He was the UK's representative to the International Air Transport Association (IATA) committee developing the specification for the second generation of air traffic control system, known in the UK as "Plan Ahead", and is said to have had the idea of using a modified Gray code.
He was the UK's representative to the International Air Transport Association (IATA) committee creating the specification for the second generation of air traffic control system, known in the UK as "Plan Ahead", and is said to have conceived the idea of utilizing a modified Gray code.