<< >> NASA ASRS Report 496130, December 2000

B737 first officer turns to the wrong departure heading after the captain had read back the correct heading for departure from dtw, mi.

Attributes
ACN	496130
Time
Date	200012
Day	Tue
Place
Locale Reference	airport : dtw.airport
State Reference	MI
Altitude	agl bound lower : 800 agl bound upper : 5000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : d21.tracon tower : dtw.tower tower : cle.tower
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : intermediate altitude climbout : takeoff climbout : initial
Route In Use	departure : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : multi engine pilot : instrument
ASRS Report	496130
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	496435
Events
Anomaly	non adherence : clearance other anomaly other other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued advisory controller : issued new clearance flight crew : returned to intended or assigned course flight crew : became reoriented
Consequence	faa : reviewed incident with flight crew other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Dtw tower cleared us for takeoff on runway 21C with an immediate turn to a heading of 235 degrees. The captain read back the clearance and 235 degrees, but the first officer misunderstood and set 335 degrees. The heading was not doublechked or verified. The first officer took off and turned to 335 degrees. Departure control queried the crew and corrected the confusion while we were leveling at 5000 ft. There were no traffic conflicts or TCASII alerts or advisories.

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Original NASA ASRS Text

Title: B737 FO TURNS TO THE WRONG DEP HDG AFTER THE CAPT HAD READ BACK THE CORRECT HDG FOR DEP FROM DTW, MI.

Narrative: DTW TWR CLRED US FOR TKOF ON RWY 21C WITH AN IMMEDIATE TURN TO A HDG OF 235 DEGS. THE CAPT READ BACK THE CLRNC AND 235 DEGS, BUT THE FO MISUNDERSTOOD AND SET 335 DEGS. THE HDG WAS NOT DOUBLECHKED OR VERIFIED. THE FO TOOK OFF AND TURNED TO 335 DEGS. DEP CTL QUERIED THE CREW AND CORRECTED THE CONFUSION WHILE WE WERE LEVELING AT 5000 FT. THERE WERE NO TFC CONFLICTS OR TCASII ALERTS OR ADVISORIES.

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.