2 smas have midair collision in uncontrolled traffic pattern.

Attributes
ACN	226319
Time
Date	199211
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sfq
State Reference	VA
Altitude	agl bound lower : 850 agl bound upper : 850
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	descent : approach
Flight Plan	VFR
Aircraft 2
Operator	general aviation : instructional
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	descent : approach
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : commercial pilot : cfi pilot : instrument
Experience	flight time last 90 days : 72 flight time total : 23500 flight time type : 3000
ASRS Report	226319
Person 2
Affiliation	Other
Function	flight crew : single pilot
Events
Anomaly	other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	faa : assigned or threatened penalties faa : investigated other
Miss Distance	horizontal : 0 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Suffolk and chesapeake airport which is close by have same frequency 122.7 due to confusion of communication with aircraft at both fields it was difficult to know who was landing where. The small aircraft X was doing touch-and-goes on runway 25 the small aircraft Y enter on 45 degrees for 25. The small aircraft X pulled to right of small aircraft Y. Small aircraft Y made sharp left turn. Small aircraft X pulled up from wingtip of small aircraft Y struck bottom of rudder on small aircraft X. There were no injuries from either aircraft. Callback conversation with reporter revealed the following information: reporter states he has been given notice by FAA that they wish to suspend his certificate for 60 days. He believes he is no more at fault than other pilot. Instruction was being given in other aircraft and reporter never heard any communication on unicom reference their position.

Original NASA ASRS Text

Title: 2 SMAS HAVE MIDAIR COLLISION IN UNCTLED TFC PATTERN.

Narrative: SUFFOLK AND CHESAPEAKE ARPT WHICH IS CLOSE BY HAVE SAME FREQ 122.7 DUE TO CONFUSION OF COM WITH ACFT AT BOTH FIELDS IT WAS DIFFICULT TO KNOW WHO WAS LNDG WHERE. THE SMA X WAS DOING TOUCH-AND-GOES ON RWY 25 THE SMA Y ENTER ON 45 DEGS FOR 25. THE SMA X PULLED TO R OF SMA Y. SMA Y MADE SHARP L TURN. SMA X PULLED UP FROM WINGTIP OF SMA Y STRUCK BOTTOM OF RUDDER ON SMA X. THERE WERE NO INJURIES FROM EITHER ACFT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES HE HAS BEEN GIVEN NOTICE BY FAA THAT THEY WISH TO SUSPEND HIS CERTIFICATE FOR 60 DAYS. HE BELIEVES HE IS NO MORE AT FAULT THAN OTHER PLT. INSTRUCTION WAS BEING GIVEN IN OTHER ACFT AND RPTR NEVER HEARD ANY COM ON UNICOM REF THEIR POS.

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.