Air carrier medium large transport departed from assigned heading.

Attributes
ACN	82094
Time
Date	198802
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dfw
State Reference	TX
Altitude	msl bound lower : 3500 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial pilot : flight engineer
Experience	flight time last 90 days : 210 flight time total : 9500 flight time type : 580
ASRS Report	82094
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 240 flight time total : 5500 flight time type : 600
ASRS Report	82098
Events
Anomaly	non adherence : clearance other anomaly other other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Took clearance for aircraft ahead similar call sign air carrier a xyy, ours air carrier a abyy. Copilot read back instructions to turn left 050 degrees, climb to 17000' and included our call sign. We executed turn from present 170 degree heading. During turn departure asked where we were going. We repeated clearance. Departure said to level at 5000' on 090 degree heading. We complied. No apparent traffic conflict.

Original NASA ASRS Text

Title: ACR MLG DEPARTED FROM ASSIGNED HEADING.

Narrative: TOOK CLRNC FOR ACFT AHEAD SIMILAR CALL SIGN ACR A XYY, OURS ACR A ABYY. COPLT READ BACK INSTRUCTIONS TO TURN LEFT 050 DEGS, CLB TO 17000' AND INCLUDED OUR CALL SIGN. WE EXECUTED TURN FROM PRESENT 170 DEG HDG. DURING TURN DEP ASKED WHERE WE WERE GOING. WE REPEATED CLRNC. DEP SAID TO LEVEL AT 5000' ON 090 DEG HDG. WE COMPLIED. NO APPARENT TFC CONFLICT.

Data retrieved from NASA's ASRS site as of August 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.