"More cash payments were made, more cheques written out and more transfers made, " prosecuting barrister Daniel Fugallo told the court.

BBC: Charles Casey

Prosecuting barrister Martin Goudie claimed Mr King knew that when he submitted details to the Civil Aviation Authority relating to the number of training flying hours completed by Mr Spencer they were wrong.

BBC: Paul and Linda Spencer

Jurors have also been told by the prosecuting barrister Martin Goudie that phone records, emails sent by the businessman, fuel purchases and weather conditions also appeared to support the unofficial record rather than the official log certified by Mr King.

BBC: Rudding Park death flight pilot 'mad keen' on flying