With his comment about the red yoke lock, Jeff, the Inch High, led me to this Website even if he doesn’t know it yet.

The PBY at Pensacola has black control wheels and yoke. The red may be factory-specific, not sure.

https://www.history.navy.mil/content/history/museums/nnam/education/articles/aircraft-in-the-spotlight/pby-cutaway.html

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