
Why Freedivers Need Certification
«I already dive — why do I need a certificate?»
I hear this question all the time. Someone trains regularly, enjoys it, sees progress. Used to dive to three meters, now eight. Could hold their breath for a minute, now two. Everything's fine. And then I mention: «There's a course with certification.» A pause and a polite «why?» follows.
It's a fair question. Let's break it down.
Safety — not abstract
Rule number one in freediving: never dive alone. But «not alone» doesn't just mean «someone is swimming nearby.» It's a person who knows what to do if you black out underwater. Who can tell LMC from a full blackout. Who can reach you, flip you over, get you breathing.
That person is your buddy. And ideally, they are certified too.
Freediving is a safe sport — as long as you follow the rules. A certification course isn't a safety lecture you half-listen to. It's practice: you rehearse rescues in the water, you learn to spot problems in your partner and yourself. After the course, those skills live in your body, not just your head.

Peace of mind
When you dive with an instructor, they own everything — they spot you, watch you, guide you. But sooner or later you want to dive without an instructor. With a friend on vacation. At a new spot. With a group of people you found online.
And the question surfaces: do I actually know everything I need to?
Certification is a checklist. Not «I think I remember something from training,» but a specific set of knowledge and skills that you've confirmed. Breath-hold physiology, equalization, safety protocols, rescue — all verified, all locked in.
It's not about the paper. It's about the feeling: I know what I'm doing.
A common language
Say you've been freediving for a year. You fly to Egypt or Bali, find a local instructor, and want to work on your depth. They ask: «What's your level?»
If the answer is «well, I dive to twelve meters, static two minutes» — the instructor has to start from zero. Check your skills, assess your gaps, build a program from scratch.
If the answer is «AIDA2» — they immediately understand what you can do, what you can't, and what to work on. It's a shared language. It works in any country, with any instructor.
For anyone who wants to grow, this is critical. AIDA1, AIDA2, AIDA3 — each level gives you specific skills and specific performance standards. Not «I think I'm getting better,» but «I can do this, and here's what I need for the next step.»
I run some of my trainings with a discount for certified freedivers. Simple reason: with them we can go straight to progress, without spending time on basics.
The AIDA system
AIDA is the largest international freediving organization. Its certification system is the industry standard. Here's how the levels look:
| AIDA1 | AIDA2 Pool | AIDA2 Depth | AIDA3 | AIDA4 | |
|---|---|---|---|---|---|
| What it is | Intro course | Pool | Depth to 20m | Depth to 30m | Extreme freediving |
| Static (STA) | — | 2:00 | — (covered by Pool) | 2:45 | 3:30 |
| Dynamic (DYNB) | — | 40m | — (covered by Pool) | 55m | 70m |
| Depth (CWT) | — | — | 12m | 24m | 32m |
| Exam | No | Yes (75%) | Yes (75%) | Yes (75%) | Yes (75%) |
| Duration | 1 day | 3 days | 2 days (overnight camp) | 3 days | 4+ days |
AIDA1 — the introduction. In one day you get the basics: how to breathe, how to equalize, how to dive safely. Theory plus practice in an 8-meter pool. No performance standards — it's your entry ticket.
AIDA2 Pool — pool, 3 sessions. Two in the 8m pit (static apnea, equalization, rescue drills — including underwater blackout rescue) and one in a sport pool lane (dynamic with fins ≥40m). Plus theory and an exam. No open water — convenient if you're only into pool for now.
AIDA2 Depth — depth (AIDA2 Pool required as a prerequisite). A weekend camp at lake Barbora with an overnight stay: Saturday we arrive, warm up, run the first water session, then dinner, campfire, and a theory review in the evening. Sunday — two more sessions (morning and afternoon), the exam, and drive home. Minimum 12 meters, line work, buddying, rescue from 5–10 meters.
AIDA3 — advanced. Requires AIDA2. Same format as AIDA2 Depth: a prep pool session (static, dynamic, performance standards) + a Barbora weekend camp with an overnight stay. Depth — minimum 24 meters. Frenzel technique, free fall, neutral buoyancy. Rescue from 10–15 meters, mask-off ascent. This one's for people who want to dive seriously.
AIDA4 — extreme freediving. Requires AIDA3. Depth — minimum 32 meters, static — 3:30, dynamic — 70 meters. At this level you work with advanced techniques: mouthfill, deep free fall, rescue from 15–20 meters. AIDA4 is already a serious statement. From here the path opens to competitions, instructor courses, and safety work at events.
How it looks in practice
Every course has three parts:
- Theory — physiology, safety, technique. In class, on your own from the materials, or online.
- Pool — practicing skills in controlled conditions.
- Open water — for AIDA2 Depth and AIDA3: trips to a lake or the sea, dives at depth.
At the end — an exam (except AIDA1) and performance standards.
Important note: you don't have to go in order. AIDA1 isn't required for AIDA2 — per AIDA standards you can start with AIDA2 Pool directly. If you're not interested in open water yet — just take AIDA2 Pool. If you only want a one-day certificate (for a trip, as a gift, or to start small) — AIDA1. Each level is a separate course, no need to buy a «package.»
The path to the certificate: step by step
People often ask: «How does the certificate actually work — do I need to go to some AIDA website?» Yes, you do — but it's straightforward. Here's the whole path from sign-up to the diploma:
- Sign-up and deposit. You pick a course on the website and leave a request. A small deposit locks your spot in the nearest group.
- AIDA registration and access to materials. You register on aidainternational.org and create your AIDA account. I open the course in the AIDA system and add you — you get an invitation email, accept it, and the official AIDA materials (manual, slides) appear in your AIDA personal area. In parallel, on freedivingflow.com you also have a student area — it tracks your course progress and gives you access to the theory exam at the right moment. You read the materials at your own pace beforehand — so on the course we spend time on questions and practice, not on reading aloud.
- Classes. We go through theory together and work in the water. All performances per AIDA standards are done under instructor evaluation. The gear is mine, you just bring a swimsuit and a towel.
- Knowledge and skill assessment. For AIDA2 Pool, AIDA2 Depth, and AIDA3 you take a theory test (75% passing) in your personal area on freedivingflow.com — I unlock access at the right moment. Plus evaluation of your water skills against AIDA performance standards. AIDA1 has no exam and no performance standards — it's an intro course, the instructor simply confirms you've grasped the basics. A retake is possible if something didn't work out on the first try.
- Certificate from AIDA International. Once you've passed, I submit the results to AIDA International. The certificate arrives in your inbox, your name appears in the official AIDA Divers Database — recognized in any country, by any AIDA instructor.

How the course runs in Prague
No fixed dates. You sign up, and as soon as a group comes together — 2 to 8 people — I start a Telegram group and we pick convenient days together. The course is split across several days, not necessarily consecutive: easier to fit into your schedule.
I run courses in Russian, English, and Czech.
Where we train:
- Aquapalace, 8-meter pit — main venue: static apnea, equalization, line work, duck dive technique, turns, underwater rescue
- Pool in Holešovice (lane) — dynamic with and without fins for AIDA2 Pool / AIDA3
- Lake Barbora (Czech Republic) — open water for AIDA2 Depth and AIDA3, weekend camps with an overnight stay
- DeepSpot (Poland, 45m pool) — alternative for AIDA2 Depth via a weekend camp with certification
Equipment can be rented at sign-up — the full kit: fins, mask, wetsuit, weights. If you have your own, you mark it during registration.
You can take part of the course with me and finish it with any other AIDA instructor — within a year from registration. The depth part of AIDA2 and AIDA3 can be done on one of my trips to Egypt, Greece, Cyprus, or the Maldives. Or walk up to any AIDA instructor during your seaside vacation and close the depth with them. Details are always discussed individually.
What it opens
Certification isn't the end point. For some people AIDA2 is all they need: baseline, safety, confidence. Enough to dive with friends and enjoy it.
But if you want to go further — the system allows it. AIDA3 opens the door to AIDA4 — extreme freediving with depths past 32 meters. At that level the serious stuff begins: mouthfill, deep free fall, dives past 30 meters.
And beyond that — even more options. Instructor courses, safety work at competitions, judging. Some people go all the way to championships — national first, then international.
For some it's not relevant. For others — it's exactly what it was all about. Either way, without the system those doors are simply not visible.
Certification isn't a formality for formality's sake. It's a foundation. For safety, for peace of mind, for progression. Whether you need it — is your call. But if you approach freediving seriously, a systemic approach changes everything.
AIDA certification courses in Prague
Sign up for a course — no fixed dates, groups form as people join:
- AIDA1 — Intro Course (1 day, 3 900 CZK)
- AIDA2 Pool — Pool (3 days, 6 500 CZK)
- AIDA2 Depth — Depth to 20m (Barbora weekend camp, 2 days with overnight stay, 8 500 CZK)
- AIDA3 — Depth to 30m (3 days: prep pool + Barbora camp, 11 500 CZK)