Narrative:

My crew was dispatched from ZZZ to ZZZ1 at which point we were to pick up a patient in ZZZ1 and take them to a better care facility in ZZZ2. I was taking a safety nap when dispatch came in; because of sleep inertia I assumed that we were leaving from ZZZ to ZZZ2; which is our routine flight and because of this I took my time filing flight plans and even took a shower because our medics usually take about 30 minutes packaging the patient to bring them to the plane. One of the medics came in the crew quarters and ask if I was ready for departure; it was at this point that I realized that I had sleep inertia and had planned the flight completely wrong. I hurriedly exited the crew quarters and entered the plane; took off to ZZZ1 without checking notams. The runway was notamed closed for resurfacing; I did not notice the yellow X off the end of the runway because it was laying in weeds which blocked my view of it from a lateral angle. There were no workers or equipment present on the runway. I spoke with the airport manager and he gave me permission to depart ZZZ1.

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Original NASA ASRS Text

Title: C90 Captain reported being awakened from sleep to fly a medevac flight but not comprehending the assignment due to fatigue. When informed that the flight is ready to depart he quickly jumped in the aircraft without checking NOTAMs. After landing he learned that the airport was closed for runway resurfacing.

Narrative: My crew was dispatched from ZZZ to ZZZ1 at which point we were to pick up a patient in ZZZ1 and take them to a better care facility in ZZZ2. I was taking a safety nap when dispatch came in; because of sleep inertia I assumed that we were leaving from ZZZ to ZZZ2; which is our routine flight and because of this I took my time filing flight plans and even took a shower because our medics usually take about 30 minutes packaging the patient to bring them to the plane. One of the medics came in the crew quarters and ask if I was ready for departure; it was at this point that I realized that I had sleep inertia and had planned the flight completely wrong. I hurriedly exited the crew quarters and entered the plane; took off to ZZZ1 without checking NOTAMs. The Runway was NOTAMed closed for resurfacing; I did not notice the yellow X off the end of the runway because it was laying in weeds which blocked my view of it from a lateral angle. There were no workers or equipment present on the runway. I spoke with the Airport Manager and he gave me permission to depart ZZZ1.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.