Originally Posted by The SSK
I struggle to remember the engineering Comet airframe
The book linked to above provides the answer: G-APDT c/n 6420. Delivered 19.10.59. Leased to Mexicana as XA-POW 25.11.65. Returned to BOAC 6.12.69 for apprentice training at Heathrow. Then to Heathrow Fire Service.