56-101-01175 Revision H Page | 78
psi Pounds per square inch
Pt Pitot Pressure
PsRt Ps Rate, rate of Ps pressure change
PtRt Pt rate, rate of Pt pressure change
Qc Differential pressure (Qc = Pt - Ps)
QFE Local atmospheric pressure
QNH Barometric pressure at sea level
ROC Rate Of Climb in units of (ft/min or m/min)
Rt Rate
RtCAS Rate of change of CAS in units of (kts/min) or (km/h/min)
RtQc Qc rate, rate of Qc pressure change
TAS True AirSpeed (Adjusted for ambient temperature) – Not Supported