The aircraft that wnet into the side of the Avon Gorge was a Vampire, and as I undertand it, far from the only one to go underneath!
The late John Jordan was reputed to have taken his Stearman under the Orwell Bridge at Ipswich during a display there a couple of decades ago.
Then there was the "Phantom" who threaded a Rallye through the Arc de Triomphe several times around 1980, and the American who flew a
Bonanza underneath the Eiffel Tower.
I hear tell that the magnificent Millau Bridge has cables strung beneath the deck to, er, dissuade les pilotes from being naughty.