25.781—Cockpit control knob shape.

Cockpit control knobs must conform to the general shapes (but not necessarily the exact sizes or specific proportions) in the following figure:

Code of Federal Regulations

Code of Federal Regulations 439
[Please see PDF for image: EC28SE91.048 ]

Code of Federal Regulations

[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-72, 55 FR 29779, July 20, 1990]