2024 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2023 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2022 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2021 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2020 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2019 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2016 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2015 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2014 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2010 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)

2009 14 CFR 135.271 – Helicopter hospital emergency medical evacuation service (HEMES)