1At a glance
- Initial Search Duration
- 1 minute (60 seconds)
- Search Pattern
- 360-degree slow turn, looking up, down, and around
- Max Separation Distance for Search
- Within visibility range, typically 3-5 metres (10-16 feet)
- Ascent Rate (No-decompression)
- No faster than 9 metres (30 feet) per minute
- Safety Stop Depth
- 5 metres (16 feet)
- Safety Stop Duration
- 3 minutes
- Surface Action
- Inflate BCD, scan for buddy, signal boat
2The Standard Protocol: Search, Ascend, Signal
When you realise your buddy is no longer beside you, the immediate action is to stop, turn 360 degrees, and search for 60 seconds. This search should be a slow, methodical pivot, looking up, down, and all around within your visibility range. Many separations are momentary, and your buddy might be just behind an obstruction or slightly above/below you.
If, after one minute, your buddy is not found, you must begin a slow, controlled ascent to the surface, maintaining a rate no faster than 9 metres (30 feet) per minute. Perform a standard 3-minute safety stop at 5 metres (16 feet) depth. This allows any dissolved nitrogen to off-gas safely and provides an opportunity for your buddy, if they also ascended, to spot you.
Upon reaching the surface, immediately fully inflate your BCD, check your air supply, and look around for your buddy. Signal the dive boat or shore support to indicate your presence and the situation. Never re-descend alone to search for your buddy unless specific, pre-arranged protocols are in place for such an event and you are trained for it.
3Lost Buddy Procedure Variants & Considerations
| Scenario | Primary Action | Search Duration | Ascent/Surface Action | Liveaboard Relevance |
|---|---|---|---|---|
| Standard Separation | Stop, turn, look | 60 seconds | Controlled ascent, safety stop, surface for pick-up | Standard protocol, always taught & reviewed |
| Low Visibility (e.g., night dive) | Use torch to signal, sweep area | 60 seconds | Controlled ascent, safety stop, surface immediately | Emphasised during night dive briefings; hold buddy line |
| Strong Current / Drift Dive | Inflate SMB, hold position | 60 seconds (while drifting) | Controlled ascent, safety stop, stay with SMB on surface | Briefings include drift procedures & specific pick-up zones |
| Overhead Environment (e.g., cave/wreck) | Follow guideline to exit | No immediate search; follow rule of thirds | Exit environment along line, then surface | Requires specialised training; not typical for recreational liveaboard |
| Buddy in Distress (e.g., out of air) | Emergency ascent with buddy, or offer alternate air | Immediate action for distress, not search | Controlled emergency ascent with buddy, surface for help | Distinct from 'lost' buddy; involves direct assistance |
4Prevention: The Best Strategy
While knowing the Lost Buddy Procedure is crucial, prevention is always the best strategy. Before every dive, establish clear communication signals, agree on a maximum depth, dive time, and minimum air pressure for turning the dive or ascending. Discuss how you will manage potential problems, including separation.
During the dive, maintain constant awareness of your buddy's position. Periodically check over your shoulder, ensure you are within arm's reach or a comfortable visual range, and stay on the agreed-upon dive plan. Adjust your position if you find yourself drifting too far or losing sight.
Factors like strong currents, low visibility, or complex dive sites increase the likelihood of separation. In such conditions, consider holding hands, using a buddy line, or maintaining an even closer proximity to enhance safety and prevent needing to execute the Lost Buddy Procedure at all.
5Liveaboard Specifics: Group Dynamics and Dive Briefings
Liveaboard diving often involves diving in varied groups, sometimes with new buddies. Comprehensive dive briefings before each dive are indispensable. These briefings will cover the specific Lost Buddy Procedure for that site, including designated surfacing points, common current directions, and boat pick-up protocols. Pay close attention and ask questions if anything is unclear.
Many liveaboards operate on a 'buddy team responsibility' principle, but also establish clear general rendezvous points. If you ascend after a separation, the protocol might include remaining at a specific surface location (e.g., a buoy, a rock, or the boat itself) and waiting for a predetermined time before seeking further assistance. The boat crew will typically monitor divers and initiate search protocols if anyone is unaccounted for.
Always confirm your buddy's readiness and comfort with the dive plan and the Lost Buddy Procedure before entering the water. On liveaboards, the dive guides are highly experienced and will reinforce these safety measures, often leading the way to ensure group cohesion and provide an additional layer of oversight, but ultimately, your buddy team is responsible for each other.
6Common misconceptions
Myth: If I lose my buddy, I should re-descend to find them. Fact: Never re-descend alone to search for your buddy unless you have specific, advanced training and a pre-arranged protocol for such an event. The primary risk is that both of you might be searching for each other at different depths, or you might put yourself in danger solo.
Myth: My dive guide will always keep track of me and my buddy. Fact: While dive guides provide an additional layer of safety and oversight, especially on liveaboards, your primary responsibility is to your buddy, and vice versa. Dive guides manage groups, but individual buddy teams are accountable for maintaining proximity and following protocols.
Myth: The 60-second search is a hard rule, even if I see my buddy struggling nearby. Fact: The 60-second search applies when you *lose sight* of your buddy. If you see your buddy in distress, you should immediately respond to their emergency (e.g., providing air, assisting ascent), which takes precedence over the standard 'lost' procedure.
FAQ
What is the 60-second rule in scuba diving?
The 60-second rule refers to the duration you should spend searching for your dive buddy immediately after realising you are separated. If your buddy is not found within this minute, you should begin a controlled ascent to the surface.
What happens if I lose my dive buddy?
If you lose your dive buddy, you should stop, turn 360 degrees, and search for 60 seconds. If not found, make a controlled ascent to the surface, perform a 3-minute safety stop at 5 metres (16 feet), and signal the boat upon surfacing.
Should I go back down to find my buddy if I surface?
No, you should not go back down to find your buddy if you have surfaced alone. Both divers ascending separately and waiting on the surface is the safest protocol to ensure everyone's well-being and reunite.
Why is buddy diving so important?
Buddy diving is crucial because it provides mutual support in emergencies, helps with equipment checks, allows for shared navigation, and significantly enhances safety and enjoyment by having a second person for assistance.
What's the difference between 'lost buddy' and 'buddy in distress'?
A 'lost buddy' means you've simply become separated and can't see them. A 'buddy in distress' means you can see your buddy and they are experiencing an emergency, requiring immediate assistance rather than a search.