Lear 35A aircraft cleared to follow traffic for landing idented the wrong aircraft as their sequence. After seeing their traffic come out of the clouds they had to maneuver to position for landing sequence.

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Attributes
ACN	369729
Time
Date	199705
Day	Wed
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : sdf
State Reference	KY
Altitude	msl bound lower : 2500 msl bound upper : 2500
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : sdf tracon : mci
Operator	common carrier : air carrier
Make Model Name	Learjet 35
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	VFR
Aircraft 2
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	other : unknown
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 120 flight time total : 3000 flight time type : 1100
ASRS Report	369729
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : instrument pilot : atp pilot : commercial
Experience	flight time last 90 days : 100 flight time total : 6700 flight time type : 150
ASRS Report	369730
Events
Anomaly	conflict : airborne less severe
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

On may/xx/97 at approximately XX15 we were flying within the sdf class C airspace with radar service, landing at sdf. ATC approach control pointed out 'traffic at 10 O'clock, 5 mi' for you to follow for the visual runway 17. Upon looking at the 10 O'clock position, I saw traffic inbound to the intended runway and called the traffic in sight and was told to 'follow the traffic, caution wake turbulence a heavy DC8.' when the traffic was 90 degrees to my position I started a left base for runway 17 keeping that traffic in sight. Upon starting the turn to final, my copilot saw traffic from 1 O'clock high letting down out of the clouds, a DC8. I continued a 45 degree bank left turn and departed the runway 17 localizer course on a 090 degree heading at which time ATC alerted us of the situation. The aircraft that I initially followed was in front of the DC8 and was mistaken for my traffic. We were then resequenced for landing without further incident.

Original NASA ASRS Text

Title: LEAR 35A ACFT CLRED TO FOLLOW TFC FOR LNDG IDENTED THE WRONG ACFT AS THEIR SEQUENCE. AFTER SEEING THEIR TFC COME OUT OF THE CLOUDS THEY HAD TO MANEUVER TO POS FOR LNDG SEQUENCE.

Narrative: ON MAY/XX/97 AT APPROX XX15 WE WERE FLYING WITHIN THE SDF CLASS C AIRSPACE WITH RADAR SVC, LNDG AT SDF. ATC APCH CTL POINTED OUT 'TFC AT 10 O'CLOCK, 5 MI' FOR YOU TO FOLLOW FOR THE VISUAL RWY 17. UPON LOOKING AT THE 10 O'CLOCK POS, I SAW TFC INBOUND TO THE INTENDED RWY AND CALLED THE TFC IN SIGHT AND WAS TOLD TO 'FOLLOW THE TFC, CAUTION WAKE TURB A HVY DC8.' WHEN THE TFC WAS 90 DEGS TO MY POS I STARTED A L BASE FOR RWY 17 KEEPING THAT TFC IN SIGHT. UPON STARTING THE TURN TO FINAL, MY COPLT SAW TFC FROM 1 O'CLOCK HIGH LETTING DOWN OUT OF THE CLOUDS, A DC8. I CONTINUED A 45 DEG BANK L TURN AND DEPARTED THE RWY 17 LOC COURSE ON A 090 DEG HDG AT WHICH TIME ATC ALERTED US OF THE SIT. THE ACFT THAT I INITIALLY FOLLOWED WAS IN FRONT OF THE DC8 AND WAS MISTAKEN FOR MY TFC. WE WERE THEN RESEQUENCED FOR LNDG WITHOUT FURTHER 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.