T

tab /tb/ noun the hinged rear part of flight control surface used for trimming
. Trim tabs remove the pilot’s control loads by aerodynamically holding the control surface in the required position.
table /te.b(.)l/ noun a set of facts or figures displayed in columns and rows .
Charts are issued at UK meteorological offices and show, for selected locations, a table of winds and temperatures at selected flight levels.
tabular /tbjυl./ adjective . in tab-
ular form arranged in a table . The most widely acceptable presentation of fuel data is in tabular form but graphi-cal presentations may also be used.
Tacan /tk.n/ noun an aircraft navi-gation system that uses UHF signals from a transmitting station for distance and bearing. Full form Tactical area navigation aid
tachometer /tk.m.t./ noun an
instrument for the measurement of rev-olutions per minute of a rotating shaft .
The pilot checks the tachometer and notes the resulting drop in r.p.m. for each magneto.
TAF abbreviation 1. terminal aero-drome forecast 2. aerodrome forecast
(ICAO)
tail /te.l/ noun the rear part of the air-craft . The tail section is the aft part of the fuselage to which is fitted the tail unit, comprising the tailplane, eleva-tors, fins and rudders.
tail assembly /te.l .sembli/ noun
the aft part of the fuselage with the fin and rudder, tailplane and elevators attached
tail-dragger /te.l dr./ noun
same as tailwheel aircraft (informal) tailplane /te.lple.n/ noun a horizon-tal stabiliser, a horizontal aerofoil at the rear of the aircraft . On most high per-formance aircraft the incidence of the horizontal stabiliser (or tailplane) can be varied in flight.
tail rotor /te.l r.υt./ noun a small rotor on the tail of a helicopter that pre-vents the helicopter from spinning in the direction opposite to the rotation of the main rotor
tailskid /te.lsk.d/ noun a support or runner on the underside of the tail of an aircraft
tailspin /te.lsp.n/ noun a rapid and uncontrolled spiral descent of an air-craft
tail unit /te.l jun.t/ noun the rear part of the aircraft, usually consisting of the fin and tailplane
tailwheel /te.lwil/ noun a small wheel under the tail of an aircraft. Com-pare nosewheel
tailwheel aircraft /te.lwil e.krɑft/ noun aircraft with a small wheel at the tail instead of a nosewheel. Also called tail-dragger
tailwheel conversion course
/te.lwil k.nv.(.)n k.s/ noun a course which familiarises qualified pilots with the differences in handling characteristics between nosewheel and tailwheel aircraft
tailwind /te.lw.nd/ noun a wind which is blowing in the same direction as the direction of movement or flight .
Because of the tailwind, the flight took only six hours. Compare headwind