There were 34 L-1011-500's equipped with "digital" autopilots: They include 12 aircraft built in the Pan Am configuration (193Y), 9 Air Canada (193H), 6 Royal Jordanian (293A), 5 TAP (293B) and 2 Air Lanka (293F).
The remaining 16 were used "analog" autopilots: 6 built in BA configuration (193V), 5 BWIA (193G), 3 Delta (193W) and 2 LTU (193J).