Definition from Wiktionary, the free dictionary
take the con
- (nautical) To take over navigational duties on the bridge of a ship
- 1974, Larry Niven, Jerry Pournelle, The Mote in God's Eye
- Mr. Renner, take the con!" Jolt meters swung before the acceleration alarms; Renner must have set up the course in advance and slapped the keys the instant he was given control.