Most hours logged in a diving helmet
- Who
- Noel McCully
- What
- 26969.75 hour(s)
- Where
- United States (Hampton)
- When
- 18 March 2021
The most hours logged in a diving helmet is 26,969.75, and was achieved by Noel McCully (USA) between 1976 and 2021.
Noel officially retired from commercial diving on his 70th birthday.