Near midair collision between a small aircraft sel training aircraft approaching the airport to land and a departing commuter aircraft.

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Attributes
ACN	298920
Time
Date	199503
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dab
State Reference	FL
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : dab
Operator	general aviation : instructional
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise other
Flight Plan	None
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Metro Undifferentiated or Other Model
Operating Under FAR Part	Part 135
Flight Phase	climbout : intermediate altitude cruise other
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 200 flight time total : 3000 flight time type : 600
ASRS Report	298920
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : private
Events
Anomaly	conflict : nmac other anomaly other
Independent Detector	other controllera
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 300 vertical : 150
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

(During the conduct of a far 141 commercial pilot check ride, a near miss occurred). The student called daytona approach and advised them we were inbound for landing. Daytona approach issued us a transponder code of (xd). The student read back the code as (xd) and we proceeded inbound toward the airport. At approximately 6 mi from daytona, I noticed an aircraft (a metroliner) converging on a collision course. I immediately lowered the nose of the aircraft and the metroliner passed almost directly over us. ATC issued an advisory to the metroliner and then asked 'aircraft squawking (xd) identify yourself.' I responded and idented us as '(GA X).' ATC then told us we assigned a code of (xj) not (xd). I told ATC we read back our assigned code as (xd). He told us to squawk the new code and proceed to the airport. I asked ATC what could be done in the future to prevent this type of occurrence. ATC said he prefers that aircraft remain clear of the class C airspace until radar idented. We continued to daytona and landed without incident.

Original NASA ASRS Text

Title: NMAC BTWN A SMA SEL TRAINING ACFT APCHING THE ARPT TO LAND AND A DEPARTING COMMUTER ACFT.

Narrative: (DURING THE CONDUCT OF A FAR 141 COMMERCIAL PLT CHK RIDE, A NEAR MISS OCCURRED). THE STUDENT CALLED DAYTONA APCH AND ADVISED THEM WE WERE INBOUND FOR LNDG. DAYTONA APCH ISSUED US A XPONDER CODE OF (XD). THE STUDENT READ BACK THE CODE AS (XD) AND WE PROCEEDED INBOUND TOWARD THE ARPT. AT APPROX 6 MI FROM DAYTONA, I NOTICED AN ACFT (A METROLINER) CONVERGING ON A COLLISION COURSE. I IMMEDIATELY LOWERED THE NOSE OF THE ACFT AND THE METROLINER PASSED ALMOST DIRECTLY OVER US. ATC ISSUED AN ADVISORY TO THE METROLINER AND THEN ASKED 'ACFT SQUAWKING (XD) IDENT YOURSELF.' I RESPONDED AND IDENTED US AS '(GA X).' ATC THEN TOLD US WE ASSIGNED A CODE OF (XJ) NOT (XD). I TOLD ATC WE READ BACK OUR ASSIGNED CODE AS (XD). HE TOLD US TO SQUAWK THE NEW CODE AND PROCEED TO THE ARPT. I ASKED ATC WHAT COULD BE DONE IN THE FUTURE TO PREVENT THIS TYPE OF OCCURRENCE. ATC SAID HE PREFERS THAT ACFT REMAIN CLR OF THE CLASS C AIRSPACE UNTIL RADAR IDENTED. WE CONTINUED TO DAYTONA AND LANDED WITHOUT INCIDENT.

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.