What Aviation Teams Need to Know About MedAire's Fit to Fly solution
Fit to fly assessments help aviation teams determine whether a passenger is medically fit to travel before the aircraft departs, covering a wide range of injury and illness. Fit to Fly is in included as part of a Medlink membership, covering the full passenger journey and support the operator or airline's risk mitigation strategy.
A Passenger Fit to Fly assessment is a day-of-travel medical review used when a passenger presents with symptoms, an injury, or another health concern before or during boarding. MedAire provides a medical recommendation on whether the passenger appears suitable to travel on the planned flight segment.
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Passenger concern identifiedA passenger presents with symptoms, an injury, or a disclosed medical condition that requires review before boarding. |
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MedAire contactedStaff contact medical professionals through a dedicated Fit to Fly line, digital portal, or established support process. |
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Clinical review completedMedical professionals assess the passenger's symptoms, history, current condition, and relevant travel details to form a clinical view. |
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Recommendation providedMedAire provides a medical recommendation based on the information available. The airline or operator makes the final decision on whether to carry the passenger.. |
The most common pre-flight assessment categories in MedAire case data include:
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Gastrointestinal Nausea, vomiting, diarrhea, abdominal pain |
Musculoskeletal Injury, fractures, reduced mobility |
Neurological Headache, dizziness, altered consciousness |
Obstetrical / Gynecological Pregnancy-related concerns before travel |
Injury / External Wounds, burns, post-procedure complications |
These cases often involve symptoms or conditions that are visible, reported, or clinically apparent before boarding.
Fit to Fly assessments help aviation teams make informed decisions before the aircraft departs, on the day of travel. They can help determine whether:
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This is especially useful for conditions that can be identified on the ground, such as mobility limitations, recent injury, pregnancy-related concerns, gastrointestinal illness, or post-procedure complications.
While MedAire provides their recommendation, the airline or operator is ultimately responsible for the final decision.
MedAire case data shows that pre-flight and in-flight medical cases do not always follow the same pattern. Conditions that are visible such as injuries and pregnancy appear frequently in pre-flight assessments but in-flight events are led by neurological cases, many of which present without warning.
Pre-Flight vs. In-Flight Medical Cases by Condition
Share of cases within each setting — Source: MedAire 2025 case data
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| Neurological |
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| Gastrointestinal |
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| Musculoskeletal |
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| Obstetrical / Gynecological |
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| Injury / External |
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| Respiratory |
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| Cardiovascular |
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Neurological events represent a much larger share of in-flight medical events. Many can present suddenly or without obvious warning signs, making them difficult to identify through a Fit to Fly assessment.
Not every medical event can be identified before departure.
Fit to Fly assessments are particularly valuable when a concern is visible, reported, or clinically apparent before boarding. They give teams an opportunity to assess the situation earlier, while the passenger/guest is still on the ground and more options are available.
Some events, such as fainting, may be influenced by factors like dehydration or fatigue. More serious neurological events, such as stroke or seizure, may occur without clear pre-flight indicators. This makes them difficult to predict through pre-flight assessment alone.
In-flight medical advisory support remains essential because some events only become apparent after takeoff. This is especially true for neurological, cardiovascular, respiratory, and other acute conditions that may develop suddenly during flight.
MedLink — 24/7 In-Flight Medical SupportPassenger health patterns continue to change as travel behaviors evolve.
One emerging area is post-procedure travel, including passengers who have recently undergone cosmetic surgery or other medical treatment. These cases may involve swelling, pain, wound concerns, reduced mobility, or other recovery considerations that could affect the passenger’s ability to complete the journey.
As medical tourism grows, aviation teams may see more passengers traveling soon after treatment. A Fit to Fly assessment can help determine whether additional medical review is needed before travel.
Passengers should consider medical advice before travel if they have:
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If there is uncertainty, medical review before travel is safer than waiting until the passenger is airborne.
Fit to Fly assessments and 24/7 in-flight MedLink support cover the full passenger journey from pre-boarding to destination.
MedAire's passenger Fit to Fly and MedLink support help aviation teams make safer medical decisions, before departure and throughout the flight.
| Explore Fit to Fly | Learn About MedLink |