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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

Design features [of the Rolls-Royce Pegasus] include :... thrust reversal during conventional landing, and thrust vectoring in forward flight for added combat capability.  1, fiche 1, Anglais, - thrust%20vectoring%20in%20forward%20flight

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

[...] (le Sea Harrier] possède un atout décisif : sa capacité d'orientation de la poussée en vol normal lui donne des possibilités de manœuvre qui font défaut au modèle Forger [...]  1, fiche 1, Français, - orientation%20de%20la%20pouss%C3%A9e%20en%20vol%20normal

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 CONT

It is postulated that certain aircraft shapes may be more controllable in the incipient or post-stall regime, allowing a reversal of direction more rapidly than by turning normally. This has been done on fighter jets and other experimental aircraft, but those aircraft use computerized control systems, vectored engine thrust, and have thrust greater than weight.  1, fiche 2, Anglais, - post%2Dstall%20regime

Fiche 2,  Justifications,  Français

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

The reverse thrust system provides means of decelerating aircraft during the landing roll, thus reducing landing roll length. The thrust reverser units are attached at the turbine outlet case of each engine. The clamshell door type thrust reverser provides reversal of thrust by blocking the engine exhaust gas and fan air flow and deflecting the gasses through openings made by repositioned defector doors or by fixed cascade vane openings depending on the type of reverser mechanism. Exhaust gases of the centre engine are deflected forward and out of the sides of the aft fuselage, and on strut mounted engines gases are deflected above and below the engine in a forward direction.  2, fiche 3, Anglais, - reverse%20thrust%20system

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 CONT

La CN 2001-128 a été diffusée pour exiger, en cas d'apparition sur l'ECAM du message «ISOL VALVE FAULT», la désactivation de l'inverseur de poussée affecté avant le prochain vol. À un moment donné, il a été jugé approprié de garantir la sécurité du système inverseur de poussée contre un déploiement intempestif en vol suite à un problème de qualité rencontré dans l'unité de commande hydraulique (HCU).  2, fiche 3, Français, - syst%C3%A8me%20inverseur%20de%20pouss%C3%A9e

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 CONT

The examples compare and contrast lighter narrow-body aircraft and heavier wide-body aircraft. In general, wide-body aircraft and narrow-body Stage 2 aircraft generate higher noise levels than narrow-body Stage 3 aircraft. However, for thrust reversal arrival noise, aircraft type is not as important as with departure roll noise.  2, fiche 4, Anglais, - roll%20noise

Fiche 4,  Justifications,  Français

Fiche 4,  Justifications,  Espagnol