Operational error near midair collision between cga-X on takeoff from touch and go and uga-Y on ATC directed go around from a landing approach on a converging runway.

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Attributes
ACN	310409
Time
Date	199507
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : myf
State Reference	CA
Altitude	msl bound lower : 200 msl bound upper : 200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : myf tower : ewr
Operator	general aviation : instructional
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial climbout : takeoff cruise other
Flight Plan	VFR
Aircraft 2
Make Model Name	PA-31 Navajo Chieftan/Mojave/Navajo T1020
Operating Under FAR Part	other : unknown
Flight Phase	descent : approach landing : go around landing other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	instruction : instructor oversight : pic
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 29 flight time total : 5090 flight time type : 124
ASRS Report	310409
Person 2
Affiliation	Other
Function	instruction : trainee
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa other other : unspecified atc
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 200 vertical : 300
Supplementary
Air Traffic Incident	Operational Error

Narrative:

While flying touch and goes on runway 28L (the right was closed for construction), left traffic, myf tower changed the runway in use to runway 23. A twin (navajo) was cleared to land from right traffic runway 23. We were cleared for touch and goes all morning. On this approach, our C172 was the last aircraft in the runway 28L pattern. The navajo made a short pattern which prompted the tower to issue a go around to the navajo. We (my student and I) were starting the power up for the go, of the touch and go at that moment. Realizing the proximity of the twin I took the controls, made a 10 degree right turn to avoid wake turbulence. I continued the climb straight out and received a tower clearance of right traffic for runway 23. I did not feel we were in danger, just in close proximity. We then continued training for several more hours. I feel if the twin had continued the landing because we were on climb out, by the time it rolled across runway 28L, my aircraft would have already crossed the centerline of runway 23.

Original NASA ASRS Text

Title: OPERROR NMAC BTWN CGA-X ON TKOF FROM TOUCH AND GO AND UGA-Y ON ATC DIRECTED GAR FROM A LNDG APCH ON A CONVERGING RWY.

Narrative: WHILE FLYING TOUCH AND GOES ON RWY 28L (THE R WAS CLOSED FOR CONSTRUCTION), L TFC, MYF TWR CHANGED THE RWY IN USE TO RWY 23. A TWIN (NAVAJO) WAS CLRED TO LAND FROM R TFC RWY 23. WE WERE CLRED FOR TOUCH AND GOES ALL MORNING. ON THIS APCH, OUR C172 WAS THE LAST ACFT IN THE RWY 28L PATTERN. THE NAVAJO MADE A SHORT PATTERN WHICH PROMPTED THE TWR TO ISSUE A GAR TO THE NAVAJO. WE (MY STUDENT AND I) WERE STARTING THE PWR UP FOR THE GO, OF THE TOUCH AND GO AT THAT MOMENT. REALIZING THE PROX OF THE TWIN I TOOK THE CTLS, MADE A 10 DEG R TURN TO AVOID WAKE TURB. I CONTINUED THE CLB STRAIGHT OUT AND RECEIVED A TWR CLRNC OF R TFC FOR RWY 23. I DID NOT FEEL WE WERE IN DANGER, JUST IN CLOSE PROX. WE THEN CONTINUED TRAINING FOR SEVERAL MORE HRS. I FEEL IF THE TWIN HAD CONTINUED THE LNDG BECAUSE WE WERE ON CLBOUT, BY THE TIME IT ROLLED ACROSS RWY 28L, MY ACFT WOULD HAVE ALREADY CROSSED THE CTRLINE OF RWY 23.

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.