Narrative:

Runway 13 has the ILS, therefore we use it the most for approach and landing (requires flaps 15 degree for takeoff). Runway 22 is the longest, therefore we use it the most for takeoff (choice of flaps 0 degree or 15 eg for takeoff). When takeoff from runway 22 is performed you will cross runway 13. At that intersection, runway 22 has a tremendous 'bump' which will go up first, then down causing a great deal of downforce on your nose gear and lot of vibrations. At average aircraft weight you will have reached 100-110 KIAS hitting the 'bump' on takeoff on runway 22. I told the tower today that the 'bump'/runway condition was dangerous. Departing runway 13 and then intersecting runway 22 is no problem. From now on I will take runway 13 and use flaps 15 departure for takeoff.

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Original NASA ASRS Text

Title: COMMUTER REPORTER COMPLAINS ABOUT A BUMP IN RWY 22 AT TYR, TX, AND STATES THAT IT IS AN 'AREA OF DANGER.'

Narrative: RWY 13 HAS THE ILS, THEREFORE WE USE IT THE MOST FOR APCH AND LNDG (REQUIRES FLAPS 15 DEG FOR TKOF). RWY 22 IS THE LONGEST, THEREFORE WE USE IT THE MOST FOR TKOF (CHOICE OF FLAPS 0 DEG OR 15 EG FOR TKOF). WHEN TKOF FROM RWY 22 IS PERFORMED YOU WILL CROSS RWY 13. AT THAT INTXN, RWY 22 HAS A TREMENDOUS 'BUMP' WHICH WILL GO UP FIRST, THEN DOWN CAUSING A GREAT DEAL OF DOWNFORCE ON YOUR NOSE GEAR AND LOT OF VIBRATIONS. AT AVERAGE ACFT WEIGHT YOU WILL HAVE REACHED 100-110 KIAS HITTING THE 'BUMP' ON TKOF ON RWY 22. I TOLD THE TWR TODAY THAT THE 'BUMP'/RWY CONDITION WAS DANGEROUS. DEPARTING RWY 13 AND THEN INTERSECTING RWY 22 IS NO PROB. FROM NOW ON I WILL TAKE RWY 13 AND USE FLAPS 15 DEP FOR TKOF.

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.