In support of an official event 

The Museum will be closed Sunday, May 25
In addition, the Fourth Hangar will be closed Saturday, May 24

Guided tours of the 4th building, normally scheduled at 3:00 p.m. daily, are canceled through May 28.

Effective immediately, the William E. Boeing Presidential Gallery will have limited guest access due to scheduled event preparations. The only accessible exhibits during this time include: Douglas VC-54 Sacred Cow, Flying the President Exhibit, USAF Established Artifact. We anticipate full gallery access will resume by June 5, 2025.

A-3A Autopilot Bank-Climb Gyro Indicator

Note: This item is currently in storage.

This was an automatic pilot from Argonaut IV used by Gen. Hap Arnold for his flight to the Potsdam Conference in 1945. Argonaut IV was a four-engine Douglas C-54 transport aircraft.

Donated by the Lower Merion School District.

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