Quantcast Position Instruments - P-8210020

 

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CHAPTER ONE
BASIC INSTRUMENT PROCEDURES
15.0 UNITS AOA
TAKE OFF
8.5 UNITS AOA
CLIMB
6.5 UNITS AOA (MAX RANGE)**
CRUISE
13.0 UNITS AOA (MAX ENDURANCE)
SLOW CRUISE
8.0 UNITS AOA
DESCENT
15.0 UNITS AOA
APPROACH
13.0 UNITS AOA
MAX RANGE GLIDE
** In the "approach" region of an angle of attack indicator, one unit of AOA is the
equivalent of four or five knots of airspeed change, but in the "cruise" region (which
varies with aircraft model/type), it may take over fifty knots of airspeed change to
produce one indicated unit of AOA change. An angle of attack indicator is therefore
inferior to an airspeed indicator or a Mach indicator in flying maximum range
airspeeds.
6.
Clock. An elapsed-time analog clock is installed on each instrument panel. This clock is a
conventional 12-hour, 8-day clock with a winding and setting stem located on its lower left
corner. Because the clock is designed to be wound only once every 8 days, it is commonly
referred to as an "8 Day Clock". Over-winding can damage the clock. A start-stop pushbutton,
located at the upper right corner, controls an arrowed hand and a sweep second hand that indicate
the elapsed time in minutes and seconds (a common student mistake is to attempt to use the
upper right instrument post light as a start-stop pushbutton).
NOTE
During timed ("rated") instrument maneuvers (such as standard
rate turns, constant rate climbs and descents, etc.) the progress of
the aircraft through the maneuver is timed by reference to the 8-
day clock. In order that a Simulator Instructor might monitor and
coach a student during these maneuvers, it is essential the clocks
referenced by the student and the instructor have second hands
which are moving together ("synchronized"). To synchronize the
second hands, the elapsed second hand on both clocks are stopped,
and started together when the instructor announces, "Standby,
standby, HACK".
Position Instruments. The aircraft position is determined by a third group of instruments
termed the "position instruments". These instruments include the altimeter, BDHI, course
indicator, TACAN needle, and DME. The position instruments convey the aircraft location in
space. By knowing the aircraft's position, the aircrew can determine what control changes are
required to achieve desired aircraft performance.
1.
ALTIMETERS. The 2F101 flight simulator and the T-2C aircraft are equipped with
different altimeters. The 2F101 incorporates a replica of an AAU-19/A Servo Altimeter. The
T-2C aircraft is equipped with an AAU-34B/A Solid State Barometric Altimeter.
1-8 BASIC INSTRUMENT PROCEDURES


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