<< >> NASA ASRS Report 900816, July 2010

Hearback readback problems between both pilots of a B737-700 and ATC resulted in a short term heading deviation.

Attributes
ACN	900816
Time
Date	201007
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Flight Director
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 220 Flight Crew Type 6900
Person 2
Function	Pilot Flying First Officer
Experience	Flight Crew Last 90 Days 172
Events
Anomaly	Deviation - Procedural Clearance Deviation - Track / Heading All Types

Narrative:

The aircraft was being vectored between two vors. ATC requested that we come left to a heading of 060 degrees. The first officer; who was flying; dialed 006 into MCP; and I (as pilot not flying) failed to notice the discrepancy. A short time later; ATC asked if we were still turning to the 060 heading and we informed him that we were heading 006. ATC then requested we turn to a 075 degree heading. We complied and nothing further was said by ATC about the error. The pilot flying needs to correctly put in the assigned heading and the pilot not flying has to back him up and make sure that it is the correct assigned heading.

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Original NASA ASRS Text

Title: Hearback readback problems between both pilots of a B737-700 and ATC resulted in a short term heading deviation.

Narrative: The aircraft was being vectored between two VORs. ATC requested that we come left to a heading of 060 degrees. The First Officer; who was flying; dialed 006 into MCP; and I (as pilot not flying) failed to notice the discrepancy. A short time later; ATC asked if we were still turning to the 060 heading and we informed him that we were heading 006. ATC then requested we turn to a 075 degree heading. We complied and nothing further was said by ATC about the error. The pilot flying needs to correctly put in the assigned heading and the pilot not flying has to back him up and make sure that it is the correct assigned heading.

Data retrieved from NASA's ASRS site as of April 2012 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.