Close proximity two GA small aircraft aircraft in traffic pattern at non tower airport.

Attributes
ACN	132684
Time
Date	199001
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : esn
State Reference	MD
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	climbout : intermediate altitude other
Route In Use	approach : visual
Flight Plan	None
Aircraft 2
Operator	general aviation : instructional
Make Model Name	Small Aircraft
Flight Phase	climbout : intermediate altitude landing : go around
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 14 flight time total : 283 flight time type : 32
ASRS Report	132684
Person 2
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : cfi
Events
Anomaly	conflict : nmac
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	Other
Miss Distance	horizontal : 100 vertical : 100
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

Had just completed a normal touch and go from runway 22 at esn, had climbed straight ahead through tpa (1100) MSL. Was well beyond airport boundaries, began a gradual right climbing turn to 300 degree. Was not yet on new course when I glanced right rear to see a low wing, single-engine aircraft bank sharp right and go below me. My altitude approximately 1500'. The threat aircraft completed a 180 degree turn and proceeded back toward esn airport. I continued my climb to 3000' and continued on my 300 degree course. Other aircraft known to be in area: low wing single-engine small aircraft departed runway 22 ahead of my touch-and-go and had made a left turnout while I was still climbing straight out. As I turned base to final for touch-and-go, another aircraft had announced an instrument approach procedure on final 2 1/2 mi out. As standard procedure I had announced my actions on CTAF (122.8) crosswind, downwind, base, and final (touch-and-go). Have no idea that the instrument approach aircraft was the threat aircraft, although the near midair aircraft contained 2 persons. Had no previous sighting of the IFR training aircraft.

Original NASA ASRS Text

Title: CLOSE PROX TWO GA SMA ACFT IN TRAFFIC PATTERN AT NON TWR ARPT.

Narrative: HAD JUST COMPLETED A NORMAL TOUCH AND GO FROM RWY 22 AT ESN, HAD CLIMBED STRAIGHT AHEAD THROUGH TPA (1100) MSL. WAS WELL BEYOND ARPT BOUNDARIES, BEGAN A GRADUAL RIGHT CLIMBING TURN TO 300 DEG. WAS NOT YET ON NEW COURSE WHEN I GLANCED RIGHT REAR TO SEE A LOW WING, SINGLE-ENGINE ACFT BANK SHARP RIGHT AND GO BELOW ME. MY ALT APPROX 1500'. THE THREAT ACFT COMPLETED A 180 DEG TURN AND PROCEEDED BACK TOWARD ESN ARPT. I CONTINUED MY CLIMB TO 3000' AND CONTINUED ON MY 300 DEG COURSE. OTHER ACFT KNOWN TO BE IN AREA: LOW WING SINGLE-ENGINE SMA DEPARTED RWY 22 AHEAD OF MY TOUCH-AND-GO AND HAD MADE A LEFT TURNOUT WHILE I WAS STILL CLIMBING STRAIGHT OUT. AS I TURNED BASE TO FINAL FOR TOUCH-AND-GO, ANOTHER ACFT HAD ANNOUNCED AN INSTRUMENT APCH PROC ON FINAL 2 1/2 MI OUT. AS STANDARD PROC I HAD ANNOUNCED MY ACTIONS ON CTAF (122.8) XWIND, DOWNWIND, BASE, AND FINAL (TOUCH-AND-GO). HAVE NO IDEA THAT THE INSTRUMENT APCH ACFT WAS THE THREAT ACFT, ALTHOUGH THE NEAR MIDAIR ACFT CONTAINED 2 PERSONS. HAD NO PREVIOUS SIGHTING OF THE IFR TRAINING ACFT.

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.