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Chevrons used to mark a 600 ft area of runway which was notamed closed. Aircraft taxied over plastic markings for takeoff because of the marking designation.
| Attributes | |
| ACN | 281890 |
| Time | |
| Date | 199408 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : hqm |
| State Reference | WA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : ash |
| Operator | general aviation : personal |
| Make Model Name | Cessna 210 Centurion / Turbo Centurion 210C, 210D |
| Operating Under FAR Part | Part 91 |
| Flight Phase | ground other : taxi |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : private |
| Experience | flight time last 90 days : 30 flight time total : 500 flight time type : 350 |
| ASRS Report | 281890 |
| Person 2 | |
| Affiliation | Other |
| Function | observation : passenger |
| Qualification | other other : other |
| Events | |
| Anomaly | conflict : ground critical other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Airport |
| Air Traffic Incident | other |
| Situations | |
| Airport | other physical facility procedure or policy : unspecified |
Narrative:
Landed at bowerman (hqm) late in the evening, chevrons noted on the closed east end of the runway, landed past the chevrons. Later that evening (after dark) I was back taxiing on the runway to take off to the west, both of my taxi/landing lamps were working, but I was unable to see some type of plastic mats laying on the runway. 1 got tangled up on the right main gear, I was able to push the plane backward off of the mat. I left right away to clear the runway. I don't believe that my 210 suffered any damage. I do suggest some type of lighting to mark the beginning of the closed area. Callback conversation with reporter revealed the following information: reporter states the NOTAM stated that the east 600 ft were closed. The markings however were for a displaced threshold which allows for takeoff and landing in the area. Since reporter left after dark and the markings were not visible he never really knew until he was taxiing over them. They were made of some kind of plastic which reacted to the heat of his brakes and melted onto them. He and passenger were able to roll the aircraft backward and off of the material, making sure that it was completely removed from the wheel area. They departed quickly so as not to block the runway. There were no lights on or near the markings. Reporter phoned the airport about 2 days later and found that the construction work was completed and the markings were now removed.
Original NASA ASRS Text
Title: CHEVRONS USED TO MARK A 600 FT AREA OF RWY WHICH WAS NOTAMED CLOSED. ACFT TAXIED OVER PLASTIC MARKINGS FOR TKOF BECAUSE OF THE MARKING DESIGNATION.
Narrative: LANDED AT BOWERMAN (HQM) LATE IN THE EVENING, CHEVRONS NOTED ON THE CLOSED E END OF THE RWY, LANDED PAST THE CHEVRONS. LATER THAT EVENING (AFTER DARK) I WAS BACK TAXIING ON THE RWY TO TAKE OFF TO THE W, BOTH OF MY TAXI/LNDG LAMPS WERE WORKING, BUT I WAS UNABLE TO SEE SOME TYPE OF PLASTIC MATS LAYING ON THE RWY. 1 GOT TANGLED UP ON THE R MAIN GEAR, I WAS ABLE TO PUSH THE PLANE BACKWARD OFF OF THE MAT. I LEFT RIGHT AWAY TO CLR THE RWY. I DON'T BELIEVE THAT MY 210 SUFFERED ANY DAMAGE. I DO SUGGEST SOME TYPE OF LIGHTING TO MARK THE BEGINNING OF THE CLOSED AREA. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES THE NOTAM STATED THAT THE E 600 FT WERE CLOSED. THE MARKINGS HOWEVER WERE FOR A DISPLACED THRESHOLD WHICH ALLOWS FOR TKOF AND LNDG IN THE AREA. SINCE RPTR LEFT AFTER DARK AND THE MARKINGS WERE NOT VISIBLE HE NEVER REALLY KNEW UNTIL HE WAS TAXIING OVER THEM. THEY WERE MADE OF SOME KIND OF PLASTIC WHICH REACTED TO THE HEAT OF HIS BRAKES AND MELTED ONTO THEM. HE AND PAX WERE ABLE TO ROLL THE ACFT BACKWARD AND OFF OF THE MATERIAL, MAKING SURE THAT IT WAS COMPLETELY REMOVED FROM THE WHEEL AREA. THEY DEPARTED QUICKLY SO AS NOT TO BLOCK THE RWY. THERE WERE NO LIGHTS ON OR NEAR THE MARKINGS. RPTR PHONED THE ARPT ABOUT 2 DAYS LATER AND FOUND THAT THE CONSTRUCTION WORK WAS COMPLETED AND THE MARKINGS WERE NOW REMOVED.
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.