Johnson, Harold I.

Flight Investigation To Improve The Dynamic Longitudinal Stability And Control Feel Characteristics Of The P-63A-1 Airplane (AAF No. 42-68889) With Closely Balanced Experimental Elevators

Estimates Of The Vertical Tail-loads Of A Bell P-63A-1 Airplane (AAF No. 42-68889) In Accelerated Rolling Maneuvers Based On Flight Tests With Two Vertical-tail Arrangements

Measurements Of The Flying Qualities Of A Bell P-39D-1 Airplane (AAF NO. 41-28378)