Deviation from assigned heading.

Attributes
ACN	320755
Time
Date	199511
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : gij
State Reference	MI
Altitude	msl bound lower : 29000 msl bound upper : 29000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zau
Operator	common carrier : air carrier
Make Model Name	B737-200
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 220 flight time total : 8800 flight time type : 4000
ASRS Report	320755
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 154 flight time total : 27600
ASRS Report	320650
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I misheard ATC and turned aircraft to a southerly heading. ATC questioned our heading and told us to turn back to 090 degrees. No traffic conflict was mentioned. PF misheard ATC's request on heading. Initial heading change was not noticed by PNF.

Original NASA ASRS Text

Title: DEV FROM ASSIGNED HDG.

Narrative: I MISHEARD ATC AND TURNED ACFT TO A SOUTHERLY HEADING. ATC QUESTIONED OUR HEADING AND TOLD US TO TURN BACK TO 090 DEGS. NO TFC CONFLICT WAS MENTIONED. PF MISHEARD ATC'S REQUEST ON HEADING. INITIAL HEADING CHANGE WAS NOT NOTICED BY PNF.

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.