A B737-300 flight crew turns right after departing runway 22 when the clearance had been to turn left after takeoff at hou, tx.

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Attributes
ACN	487730
Time
Date	200010
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : hou.airport
State Reference	TX
Altitude	msl single value : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : hou&.tower
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Route In Use	departure : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 280 flight time total : 13000 flight time type : 8400
ASRS Report	487730
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance other anomaly other other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued alert flight crew : became reoriented flight crew : returned to intended or assigned course flight crew : returned to original clearance
Consequence	faa : reviewed incident with flight crew other
Supplementary
Problem Areas	ATC Human Performance Airspace Structure Flight Crew Human Performance ATC Facility
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Takeoff from runway 22 at hobby. We were given instructions by tower 'cleared for takeoff, turn left 360 degrees.' I read back instructions. First officer took off, turned right. Tower noted the incorrect turn, reissued instructions to turn left. We complied. The rest of the departure is normal. This event did not cause a problem, but could have, as there were approachs being made to runway 12R. Fault is mine. I either misread the clearance or misunderstood. Contributing factor: when we were cleared into position and hold, the normal below the line checklist began. This was interrupted by a frequency change by tower from the normal 118.7 to another frequency and check-in done by the first officer. The below the line checklist was once again commenced to be only broken by takeoff clearance, which I read back, dialing in the heading, answering the checklist callouts to completion, before turning the aircraft over to the first officer for takeoff. This was a condensed area of activity with the added confusion of a frequency change.

Original NASA ASRS Text

Title: A B737-300 FLC TURNS R AFTER DEPARTING RWY 22 WHEN THE CLRNC HAD BEEN TO TURN L AFTER TKOF AT HOU, TX.

Narrative: TKOF FROM RWY 22 AT HOBBY. WE WERE GIVEN INSTRUCTIONS BY TWR 'CLRED FOR TKOF, TURN L 360 DEGS.' I READ BACK INSTRUCTIONS. FO TOOK OFF, TURNED R. TWR NOTED THE INCORRECT TURN, REISSUED INSTRUCTIONS TO TURN L. WE COMPLIED. THE REST OF THE DEP IS NORMAL. THIS EVENT DID NOT CAUSE A PROB, BUT COULD HAVE, AS THERE WERE APCHS BEING MADE TO RWY 12R. FAULT IS MINE. I EITHER MISREAD THE CLRNC OR MISUNDERSTOOD. CONTRIBUTING FACTOR: WHEN WE WERE CLRED INTO POS AND HOLD, THE NORMAL BELOW THE LINE CHKLIST BEGAN. THIS WAS INTERRUPTED BY A FREQ CHANGE BY TWR FROM THE NORMAL 118.7 TO ANOTHER FREQ AND CHK-IN DONE BY THE FO. THE BELOW THE LINE CHKLIST WAS ONCE AGAIN COMMENCED TO BE ONLY BROKEN BY TKOF CLRNC, WHICH I READ BACK, DIALING IN THE HDG, ANSWERING THE CHKLIST CALLOUTS TO COMPLETION, BEFORE TURNING THE ACFT OVER TO THE FO FOR TKOF. THIS WAS A CONDENSED AREA OF ACTIVITY WITH THE ADDED CONFUSION OF A FREQ CHANGE.

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.