From left: John Hamshere, Business Development Manager at Pula Aviation Services, and Luca Giaquinta, CEO of Diamond Aircraft Company.

Guernsey, Channel Islands – 22 April 2026 – ASG, part of the Pula Aviation Services group, has been officially appointed by Diamond Aircraft as an Authorised Service Centre for the full range of Diamond aircraft.

Since 1990, ASG has delivered expert aircraft support from its facility in Guernsey, earning a reputation as a trusted maintenance partner for owners and operators across Europe. The Diamond Authorised Service Centre designation recognises companies that provide consistently high-quality service, technical expertise, and exceptional customer care.

“As a Diamond Service Centre, we are proud to offer the highest levels of service and reliability to the growing Diamond fleet across the UK and Europe,” said John Hamshere, Business Development Manager at ASG. “This is an exciting addition to our service offering, and we look forward to welcoming new and existing customers to Guernsey for professional and client-focused maintenance.”

This appointment further strengthens ASG’s commitment to delivering a premium maintenance offering, ensuring Diamond aircraft owners and operators enjoy exceptional service, safety, and reliability across the region.

About ASG
ASG, part of the Pula Aviation Services group, is headquartered in Guernsey, with an additional base in Northolt, and a line station in Bristol.  Offering a comprehensive range of services for UK and European aircraft owners and operators. Whether visiting Guernsey, seeking technical services, or requiring engineering assistance with the purchase or sale of an aircraft, the team at ASG is ideally positioned to meet these needs.