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What Happens Before an Air Ambulance Flight Is Approved?

Before an air ambulance flight can take off, a detailed medical approval process is required. This ensures that the patient is stable enough to fly and that the medical team, aircraft, and equipment match the patient’s condition. On this page you will learn how medical assessments are carried out, which documents are needed, how risks are analysed, and how flight doctors determine the safest form of transport.

Why medical approval is required

Every air ambulance mission begins with a detailed health and safety evaluation.

An air ambulance flight can only be approved after a thorough medical review. This is because flying changes oxygen levels, cabin pressure, and physical stress — factors that can affect patients differently. The approval process ensures that all medical risks are carefully considered before take-off.

Flight doctors evaluate the patient’s stability, treatment needs, and the urgency of the situation to determine whether transport by air ambulance is both safe and necessary.

Key reasons for medical approval

  • To check whether flying is medically safe
  • To determine required equipment and medical staff
  • To identify risks related to altitude and cabin pressure
  • To ensure the patient receives appropriate care during flight
Air ambulance aircraft ready for deployment
Medical approval prevents avoidable in‑flight complications.

How the medical assessment works

Flight doctors evaluate the patient based on international fit‑to‑fly guidelines.

Steps of the medical assessment

1

Medical intake

The team gathers information about the patient’s condition, diagnosis, and current treatment.

2

Fit‑to‑fly evaluation

Flight doctors check if the patient’s condition is stable enough for air transport.

3

Equipment determination

Based on the assessment, required medical equipment and oxygen levels are defined.

4

Flight crew planning

The medical escort team (doctor, nurse, or both) is selected according to the patient’s needs.

5

Final medical approval

Once all factors are confirmed safe, the mission is officially approved.

Medical team reviewing patient condition
The medical assessment determines if and how air transport can be done safely.

Required medical documentation

Accurate and complete medical information speeds up approval significantly.

Documents needed for air ambulance approval

  • Recent medical summary from the treating hospital
  • Relevant scans, test results, and specialist reports
  • Detailed medication list with dosages
  • Oxygen requirement reports, if applicable
  • Stability assessment from the treating physician

The medical team needs these documents to understand the patient’s condition thoroughly. Incomplete or outdated documentation is one of the most common reasons for delays in approval.

Medical documents required for air ambulance approval
Providing complete documentation helps avoid delays.

Risk analysis by flight doctors

Every mission includes a risk analysis based on international aeromedical standards.

Flight doctors analyse all risks associated with altitude, cabin pressure, and the patient’s specific medical condition. For example, some patients with brain injuries, severe infections, or unstable cardiac conditions may require special cabin pressure settings or additional equipment during flight.

Typical risk factors

  • Potential for rapid deterioration
  • Oxygen dependency or respiratory instability
  • Risk of bleeding, stroke, or cardiac events
  • Infection control requirements
  • Special handling for immobilised or ICU patients
Air ambulance aircraft preparing for medical evacuation
Risk factors must be evaluated before the mission is approved.

Choosing the safest transport option

Based on the assessment, doctors decide which transport method ensures the highest level of safety.

Patients needing intensive or continuous medical care

Air ambulance

A fully equipped medical aircraft staffed by a specialised team.
Vorteile
  • Highest medical capability
  • Fast and direct transport
  • Ideal for unstable or ICU patients
Nachteile
  • Higher operational cost
Patients who are stable but require medical monitoring

Medical escort on commercial flight

A nurse or doctor travels with the patient on a regular airline.
Vorteile
  • More cost-effective
  • Suitable for stable patients
Nachteile
  • Dependent on airline medical approval
Short or moderate distances

Ground ambulance

A land-based ambulance with continuous monitoring.
Vorteile
  • Flexible and widely available
Nachteile
  • Longer travel times

Häufig gestellte Fragen

Flying changes cabin pressure and oxygen levels, which can affect certain medical conditions. A medical assessment ensures the patient can fly safely.
A certified flight doctor reviews the medical reports and determines whether air transport is safe.
A recent medical summary, specialist reports, test results, medication list, and treating physician contact details are usually required.
If all documents are complete, approval can often be given within a few hours. Complex cases may take longer.
Yes, but only in a fully equipped air ambulance with a doctor and intensive care equipment.
Severe respiratory distress, uncontrolled bleeding, untreated pneumothorax, and some infectious diseases may temporarily prevent air travel.
Yes. Air ambulances carry high-capacity oxygen systems tailored to patient needs.
In most cases, yes, depending on seat availability and medical complexity.
Yes. The flight doctor must confirm that the patient is stable enough for air transport.
Yes. Air ambulances operate worldwide and can transfer patients between hospitals across continents.
Coverage depends on the policy. Many insurers require proof of medical necessity to reimburse the costs.
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