Narrative:

During a night approach in aircraft X at ack in the early morning hours; while the control tower was closed; a series of events led to a situation where the aircraft flew over a closed runway with men and equipment on the runway. The captain and pilot flying (PF); first officer (first officer) and the pilot monitoring (pm). Entering the right base for runway 24 at ack; the first officer keyed the pilot controlled lighting for the airfield. Upon rolling out on a 3 mile final both the PF and the pm immediately recognized the runway edge lights for the runway were not lit. However; the approach lighting system and runway threshold and end lights were illuminated. Suspecting the runway was closed; the crew continuing on final as both PF and pm scanned the runway looking for identification that it was closed or unusable. At 1.5 - 2 DME from i-ack; despite being unable to find a red X or other identification the runway was closed or unusable; the PF initiated a go around at 900ft AGL. While on the go around the aircraft was sidestepped to the right of the runway and no men or equipment were overflown. During this maneuver; ground personnel contacted the crew via radio on the CTAF frequency and informed them that runway 6/24 was closed but 15/33 was open. The crew acknowledged this and continued on the upwind for runway 24. When traffic pattern altitude was reached; a turn to the left downwind for runway 33 was made; and the aircraft made an uneventful landing on runway 33. After landing the crew taxied off the runway to the apron and deplaned passengers without incident. We spoke to a line man about not being able to see a red X on the runway. The lineman made a comment that the X's were supposed to be deployed; but to his knowledge they had not been. 1. The flight crew should double check the notams prior to flight. 2. The airport should deactivate all lighting systems for a closed runway. 3. The airport should ensure that the red X runway closure indicators are in place and operational prior to beginning work on a closed runway.

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Original NASA ASRS Text

Title: PC12 flight crew reported closed runway was improperly marked at ACK.

Narrative: During a night approach in Aircraft X at ACK in the early morning hours; while the Control Tower was closed; a series of events led to a situation where the aircraft flew over a closed runway with men and equipment on the runway. The Captain and Pilot Flying (PF); First Officer (FO) and the Pilot Monitoring (PM). Entering the right base for runway 24 at ACK; the First Officer keyed the pilot controlled lighting for the airfield. Upon rolling out on a 3 mile final both the PF and the PM immediately recognized the runway edge lights for the runway were not lit. However; the Approach Lighting System and Runway Threshold and End Lights were illuminated. Suspecting the runway was closed; the crew continuing on final as both PF and PM scanned the runway looking for identification that it was closed or unusable. At 1.5 - 2 DME from I-ACK; despite being unable to find a red X or other identification the runway was closed or unusable; the PF initiated a go around at 900ft AGL. While on the go around the aircraft was sidestepped to the right of the runway and no men or equipment were overflown. During this maneuver; ground personnel contacted the crew via radio on the CTAF frequency and informed them that Runway 6/24 was closed but 15/33 was open. The crew acknowledged this and continued on the upwind for runway 24. When traffic pattern altitude was reached; a turn to the left downwind for runway 33 was made; and the aircraft made an uneventful landing on Runway 33. After landing the crew taxied off the runway to the apron and deplaned passengers without incident. We spoke to a line man about not being able to see a red X on the runway. The lineman made a comment that the X's were supposed to be deployed; but to his knowledge they had not been. 1. The flight crew should double check the NOTAMs prior to flight. 2. The airport should deactivate all lighting systems for a closed runway. 3. The airport should ensure that the red X runway closure indicators are in place and operational prior to beginning work on a closed runway.

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.