The phrase "diving about" is correct and can be used in written English.
It is often used to describe someone moving or acting in an erratic or unpredictable manner. Example: The children were diving about in the pool, splashing and laughing uncontrollably.
"It takes a lot to get over mentally - getting back to the full swing of things, diving about," he told BBC WM. "It's a case of getting full fitness and sharpness, then knocking on the door and asking a few questions.
Rather than huffing, puffing and parping indignantly about referees, about diving, about surrounding the referee, German football gets its knickers in a twist over bigger issues.
After picking up free diving about 20 years later, she went on to set 41 world records and claim 23 world championship titles.
He said that he became interested in rescue diving about 18 years ago when he was out having fun with some friends diving on cliffs.
They began diving about three years ago, and Mr. Sands had only recently discovered his flair for photographing fish.
As of 2013, your average consumer could purchase a basic unmanned underwater vehicle, capable of diving about 325 feet underwater, for just $900.
In swimming pools, they dived about twice as often in October March as in April September and least often in July September.
Despite being strong in the water, I had three neuroses about diving: agoraphobia about the vast open expanses, claustrophobia about poor visibility, and acrophobia, fear of the drops.
Rough seas had delayed his dive about two weeks.
It took him a year to dive about 80 feet, and his deepest dive was about 85 feet.
You have to dive about five feet and swim about the same distance.
