Browse Standards ARP493
Historical Reaffirmed 1991-04-01

Knobs, Control Aircraft, Recommended Design ARP493

This recommended practice is intended to recommend the basic shapes and dimensions for knobs used in aircraft. Two basic types of knobs, the bar shape and the round shape, are described, as well as several widely used variations of these two basic shapes.
ARP493B
2017-03-14
Latest
Stabilized
ARP493A
2011-08-16
Historical
Reaffirmed
ARP493
1991-04-01
Historical
Reaffirmed

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