An additional airline...
There was one Comet 4 (C/n 628, HC
ALT) on the Ecuadorian register - operated by AREA. View Large View Medium
Photo © Derek Day
The a/c was purchased in March 66 from BOAC, before being WFU @ Miami in March 68. It was finally broken up some 10+ years later.
The RCAF also operated a couple of Comet1, one of which made it into non commercial ownership. View Large View Medium
Photo © The Binman
operated Comets first with LV
PLM (c/n 6418) delivered in early 1959. Half a dozen aircraft were delivered within a couple of years, and a further one in 1962. Three aircraft were written off between August 59 and November 61.
operated Comets purchased new (delivered from 1960) and also some purchased secondhand from BOAC.AFAIK, no MX
aircraft were written off.
Both airlines had sold their Comet fleets by the end of 1971
If we're discussing Comets in the Americas, there were of course a number of other aircraft registered in USA too.
I don't like signatures...