Narrative:

Upon landing at kahului airport, hi, we (my captain and I) noticed that there was a crew of workers off to the left near the intersection of runways 2 and 5. At the time, kahului was closed (center had cleared us for ILS runway 2). Kahului is class C airspace until XA00 pm. Runway appeared clear for landing as workers were off to side. We landed without incident to find that they were partly on runway and called FSS to see if runway was in fact closed. FSS confirmed closure. Note: captain called FSS prior to flight but no one answered. Received patwas brief -- no mention of runway closure. Of course it is our responsibility as the pilots to get all available information concerning the flight (ATC delays, runway closures, etc). However, we were cleared for the ILS to the closed runway. This is a daily flight and no NOTAM was sent or posted for us in our operations department. Runway lights to runway 2 came on. No visible markings were seen to indicate runway closure (no barriers). No workers were monitoring tower/CTAF frequency. Maybe at uncontrolled airports more should be done to indicate the runway is closed (eg, turn off runway lights, put up lighted barriers to visibly show its closure, require workers to monitor and be able to transmit on CTAF frequency while working). None of these things were there that night. Supplemental information from acn 313045: our normal flts are by day. This was a 'midnight' flight on a saturday night. No supervisory personnel on duty. No dispatchers. No qualified WX briefers at departure point. No WX briefers at destination airport. 2 aircraft assigned to this flight instead of normal 1 aircraft due to unusual high passenger loads. Both crews were reserve pilots on duty since early am local time. The duty time ended with pilots on duty for 21 hours. Previous to this flight I had flown from am to pm local time and completed 8 legs. Runway lights were working. No 'X' markings on runway. Only on short final did lights on side of runway look too close to runway. Lights were for taxiway repair on left side of runway. Supplemental information from acn 312957: prior to departing hnl on an extra section flight to ogg in a DHC6- 300 'twin otter,' captain called flight service for WX briefing. All he could get was recorded forecast, no briefer would answer. NOTAMS from that afternoon showed nothing unusual. Even though neither crew could get in touch with a briefer at hnl, we should have called flight service while airborne. Fatigue and complacency were contributing factors.

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Original NASA ASRS Text

Title: 2 TWIN OTTER ACR ACFT LAND SUCCESSIVELY AND SUCCESSFULLY ON A CLOSED RWY IN A NIGHT OP.

Narrative: UPON LNDG AT KAHULUI ARPT, HI, WE (MY CAPT AND I) NOTICED THAT THERE WAS A CREW OF WORKERS OFF TO THE L NEAR THE INTXN OF RWYS 2 AND 5. AT THE TIME, KAHULUI WAS CLOSED (CTR HAD CLRED US FOR ILS RWY 2). KAHULUI IS CLASS C AIRSPACE UNTIL XA00 PM. RWY APPEARED CLR FOR LNDG AS WORKERS WERE OFF TO SIDE. WE LANDED WITHOUT INCIDENT TO FIND THAT THEY WERE PARTLY ON RWY AND CALLED FSS TO SEE IF RWY WAS IN FACT CLOSED. FSS CONFIRMED CLOSURE. NOTE: CAPT CALLED FSS PRIOR TO FLT BUT NO ONE ANSWERED. RECEIVED PATWAS BRIEF -- NO MENTION OF RWY CLOSURE. OF COURSE IT IS OUR RESPONSIBILITY AS THE PLTS TO GET ALL AVAILABLE INFO CONCERNING THE FLT (ATC DELAYS, RWY CLOSURES, ETC). HOWEVER, WE WERE CLRED FOR THE ILS TO THE CLOSED RWY. THIS IS A DAILY FLT AND NO NOTAM WAS SENT OR POSTED FOR US IN OUR OPS DEPT. RWY LIGHTS TO RWY 2 CAME ON. NO VISIBLE MARKINGS WERE SEEN TO INDICATE RWY CLOSURE (NO BARRIERS). NO WORKERS WERE MONITORING TWR/CTAF FREQ. MAYBE AT UNCTLED ARPTS MORE SHOULD BE DONE TO INDICATE THE RWY IS CLOSED (EG, TURN OFF RWY LIGHTS, PUT UP LIGHTED BARRIERS TO VISIBLY SHOW ITS CLOSURE, REQUIRE WORKERS TO MONITOR AND BE ABLE TO XMIT ON CTAF FREQ WHILE WORKING). NONE OF THESE THINGS WERE THERE THAT NIGHT. SUPPLEMENTAL INFO FROM ACN 313045: OUR NORMAL FLTS ARE BY DAY. THIS WAS A 'MIDNIGHT' FLT ON A SATURDAY NIGHT. NO SUPERVISORY PERSONNEL ON DUTY. NO DISPATCHERS. NO QUALIFIED WX BRIEFERS AT DEP POINT. NO WX BRIEFERS AT DEST ARPT. 2 ACFT ASSIGNED TO THIS FLT INSTEAD OF NORMAL 1 ACFT DUE TO UNUSUAL HIGH PAX LOADS. BOTH CREWS WERE RESERVE PLTS ON DUTY SINCE EARLY AM LCL TIME. THE DUTY TIME ENDED WITH PLTS ON DUTY FOR 21 HRS. PREVIOUS TO THIS FLT I HAD FLOWN FROM AM TO PM LCL TIME AND COMPLETED 8 LEGS. RWY LIGHTS WERE WORKING. NO 'X' MARKINGS ON RWY. ONLY ON SHORT FINAL DID LIGHTS ON SIDE OF RWY LOOK TOO CLOSE TO RWY. LIGHTS WERE FOR TXWY REPAIR ON L SIDE OF RWY. SUPPLEMENTAL INFO FROM ACN 312957: PRIOR TO DEPARTING HNL ON AN EXTRA SECTION FLT TO OGG IN A DHC6- 300 'TWIN OTTER,' CAPT CALLED FLT SVC FOR WX BRIEFING. ALL HE COULD GET WAS RECORDED FORECAST, NO BRIEFER WOULD ANSWER. NOTAMS FROM THAT AFTERNOON SHOWED NOTHING UNUSUAL. EVEN THOUGH NEITHER CREW COULD GET IN TOUCH WITH A BRIEFER AT HNL, WE SHOULD HAVE CALLED FLT SVC WHILE AIRBORNE. FATIGUE AND COMPLACENCY WERE CONTRIBUTING FACTORS.

Data retrieved from NASA's ASRS site as of July 2007 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.