increases abruptly towards VNE

increases steadily

decreases abruptly towards zero.

decreases steadily

Information from an air data inertial reference system.

An accelerometer to temporarily change the pressure in the capsule.

An accelerometer mechanically linked to the capsule, to expand it faster.

A piston to temporarily change the diameter of the metering unit.

an increasing rate of climb if the ambient static pressure decreases.

a constant rate of climb, even if the aircraft is levelling out.

zero.

a descent if the ambient static pressure is less than the pressure in the instrument.

differential pressure.

total pressure.

static pressure.

dynamic pressure.

To coordinate TAs between aircraft.

To provide ground proximity warnings.

To gradually improve RAs as the aircraft nears terrain.

To gradually suppress RAs as the aircraft nears terrain

An ordinary airspeed indicator scaled for Mach numbers instead of knots.

indicated speed and altitude using a speed indicator equipped with an altimeter type aneroid.

A kind of echo sound comparing velocity of sound with indicated speed.

Indicated speed (IAS) compared with true air speed (TAS) from the air data computer.

% of maximum torque.

% value of maximum RPM.

% value of maximum power.

The Engine Pressure Ratio (EPR).

Dynamic pressure

Attitude

OAT

TAT

ratio Pt7 / Pt2.

ratio Pt2 / Pt7.

change in frequency between the torque shaft and the reference shaft.

the twist of a torque shaft of a known length.