C172 has near midair collision during practice approach to gxy.

Attributes
ACN	574479
Time
Date	200302
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : gxy.airport
State Reference	CO
Altitude	msl single value : 7000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	descent : approach
Flight Plan	None
Aircraft 2
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Flight Phase	cruise : level
Person 1
Affiliation	other
Function	instruction : instructor
Qualification	pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 105 flight time total : 1385 flight time type : 900
ASRS Report	574479
Person 2
Affiliation	other
Function	instruction : trainee
Events
Anomaly	conflict : nmac non adherence : far
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Miss Distance	horizontal : 500 vertical : 20
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Departed on training flight at gxy. Made 3 radio advisories prior to colln. Preparing to turn outbound for procedure turn. Spotted aircraft (cessna single) on head-on collision course. Took aircraft from student, who was under view limiting device, and dove to the right to avoid. Attempted to raise other aircraft on CTAF with no success.

Original NASA ASRS Text

Title: C172 HAS NMAC DURING PRACTICE APCH TO GXY.

Narrative: DEPARTED ON TRAINING FLT AT GXY. MADE 3 RADIO ADVISORIES PRIOR TO COLLN. PREPARING TO TURN OUTBOUND FOR PROC TURN. SPOTTED ACFT (CESSNA SINGLE) ON HEAD-ON COLLISION COURSE. TOOK ACFT FROM STUDENT, WHO WAS UNDER VIEW LIMITING DEVICE, AND DOVE TO THE R TO AVOID. ATTEMPTED TO RAISE OTHER ACFT ON CTAF WITH NO SUCCESS.

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.