pitch angle /p.t. n(.)l/ noun the angle between the blade element chord line and the plane of rotation of the pro-peller
pitch lock /p.t. l.k/ noun a means of holding the fine pitch stop in a pre-scribed position (NOTE: Some manufac-turers use the term to describe a device which locks the blades at whatever angle they are at if there is a failure of the pitch change mechanism.)
pitch trim /p.t. tr.m/ noun the trim of the aircraft in the lateral axis so that
pitot head 172
there are no forward/aft forces on the control stick or yoke
pitot head /pit.υ hed/ noun an
externally mounted device which senses and sends airspeed information to the airspeed indicator in the cockpit
pitot-static system /pit.υ stt.k s.st.m/ noun a pressure sys-tem for the airspeed indicator, altimeter and vertical speed indicator
pitot tube /pit.υ tjub/, Pitot tube
noun an open-ended tube used to meas-ure the speed of flow of a fluid . device to sense pitot pressure created by the movement of air over the aircraft
pivot /p.v.t/ noun a short rod on which another part rotates . verb to turn on a point . The rocker arm pivots on a bearing and opens the valve.
place /ple.s/ noun 1. a space or area .
Greenwich is a place on the 0° merid-ian. 2. a position . decimal place 3. . in place of instead of . to take place to happen . The explosion took place just before the aircraft landed. . verb to put
.
Place the chart on the seat next to you.
.
Rotate the grid to place the wind direction under true.
plain /ple.n/ adjective without pattern or marking or writing . a plain sheet of paper a sheet of paper with nothing on it
plan /pln/ noun 1. a drawing or dia-gram of a place viewed from above .
The horizontal situation indicator presents a selectable dynamic colour display of flight progress and plan view orientation. 2. a scheme or programme worked out in advance of putting some-thing into operation . verb to organise a scheme or programme . Jeppesen charts are used to plan and fly a safe route to a destination.
plane /ple.n/ noun 1. an imaginary surface containing all the straight lines that connect any two points on it . The planes of parallels of latitude are paral-lel to the plane of the equator. . The pitch angle is the angle between the blade element chord line and the plane of rotation of the propeller. 2. an aero-plane (NOTE: Because of possible con-fusion with meaning 1, plane as in
meaning 2 is considered bad usage by some. The word aircraft is preferred in that case.)
planning /pln../ noun making plans . The instructor gave a talk on flight planning.
plan position indicator /pln p. z..(.)n .nd.ke.t./ noun the normal type of display for a radar signal, which resembles a map with the radar site at the centre
plant /plɑnt/ noun large and usually heavy equipment or tools used for doing something
plate /ple.t/ noun a smooth, flat rigid object with the same thickness all over
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