S2R-H80 Single & Dual Cockpit
AIRPLANE FLIGHT MANUAL
AFM H8001 SINGLE & DUAL COCKPIT Revision A Page 44
FAA APPROVAL DATE: 8/05/2014
4.2. AIRSPEED CALIBRATION
The following charts provide the airspeed calibration for the Thrush S2R-H80 at a takeoff
gross weight of 10,500 lbs and at a light weight of 6850 lbs. To use these charts to
determine Calibrated Airspeed, enter the chart at the value of Indicated Airspeed, proceed
vertically until the line is encountered. Then proceed horizontally to the left to read the
value for calibrated airspeed.
If an Indicated Airspeed is desired from a known Calibrated Airspeed, such as stalling
speed, enter the chart at that calibrated airspeed and perform the procedure in reverse.
EXAMPLE:
Shown Indicated Airspeed of 120 MPH AT 10,500 lbs. is actually a Calibrated Airspeed
of 117.5 MPH for the flaps up configuration or 116 MPH for flaps 15ᵒ.
At lightweight and indicated airspeed of 120 MPH, calibrated airspeed is actually 117.5
MPH for flaps up configuration or 115 MPH for flaps 15°.
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