| Date | 9 September 1975 |
|---|---|
| Location | Bruce oil field, East Shetland Basin, North Sea, Scotland |
| Coordinates | 59°46′17.42″N 1°33′6.048″E / 59.7715056°N 1.55168000°E |
| Cause | rapid pressurization of chamber |
| Participants | Peter Henry Michael Holmes, Roger Baldwin |
| Outcome | death due to hyperthermia |
| Inquiries | Fatal accident inquiry (Scotland), March 30–31, 1977 |
The Waage Drill II diving accident occurred in the North Sea off Scotland on 9 September 1975, when two divers died of heatstroke after the chamber they were in was inadvertently pressurised with helium gas.[1]