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Fatigue common among US helicopter air ambulance pilots

Fatigue Characteristics and Perceptions in US Helicopter Air Ambulance Pilots
Air Medical Journal · 2026-07-31 · Added 29 October 2026

A US survey of 120 helicopter air ambulance pilots across 21 operators found 53% reporting poor sleep quality, 34% admitting to nodding off during a flight, 87% reporting sleep inertia affecting work performance, and fatigue rated worst on the return-to-base leg.

Study type
Cross-sectional
Design
Cross-sectional survey with standardised sleep questionnaires
Participants
120 pilots across 21 US HAA operators
Main finding
53% reported poor sleep quality; 71% felt fatigue was most prevalent on the return-to-base leg; 69% named flight request volume as the biggest schedule-related contributor; 34% reported nodding off in flight; 87% said sleep inertia affected performance.
Caveat
Self-reported survey of volunteers — response rate not reported and self-report of nodding off may undercount.
Bottom line
Context only

Why it matters in Australia (Medium relevance). Australian aeromedical crews face similar rostering and fatigue pressures even though this surveyed US pilots; fatigue risk management is a shared aviation-medicine problem.

Learning goal

Understand how aviation fatigue and sleep inertia affect safe aeromedical retrieval practice in Australia.

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