noun an act or instance of controlling or adjust-ing to a specific requirement . Regula-tion of cabin temperature is controlled by the manual setting of a mechanically controlled switch.
regulations /rejυle..(.)nz/ plural
noun rules or laws regulator /rejυle.t./ noun a device used to control the flow of fluids or electric current . voltage regulator a device to control the level of voltage
Reid vapour pressure test /rid ve.p. pre.. test/ noun a test to deter-mine the pressure required above a liq-uid to hold the vapours in the liquid at a given temperature
reinforce /ri.nf.s/ verb to make stronger or to strengthen . Typical skin materials used in aircraft are made from epoxy resins which are reinforced with glass, carbon or Kevlar fibres.
reinforced /ri.nf.st/ adjective
made stronger or strengthened
reinforced plastics /ri.nf.st plst.ks/ plural noun plastic materials used with glass fibres to repair some types of aircraft structure
reinforcement /ri.nf.sm.nt/
noun the act of strengthening, or a material or structure used to strengthen something . There is reinforcement around each opening in the pressure cabin, such as the cabin door, escape hatch and windows.
relate /r.le.t/ verb 1. to make a con-nection or link, to associate . Orientat-ing the chart relates the direction of land features to their representation on the chart and aids recognition. 2. . to relate to to concern or to be about .
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