Complex sentence: The Constellation had left Orly at 22:00 and was due at Nice at 23:55 at 23:25 the aircraft requested permission to descend from 13,600ft to 11,500ft and reported violent local storms.
Split into simpler sentences: The Constellation had left Orly at 22:00 and was due at Nice at 23:55. At 23:25 the aircraft requested permission to descend from 13,600ft (4 145 m) to 11,500ft (3 & thinsp505 m) and reported violent local storms.