Rules of thumb

1 MPH = 1,609 km/hr MPH - statute mile(s) per hour. Km/hr – kilometer (s) per hour. 1 KT = 1,15 MPH. 1 MPH = 0,87 KT. 1 km/hr = 0,54 KT ... 400 FPM. 500 FPM ROC – Rate of Climb. ROD – Rate of Descent Note: This rule of thumb is valid only for relatively small angles of attack and small changes of pitch. ................
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