Blog · Standards
EN 1789 Explained: Why the Standard Your Ambulance Is Built To Matters
Nobody chooses an ambulance provider on the basis of vehicle construction standards. People choose on price, availability, and whether the photo on the website looks reassuring.
That is understandable, but it means the question that matters most in the one scenario nobody wants to think about — what happens if the ambulance carrying your patient is involved in a collision — goes unasked.
There is a published European standard that answers it: EN 1789, Medical vehicles and their equipment — Road ambulances. The current version is EN 1789:2020, amended in 2024.
What the standard covers
EN 1789 specifies requirements for the design, testing, performance and equipping of road ambulances used for the transport, monitoring, treatment and care of patients. It applies to any road ambulance capable of carrying at least one person on a stretcher.
It goes considerably further than an equipment checklist. It covers:
- Vehicle dimensions
- Engine type and performance characteristics, including acceleration and braking capacity
- Traction control
- Fire safety
- Heating and cooling
- The design and ergonomics of the patient compartment
- The working environment and the safety of crew and patients
- Lighting, doors and windows
- Cabinet securing systems
- Seat size, position, and seat and seatbelt anchorage
- Restraint of medical equipment
- Static, dynamic and impact testing
It also covers ambulances intended to carry transport incubator systems.
The three types
EN 1789 classifies road ambulances by the level of treatment that can be carried out in them, in increasing order:
Type A — Patient Transport Ambulance. For the scheduled transport of patients who are not expected to become emergency patients. Subdivided into A1 (designed for a single patient) and A2 (designed for one or more patients on stretcher or chair).
Type B — Emergency Ambulance. Constructed and equipped for the transport, basic treatment and monitoring of patients.
Type C — Mobile Intensive Care Unit. Constructed and equipped for the transport, advanced treatment and monitoring of patients.
The distinction is capability, not size. A physically large Type A vehicle is still a Type A.
What the standard does not cover
This is important, and it is where people misread it.
EN 1789 explicitly does not cover the approval and registration of the vehicle, or the training of the staff. Both are the responsibility of the authority in the country where the ambulance is registered.
In Dubai, that authority is the Dubai Corporation for Ambulance Services, which inspects and classifies ambulances at levels 4, 5 and 6, and separately licenses the clinicians who crew them.
So the two frameworks answer different questions:
| Question | Answered by |
|---|---|
| Is the vehicle built and tested to a recognised safety standard? | EN 1789 |
| Is this vehicle approved to operate in Dubai, at what level? | DCAS |
| Is the person treating the patient licensed to do so? | DCAS |
A Type C body does not make a service a level 6 service. The crew licence does that. And a level 6 licence does not tell you anything about how the vehicle would perform in a collision. You want both answers.
What DCAS checks, and what it does not
DCAS inspects ambulances against its own technical fittings forms — one each for level 4, level 5 and level 6 — and the difference between them is largely clinical equipment: airway management, monitoring, vascular access, obstetrics. Alongside that sits a short safety and injury prevention section common to all three levels, covering restraint systems at every designated seating position, a safety catch net at the medic bench, a protective helmet for every crew member, a fire extinguisher, reflective warning triangles, reflective safety wear and flashlights with spare batteries.
That is a floor for what must be carried and fitted. It is not a crash-testing regime for how the compartment is built. Vehicle specification and exterior requirements are handled in a separate DCAS checklist again.
So the honest summary for a buyer: DCAS approval confirms a vehicle is equipped and fitted to operate at its authorised level in Dubai. EN 1789 compliance is an additional, voluntary construction standard on top of that. Neither substitutes for the other, and a provider claiming one should not be allowed to imply the other.
The parts that matter most, and why
10g dynamic crash testing
The most consequential requirement in the standard. Components in the patient compartment — the stretcher and its mounting, seats, equipment holders — are subjected to dynamic testing at 10 times gravitational acceleration.
Why it matters. In a collision, an unsecured object accelerates at roughly the same rate as the vehicle decelerates. A 10kg monitor in a 50 km/h impact arrives with the force of a small motorcycle. The patient is strapped to a stretcher and cannot move. The crew are frequently unbelted because they are working.
Crash testing to 10g is the difference between equipment staying where it was put and equipment becoming a projectile in an enclosed metal box containing a patient who cannot defend themselves.
Equipment restraint and cabinet securing
Every item of medical equipment must be restrained, and cabinets must have securing systems.
Why it matters. Ambulances brake hard and corner hard as a matter of routine, not just in accidents. A cabinet that opens under braking spills its contents across the floor of a moving vehicle, into the space a crew member needs to stand.
Seating — forward-facing or rotatable, not bench
A compliant patient compartment uses forward-facing or rotatable seats with proper anchorage and restraint, rather than a side-facing bench.
Why it matters. Vehicle crash forces act primarily along the direction of travel. A three-point belt on a forward-facing seat restrains you against those forces. A side-facing bench does not — a lap strap on a bench leaves the upper body free to rotate and strike whatever is adjacent.
Bench seating survives in a lot of ambulance conversions because it is cheap and it seats more people.
A local nuance worth being accurate about. DCAS does not prohibit a medic bench. Its technical fittings inspection forms require that every designated seating position in the patient compartment has a restraint system appropriate to that seating configuration, and separately require a safety catch net at the medic bench. So a bench with a compliant net and restraint can pass a DCAS inspection.
EN 1789 and DCAS are answering different questions here. DCAS sets the minimum that must be present for a vehicle to be authorised in Dubai. EN 1789 sets a construction and crash-testing standard that goes further on occupant protection. A vehicle can satisfy the first without satisfying the second. If seating configuration matters to you, ask specifically rather than assuming a DCAS-approved vehicle is an EN 1789 vehicle.
Patient compartment ergonomics and lifting
The standard sets ergonomic requirements for the compartment and places practical restrictions on the physical lifting of patients into and out of the vehicle.
Why it matters. Ambulance crews sustain career-ending back injuries at a notable rate, and every one of those is also a patient-safety event — a dropped or jolted patient, a crew member who cannot continue treatment. Designing lifting out of the job protects both parties.
Vehicle performance requirements
Braking capacity, acceleration, traction control, and the heating and cooling of the compartment.
Why it matters. A converted van carries several hundred kilos of equipment and people above its standard payload, and its braking behaviour changes accordingly. Compartment cooling is not a comfort item in this region — patients in shock, patients with burns, and heat illness patients all deteriorate in an overheated compartment, and so does some of the medication carried on board.
What to ask a provider
If you want to check rather than take a claim at face value, ask for:
- Which type the vehicle is built to — A1, A2, B or C — and which version of the standard.
- The EU type examination certificate and the declaration of conformity.
- The dynamic crash test report from an accredited laboratory, linked to the specific vehicle model offered.
- Photographs of the patient compartment, or better, a physical inspection. Look at the seats.
A provider who has genuinely invested in compliant vehicles will be pleased you asked, because it is expensive and nobody usually notices. A provider who has not will produce a general statement about high standards.
An honest note on cost
EN 1789 compliance is not free. A compliant conversion is meaningfully more expensive than a non-compliant one, and it seats fewer people. That cost is in the price of every job.
It is worth being straightforward about this. The standard buys you protection against a low-probability, high-severity event. Most patients will never be in a vehicle collision, and for them the standard changes nothing they will ever perceive.
But it is a reasonable question to ask what a provider has chosen to spend money on where the client cannot see it — because that tends to predict what else they have chosen to spend money on.
Where ART fits
ART Ambulance Services LLC operates an EN 1789 fleet in the UAE. We are the UAE subsidiary of Ambuce Rescue Team, founded in Belgium in 1975, and the group has built to European ambulance standards for as long as those standards have existed — so this was never a decision we had to make, it was simply how vehicles get specified.
Our vehicles are inspected and classified by DCAS at levels 4, 5 and 6, and we are happy to show you one.
+971 800 1020 · info@art-ambulance.ae
Sources include EN 1789:2020 (as summarised by CEN and national standards bodies) and the DCAS Level 4, 5 and 6 technical fittings inspection forms. This article is for general information and does not replace the standard itself. Always verify current requirements with the relevant standards body and with the Dubai Corporation for Ambulance Services.