Career
Trickett practised in several hospitals in Manchester between 1964 and 1966, then demonstrating Anatomy at University of Manchester between 1966 and 1967. From 1967 to 1973, he was a General Practitioner at Pembroke in Dyfed and from 1973 to 2000 in Hoy and Walls. From 1973, he was Honorary Medical Advisor of Longhope Lifeboat and became its Honorary Secretary in 1995.
From 2000 he was chairman of the Longhope Lifeboat Museum Trust.
Trickett was a Divisional Medical Advisor. Trickett was a trustee of the Hoy Trust from 1984, becoming its chairman in 1992.
From 2003, he was trustee of the Pickaquoy Centre in Kirkwall. Between 2000 and 2006, he was director of Orkney Enterprise.
He was a director of the Gable End Theatre in Hoy and chairman of the Hoy Half Marathon, which he had founded with John Ecclesiastical
In 2005, he was made Vice Lord Lieutenant and on 27 February 2007 he became Lord Lieutenant. Trickett leaves a widow.