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- I lose my buddy or do not monitor the environment
What is happening
At some point you look around and your buddy is gone, often after you have not checked on each other for a while. Poor visibility, current, a different pace or focus on a task can turn a buddy dive into an effective solo dive.
Why it happens
Ordered from the most common cause down. Open one to see the mechanism behind it.
In poor visibility, visual contact is easily lost, and surf or current can quickly separate two divers. The conditions require a closer position and more frequent checks.
- poor visibility
- surf or current
- separating during a turn
Under stress or during a new task, attention can fix on one problem and miss the environment. This is called perceptual narrowing and makes buddy checks less frequent.
- using a camera or compass
- solving an equipment problem
- an unfamiliar environment
When one diver hurries to catch a group or instructor, the pair can stretch out and separate. The slower or more heavily loaded diver is left isolated.
- swimming to catch the group
- different fitness levels
- different gas consumption
When you are unsure where you are and where you are heading, you may make an unexpected change in direction or depth. This increases the risk of separation and anxiety.
- no agreed direction
- no landmarks
- an unexpected plan change
Without a pre-dive plan, the two of you may have different expectations about distance, direction or what to do if separated. Clearly assigned buddies and a reunification procedure reduce this uncertainty.
- it is unclear who your buddy is
- no separation plan
- no pre-dive buddy check
What to try on your next dive
One thing, not ten. Give it a full dive before you judge it.
Buddy contact plan
- Clearly assign buddies and review the key signals together.
- Agree distance, pace, direction and the procedure if separated.
- During the dive, maintain continuous visual or physical contact and check each other often.
- Before every change in direction, depth or task, confirm your buddy's position.
- On land, rehearse the search sequence and slow ascent after separation.
- Reduce task loading until you feel comfortable in the water.
How you will know it is working
| Published reference | Value | Source |
|---|---|---|
| Proximity standard | continuous visual or physical contact | NOAA Diving Standards and Safety Manual |
| Search before ascent after separation | no more than 1 minute | DAN — Buddy Separation During Scientific Diver Training |
After the dive, note whether you maintained continuous contact and whether both of you knew the agreed separation procedure.
- Do not assume your buddy deliberately continued alone, and do not continue the dive without attempting to reunite.
- After the brief search, follow the agreed procedure and ascend slowly, not uncontrollably.
- On a buddy dive, both divers return to the surface together. Do not leave an inexperienced diver alone at depth.