Emergency services across swaths of England
Swathes is the more generally accepted spelling, although 'swaths' is not wrong.
a sonic boom from two RAF Typhoon jets.
a sonic boom caused by a pair of Royal Air Force Typhoon jets breaking the sound barrier,
Two jets, two booms, surely?
MoD officials gave the jets the green light to go “supersonic, which resulted in the sonic boom”.
Apostrophes wrongly placed.
The jets, based at RAF Conningsby in Lincolnshire, were already on route by the time the pilot realised his mistake and switched to the correct one.
Switched to the correct what? 'One' is unqualified.
"Supersonic flight was authorised by London Military Air Traffic Control which is only allowed in exceptional circumstances over land."
Incorrect order of dependent clause.
I can't even be bothered to go on reading it. This is an utter disgrace to a so-called quality newspaper.