<< >> NASA ASRS Report 522191, August 2001

C172 pilot at 1000 ft transiting through an airport traffic area, climbed to avoid conflict with a light twin possibly entering the non twred airport traffic pattern.

Attributes
ACN	522191
Time
Date	200108
Day	Tue
Local Time Of Day	0601 To 1200
Place
State Reference	GA
Altitude	msl bound lower : 1000 msl bound upper : 1300
Environment
Flight Conditions	VMC
Weather Elements	other
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Route In Use	enroute : direct
Flight Plan	None
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Operating Under FAR Part	Part 91
Route In Use	approach : traffic pattern arrival : vfr
Person 1
Affiliation	other
Function	flight crew : single pilot
ASRS Report	522191
Person 2
Affiliation	other
Function	flight crew : single pilot
Events
Anomaly	conflict : airborne critical non adherence : far other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : took precautionary avoidance action other
Miss Distance	horizontal : 600 vertical : 100
Supplementary
Problem Areas	Airspace Structure Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Was eastbound at 1000 ft passing approximately 1 mi north of plantation airport. When on the east side of the airport, saw a twin northbound at approximately the same altitude. Started a climb, but was not sure if the twin was level or climbing also. Then observed the twin in a left bank to pass behind us. Do not know if the twin turned to miss us or turned to enter the pattern at plantation. Did not hear any conversation or position reports from any aircraft at the plantation airport on frequency 122.8. If the twin was landing at plantation, it should have given position reports. Although we felt we were outside of the traffic pattern, we should have given the airport a wider berth. Weather was VFR with approximately 5 mi visibility in haze.

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Original NASA ASRS Text

Title: C172 PLT AT 1000 FT TRANSITING THROUGH AN ARPT TFC AREA, CLIMBED TO AVOID CONFLICT WITH A LIGHT TWIN POSSIBLY ENTERING THE NON TWRED ARPT TFC PATTERN.

Narrative: WAS EBOUND AT 1000 FT PASSING APPROX 1 MI N OF PLANTATION ARPT. WHEN ON THE E SIDE OF THE ARPT, SAW A TWIN NBOUND AT APPROX THE SAME ALT. STARTED A CLIMB, BUT WAS NOT SURE IF THE TWIN WAS LEVEL OR CLIMBING ALSO. THEN OBSERVED THE TWIN IN A LEFT BANK TO PASS BEHIND US. DO NOT KNOW IF THE TWIN TURNED TO MISS US OR TURNED TO ENTER THE PATTERN AT PLANTATION. DID NOT HEAR ANY CONVERSATION OR POSITION REPORTS FROM ANY ACFT AT THE PLANTATION ARPT ON FREQ 122.8. IF THE TWIN WAS LANDING AT PLANTATION, IT SHOULD HAVE GIVEN POSITION RPTS. ALTHOUGH WE FELT WE WERE OUTSIDE OF THE TFC PATTERN, WE SHOULD HAVE GIVEN THE ARPT A WIDER BERTH. WEATHER WAS VFR WITH APPROX 5 MI VISIBILITY IN HAZE.

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.