Comets XA-NAS Mexicana cn 6425 Mk.4C Comet Mk.1 Comet Mk.2 Comet 3 – the hybrid prototype Comet Mk.4s DH 118 Comet 5 BEA Experiences Comet – Accidents and Incidents Comets in Service – Airlines and Air Forces Introduction Copyright © David Young 2021 Airlines