Chapter 4—Slow Flight, Stalls, and Spins

Table of Contents
Slow Flight
    Flight at Less than Cruise Airspeeds
    Flight at Minimum Controllable Airspeed
    Recognition of Stalls
    Fundamentals of Stall Recovery
    Use of Ailerons/Rudder in Stall Recovery
    Stall Characteristics
    Approaches to Stalls (Imminent Stalls)—Power-On or Power-Off
    Full Stalls Power-Off
    Full Stalls Power-On
    Secondary Stall
    Accelerated Stalls
    Cross-Control Stall
    Elevator Trim Stall
    Spin Procedures
        Entry Phase
        Incipient Phase
        Developed Phase
        Recovery Phase
Intentional Spins
    Weight and Balance Requirements


This stall is called a secondary stall since it may occur after a recovery from a preceding stall. It is caused by attempting to hasten the completion of a stall recovery before the airplane has regained sufficient flying speed. [Figure 4-7] When this stall occurs, the back-elevator pressure should again be released just as in a normal stall recovery. When sufficient airspeed has been regained, the airplane can then be returned to straight-and-level flight.

Secondary stall

Figure 4-7. Secondary stall.

This stall usually occurs when the pilot uses abrupt control input to return to straight-and-level flight after a stall or spin recovery. It also occurs when the pilot fails to reduce the angle of attack sufficiently during stall recovery by not lowering pitch attitude sufficiently, or by attempting to break the stall by using power only.

Previous | Next

Copyright 2012
PED Publication