> I think a closer estimate is probably total annual operational costs divided by total shouts, (£18 MM / 2,000) or about £9,000 per shout.

That's a more useful estimate than merely the flight costs, agree - though the fixed operation costs don't change much in an 1800 vs a 2100 callout scenario.

> Still an order of magnitude less than the commercial US operators.

It's wild!