February 20, 1922

February 20, 1922

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Requirements and Difficulties of Air Transport

By Frank Searle19 min

Some Notes on the Helicopter

By M. B. Sellers11 min

Soaring Flight and Soaring Aircraft

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220221

Requirements and Difficulties of Air Transport

Former Manager of A. T. & T. Air Line Reviews the Situation In the Light of Three Years’ Experience on Channel Service

By Frank Searle19 min

228229

Some Notes on the Helicopter

Elements of the Problem— Some Experimental Results — Difficulties yet Awaiting Solution

By M. B. Sellers11 min

224225

Soaring Flight and Soaring Aircraft

A Review of the Progress Achieved in Soaring Flight with Considerations of its Practical Possibilities
230231

“Who’s Who in American Aeronautics”

The biographical sketches of men who are prominent in American Aeronautics are printed periodically in AVIATION. The first series will be shortly published in a more durable form, and revised issues will be published semi-annually to take care of the frequent changes in station of Army and Navy officers, and such other changes as may occur.
226227

Langley Field Wind Tunnel Motor Regulator

N.A.C.A. Develops Motor Regulator which Practically Solves Problem of Constant Propeller Speed in Wind Tunnel

By D. L. Bacon5 min

226227

Notices to Aviators

Issued by Hydrographic Office, U. S. Navy
232233

Viking IV for Naval Aviation

232233

Pay of Naval Flying Officers

218219
Editorials

Germany and Aviation

232233

Commercial Air Conference

February 131922 February 271922