The pre-crisis version of the Super-Mobile.

The Super-Mobile was a super powered flying vehicle used by Superman for certain special missions. It had lead shielding and robotic arms.

The Super-Mobile was originally written into the comics as a tie-in with a Super-Mobile toy that was being released.

Pre-Crisis continuity

Superman Family Adventures continuity

Superman kept the Super-Mobile outside the Fortress of Solitude, where Krypto would wait for it to move so he could chase it. The vehicle was lead-shielded and helped in the battle against Metallo. ("The Menace of Metallo!")