2 GA pilots get into a misunderstanding as to who is #1 for turning base in the traffic pattern at 1...

Attributes
ACN	583349
Time
Date	200305
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : 1s0.airport
State Reference	WA
Altitude	msl single value : 1600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Bonanza 36
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	descent : approach
Route In Use	approach : traffic pattern arrival : vfr
Flight Plan	None
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Route In Use	approach : traffic pattern
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : private
Experience	flight time total : 2010
ASRS Report	583349
Person 2
Affiliation	other
Function	flight crew : single pilot
Events
Anomaly	conflict : airborne critical non adherence : published procedure other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	none taken : anomaly accepted
Consequence	other
Miss Distance	horizontal : 1500 vertical : 200
Supplementary
Problem Areas	Flight Crew Human Performance Environmental Factor
Primary Problem	Flight Crew Human Performance

Narrative:

I intended to land at 1s0 for fuel. I entered on a 45 degrees and announced my intent to go left downwind. When I was about to turn base I announced my intent. The other pilot came on and said 'you had better look out your window.' above me and to the ___________ left side was a tail dragger that I had not seen on downwind. I told him that I had the traffic. I then asked if he was in the pattern. I got no response. I assumed he was passing through and proceeded downwind until I could make my base turn clear of the flight path. As I made my turn and passed in front of him he became very agitated and was harassing on the radio for some time. A) if he had said he was in the pattern I would have extended my downwind. B) my plane does downwind at about 100 mph, I estimate his speed at about 70 KTS should I have slowed down or done a 360 degrees? He was inside of me. C) I do not think I created a safety problem but the other pilot sure came unglued. Road/air rage?

Original NASA ASRS Text

Title: 2 GA PLTS GET INTO A MISUNDERSTANDING AS TO WHO IS #1 FOR TURNING BASE IN THE TFC PATTERN AT 1SO, WA.

Narrative: I INTENDED TO LAND AT 1S0 FOR FUEL. I ENTERED ON A 45 DEGS AND ANNOUNCED MY INTENT TO GO L DOWNWIND. WHEN I WAS ABOUT TO TURN BASE I ANNOUNCED MY INTENT. THE OTHER PLT CAME ON AND SAID 'YOU HAD BETTER LOOK OUT YOUR WINDOW.' ABOVE ME AND TO THE ___________ L SIDE WAS A TAIL DRAGGER THAT I HAD NOT SEEN ON DOWNWIND. I TOLD HIM THAT I HAD THE TFC. I THEN ASKED IF HE WAS IN THE PATTERN. I GOT NO RESPONSE. I ASSUMED HE WAS PASSING THROUGH AND PROCEEDED DOWNWIND UNTIL I COULD MAKE MY BASE TURN CLR OF THE FLT PATH. AS I MADE MY TURN AND PASSED IN FRONT OF HIM HE BECAME VERY AGITATED AND WAS HARASSING ON THE RADIO FOR SOME TIME. A) IF HE HAD SAID HE WAS IN THE PATTERN I WOULD HAVE EXTENDED MY DOWNWIND. B) MY PLANE DOES DOWNWIND AT ABOUT 100 MPH, I ESTIMATE HIS SPD AT ABOUT 70 KTS SHOULD I HAVE SLOWED DOWN OR DONE A 360 DEGS? HE WAS INSIDE OF ME. C) I DO NOT THINK I CREATED A SAFETY PROB BUT THE OTHER PLT SURE CAME UNGLUED. ROAD/AIR RAGE?

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.

2 GA pilots get into a misunderstanding as to who is #1 for turning base in the traffic pattern at 1SO, wa.