The reporter experienced 2 nmacs in the 48V traffic pattern due to his going the wrong way and starting to set up for runway 33 which is the calm wind runway, but, the traffic was using runway 15. Radio interference was very strong due to first nice day of spring everyone was out flying. He discovered the problem when he encountered the 'wrong' direction traffic flow.

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Attributes
ACN	331868
Time
Date	199603
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : 48v
State Reference	CO
Altitude	msl bound lower : 6200 msl bound upper : 6200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : ind
Operator	general aviation : corporate
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	other
Flight Plan	None
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	other : unknown
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 10 flight time total : 581 flight time type : 300
ASRS Report	331868
Person 2
Affiliation	Other
Function	flight crew : single pilot
Events
Anomaly	conflict : nmac other spatial deviation other spatial deviation
Independent Detector	other other : unspecified cockpit
Resolutory Action	flight crew : became reoriented flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 500 vertical : 300
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

2 near misses in pattern due to my going wrong way and starting to set up for runway 33 which is the calm wind runway, but traffic was using runway 15. Radio interference was very strong due to first nice day of spring, everyone was out flying. 123.0 MHZ I missed pilot advisories or they just didn't register. Discovered the problem when I encountered the 'wrong' direction traffic flow. I immediately left the pattern to the west did a 180 degree turn and entered the pattern with the other aircraft going in the same direction, landing uneventful. (Me) pilot needs to stop assuming and pay more attention. Restructure VHF aircraft radio's frequencys so that tri-county (48V), front range (ftg), fort collins downtown (3v5) are not on the same channel.

Original NASA ASRS Text

Title: THE RPTR EXPERIENCED 2 NMACS IN THE 48V TFC PATTERN DUE TO HIS GOING THE WRONG WAY AND STARTING TO SET UP FOR RWY 33 WHICH IS THE CALM WIND RWY, BUT, THE TFC WAS USING RWY 15. RADIO INTERFERENCE WAS VERY STRONG DUE TO FIRST NICE DAY OF SPRING EVERYONE WAS OUT FLYING. HE DISCOVERED THE PROB WHEN HE ENCOUNTERED THE 'WRONG' DIRECTION TFC FLOW.

Narrative: 2 NEAR MISSES IN PATTERN DUE TO MY GOING WRONG WAY AND STARTING TO SET UP FOR RWY 33 WHICH IS THE CALM WIND RWY, BUT TFC WAS USING RWY 15. RADIO INTERFERENCE WAS VERY STRONG DUE TO FIRST NICE DAY OF SPRING, EVERYONE WAS OUT FLYING. 123.0 MHZ I MISSED PLT ADVISORIES OR THEY JUST DIDN'T REGISTER. DISCOVERED THE PROB WHEN I ENCOUNTERED THE 'WRONG' DIRECTION TFC FLOW. I IMMEDIATELY LEFT THE PATTERN TO THE W DID A 180 DEG TURN AND ENTERED THE PATTERN WITH THE OTHER ACFT GOING IN THE SAME DIRECTION, LNDG UNEVENTFUL. (ME) PLT NEEDS TO STOP ASSUMING AND PAY MORE ATTN. RESTRUCTURE VHF ACFT RADIO'S FREQS SO THAT TRI-COUNTY (48V), FRONT RANGE (FTG), FORT COLLINS DOWNTOWN (3V5) ARE NOT ON THE SAME CHANNEL.

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.