C172 pilot lands on runway 36 gtu while another aircraft's tail is still on the runway.

Attributes
ACN	696972
Time
Date	200605
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : gtu.airport
State Reference	TX
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	ground : takeoff roll landing : roll
Flight Plan	None
Aircraft 2
Operator	general aviation : personal
Make Model Name	Merlin III
Operating Under FAR Part	Part 91
Flight Phase	ground other : disabled
Person 1
Affiliation	other
Function	instruction : instructor
Qualification	pilot : commercial pilot : instrument pilot : multi engine pilot : cfi
Experience	flight time last 90 days : 300 flight time total : 1460 flight time type : 225
ASRS Report	696972
Person 2
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : ground less severe incursion : runway non adherence : far other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	Flight Crew Human Performance Airport
Primary Problem	Flight Crew Human Performance

Narrative:

I was demonstrating to my student how to fly the traffic pattern in a complex aircraft. The merlin announced his position on the CTAF to the south of the airport and that he was inbound on the GPS runway 36 approach. The merlin landed while we were on our downwind leg. I continued to fly the pattern explaining the procedures as we were flying. I never heard the merlin state on the CTAF that he was clear of the runway. On final I conducted my final checks and looked for the merlin on the parallel taxiway but could not find him and just assumed that he had already pulled in between the hangars. I landed the airplane on the runway and prepared to take off again. As I was applying power I noticed that the merlin's tail was still sticking out into the runway at the departure end. I kept the power at idle but continued to roll down the runway. I asked the merlin pilot on the CTAF whether he was going to move; and he replied that he was disabled and would need a tug. I slowed our aircraft and then made a 180 degree turn on the runway and exited on the next taxiway. I then taxied to the other runway to continue our training and took off on runway 29. Within a few mins the merlin was towed off the runway and my student and I switched back to runway 36. Flying the next final; I looked hard at the departure end of the runway to figure out why I did not see the merlin. All I can rationalize is that the color of the merlin closely matched that of the threshold markings for runway 18 and due to this clutter it was hard to make out the aircraft.

Original NASA ASRS Text

Title: C172 PLT LANDS ON RWY 36 GTU WHILE ANOTHER ACFT'S TAIL IS STILL ON THE RWY.

Narrative: I WAS DEMONSTRATING TO MY STUDENT HOW TO FLY THE TFC PATTERN IN A COMPLEX ACFT. THE MERLIN ANNOUNCED HIS POSITION ON THE CTAF TO THE S OF THE AIRPORT AND THAT HE WAS INBOUND ON THE GPS RWY 36 APCH. THE MERLIN LANDED WHILE WE WERE ON OUR DOWNWIND LEG. I CONTINUED TO FLY THE PATTERN EXPLAINING THE PROCS AS WE WERE FLYING. I NEVER HEARD THE MERLIN STATE ON THE CTAF THAT HE WAS CLEAR OF THE RWY. ON FINAL I CONDUCTED MY FINAL CHECKS AND LOOKED FOR THE MERLIN ON THE PARALLEL TXWY BUT COULD NOT FIND HIM AND JUST ASSUMED THAT HE HAD ALREADY PULLED IN BETWEEN THE HANGARS. I LANDED THE AIRPLANE ON THE RWY AND PREPARED TO TAKE OFF AGAIN. AS I WAS APPLYING POWER I NOTICED THAT THE MERLIN'S TAIL WAS STILL STICKING OUT INTO THE RWY AT THE DEPARTURE END. I KEPT THE POWER AT IDLE BUT CONTINUED TO ROLL DOWN THE RWY. I ASKED THE MERLIN PLT ON THE CTAF WHETHER HE WAS GOING TO MOVE; AND HE REPLIED THAT HE WAS DISABLED AND WOULD NEED A TUG. I SLOWED OUR ACFT AND THEN MADE A 180 DEG TURN ON THE RWY AND EXITED ON THE NEXT TXWY. I THEN TAXIED TO THE OTHER RWY TO CONTINUE OUR TRAINING AND TOOK OFF ON RWY 29. WITHIN A FEW MINS THE MERLIN WAS TOWED OFF THE RWY AND MY STUDENT AND I SWITCHED BACK TO RWY 36. FLYING THE NEXT FINAL; I LOOKED HARD AT THE DEP END OF THE RWY TO FIGURE OUT WHY I DID NOT SEE THE MERLIN. ALL I CAN RATIONALIZE IS THAT THE COLOR OF THE MERLIN CLOSELY MATCHED THAT OF THE THRESHOLD MARKINGS FOR RWY 18 AND DUE TO THIS CLUTTER IT WAS HARD TO MAKE OUT THE ACFT.

Data retrieved from NASA's ASRS site as of January 2009 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.