Narrative:

Inbound for landing at sheridan I used cpr AFSS for wind and altimeter data, then used CTAF at shr of 123.0 to broadcast my position and intentions to enter left base runway 32 for landing. I continued to advise traffic of my position and altitude as I continued my approach and landed. As I flared for landing I saw another aircraft enter the runway at the other end! This aircraft commenced his takeoff roll, coming right at me. I was too slow for go around so I braked hard and made my exit at the taxiway just as the other aircraft passed overhead. I was shocked by the near-miss and lack of proper radio procedure, but realized that this fellow must be on the wrong frequency. I changed my radio to 123.6, called, and sure enough, there he was, just as scared and shocked as I was. The pilot indicated that his 'current flight guide' specified 123.6 as CTAF at sheridan. This frequency has been decommissioned for at least 60 days.

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Original NASA ASRS Text

Title: PLT OF A LT CHARTER ACFT TOOK EVASIVE ACTION AFTER LNDG, TO AVOID AN ACFT DEPARTING FROM THE OPPOSITE DIRECTION AT A NON TWR FIELD.

Narrative: INBOUND FOR LNDG AT SHERIDAN I USED CPR AFSS FOR WIND AND ALTIMETER DATA, THEN USED CTAF AT SHR OF 123.0 TO BROADCAST MY POS AND INTENTIONS TO ENTER L BASE RWY 32 FOR LNDG. I CONTINUED TO ADVISE TFC OF MY POS AND ALT AS I CONTINUED MY APCH AND LANDED. AS I FLARED FOR LNDG I SAW ANOTHER ACFT ENTER THE RWY AT THE OTHER END! THIS ACFT COMMENCED HIS TKOF ROLL, COMING RIGHT AT ME. I WAS TOO SLOW FOR GAR SO I BRAKED HARD AND MADE MY EXIT AT THE TXWY JUST AS THE OTHER ACFT PASSED OVERHEAD. I WAS SHOCKED BY THE NEAR-MISS AND LACK OF PROPER RADIO PROC, BUT REALIZED THAT THIS FELLOW MUST BE ON THE WRONG FREQ. I CHANGED MY RADIO TO 123.6, CALLED, AND SURE ENOUGH, THERE HE WAS, JUST AS SCARED AND SHOCKED AS I WAS. THE PLT INDICATED THAT HIS 'CURRENT FLT GUIDE' SPECIFIED 123.6 AS CTAF AT SHERIDAN. THIS FREQ HAS BEEN DECOMMISSIONED FOR AT LEAST 60 DAYS.

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.