Narrative:

I was VFR tus to bullhead city airport. I contacted unicom on 122.8 for the active runway 35. 3 aircraft, small transport a, an small aircraft B and an small aircraft C all landed ahead of me. A large us flag at the north end showed the wind right down the runway at about 25-30 KTS. I touched down probably 100-200 yds from the south end of runway and was on rollout when a strong gust or dust devil hit me on the left side. I applied left rudder and brakes, however I was forced off fairly narrow runway to the right and over a line of dirt about 1' high, which probably took the nose wheel and strut off. This dropped the nose and my small aircraft a came to a stop against a larger pile of dirt. This damage the propeller, right wing and the left gear was collapsed. I have taken the 'wings' program for the past 2 yrs and have owned the small aircraft a for over 31 yrs. I have over 4000 hours of flying time and about 3500 hours in small aircraft a. I have never before encountered such a sharp change in direction. I was told by people from FBO and the airport manager personnel that the south end has had many accidents and incidents. I believe if this had occurred at a larger airport, there would have been no damage. A flag or windsock at south end of runway would have been a help, I believe. There were no injuries to me or my passenger. Callback conversation with reporter revealed the following: analyst unable to contact reporter, but called airport manager. He states that a wind shear does sometimes exist off the west end of runway due to a drainage creek. However, the problem will resolve itself as a new runway is being built and existing runway will be closed in 9/91.

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Original NASA ASRS Text

Title: SMA ACFT ON LNDG ROLL CAUGHT IN WIND SHEAR AND FORCED OFF RWY INTO DIRT PILE.

Narrative: I WAS VFR TUS TO BULLHEAD CITY ARPT. I CONTACTED UNICOM ON 122.8 FOR THE ACTIVE RWY 35. 3 ACFT, SMT A, AN SMA B AND AN SMA C ALL LANDED AHEAD OF ME. A LARGE U.S. FLAG AT THE N END SHOWED THE WIND RIGHT DOWN THE RWY AT ABOUT 25-30 KTS. I TOUCHED DOWN PROBABLY 100-200 YDS FROM THE S END OF RWY AND WAS ON ROLLOUT WHEN A STRONG GUST OR DUST DEVIL HIT ME ON THE LEFT SIDE. I APPLIED LEFT RUDDER AND BRAKES, HOWEVER I WAS FORCED OFF FAIRLY NARROW RWY TO THE RIGHT AND OVER A LINE OF DIRT ABOUT 1' HIGH, WHICH PROBABLY TOOK THE NOSE WHEEL AND STRUT OFF. THIS DROPPED THE NOSE AND MY SMA A CAME TO A STOP AGAINST A LARGER PILE OF DIRT. THIS DAMAGE THE PROP, RIGHT WING AND THE LEFT GEAR WAS COLLAPSED. I HAVE TAKEN THE 'WINGS' PROGRAM FOR THE PAST 2 YRS AND HAVE OWNED THE SMA A FOR OVER 31 YRS. I HAVE OVER 4000 HRS OF FLYING TIME AND ABOUT 3500 HRS IN SMA A. I HAVE NEVER BEFORE ENCOUNTERED SUCH A SHARP CHANGE IN DIRECTION. I WAS TOLD BY PEOPLE FROM FBO AND THE ARPT MGR PERSONNEL THAT THE S END HAS HAD MANY ACCIDENTS AND INCIDENTS. I BELIEVE IF THIS HAD OCCURRED AT A LARGER ARPT, THERE WOULD HAVE BEEN NO DAMAGE. A FLAG OR WINDSOCK AT S END OF RWY WOULD HAVE BEEN A HELP, I BELIEVE. THERE WERE NO INJURIES TO ME OR MY PAX. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: ANALYST UNABLE TO CONTACT RPTR, BUT CALLED ARPT MGR. HE STATES THAT A WIND SHEAR DOES SOMETIMES EXIST OFF THE W END OF RWY DUE TO A DRAINAGE CREEK. HOWEVER, THE PROB WILL RESOLVE ITSELF AS A NEW RWY IS BEING BUILT AND EXISTING RWY WILL BE CLOSED IN 9/91.

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.