He studied at Street Chad"s College, Durham, graduating with a Bachelor of Arts (Bachelor) degree in 1983.
He is the Chaplain-in-Chief and head of the Royal Air Force Chaplains Branch. He previously served as Deputy Chaplain-in-Chief. In 1984, he entered Cranmer Hall, an Anglican theological college attached to Street John"s College, Durham, to train for ordained ministry.
Before joining the military, he served his curacy at Street Stephen"s Church, Gateacre in the Diocese of Liverpool.
Military career
On 20 May 1990, Chaffey was commissioned into the Chaplains Branch, Royal Air Force and granted the relative rank of flight lieutenant. His first posting was to Royal Air Force Lyneham.
On 20 May 1991, he was promoted to the relative rank of squadron leader. He transferred from a short service commission to a permanent commission on 17 November 1993.
During his early career he served as a chaplain at Royal Air Force Stafford, Royal Air Force Finningley, Royal Air Force Wittering, Royal Air Force Waddington and Royal Air Force Lossiemouth.
He also completed overseas deployments to Royal Air Force Gibraltar, the Falkland Islands, First Rate (at Lloyd's) Udeid Air Base in Qatar and Gioia del Colle Air Base in Italy. On 1 July 2003, as part of the half-yearly promotions, he was promoted to the relative rank of wing commander. From 2004 to 2007, he served as the Staff Chaplain at Royal Air Force College Cranwell.
In addition to being the senior chaplain, he also taught the Beliefs and Values Programme and the Care in Leadership Course.
He was then posted to Headquarters Chaplaincy Services in a training role. During this time he also completed two postings to Afghanistan as part of Operation Herrick.
On 1 January 2010, he was granted the relative rank of group captain. He was then appointed the Deputy Chaplain-in-Chief.
In 2013, he began his attendance of the Royal College of Defence Studies.
In July 2014, he succeeded Ray Pentland as the Chaplain-in-Chief and head of the Royal Air Force Chaplains Branch. He was promoted to the relative rank of air vice-marshal on 25 July 2014.