80 degree heading error caught by controller.

Attributes
ACN	136273
Time
Date	199002
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : hub
State Reference	TX
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : iah artcc : zlc
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument
Experience	flight time last 90 days : 100 flight time total : 600 flight time type : 150
ASRS Report	136273
Person 2
Affiliation	government : faa
Function	controller : departure
Qualification	controller : radar
Events
Anomaly	aircraft equipment problem : critical 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:

During climb out controller called. Asked dg, heading. Responded 030 degrees. Controller informed actually about 110 degrees. I feel dg must have spun during climb out. Dg was set twice before takeoff at engine warmup and during preflight checklist.

Original NASA ASRS Text

Title: 80 DEGREE HEADING ERROR CAUGHT BY CTLR.

Narrative: DURING CLBOUT CTLR CALLED. ASKED DG, HDG. RESPONDED 030 DEGS. CTLR INFORMED ACTUALLY ABOUT 110 DEGS. I FEEL DG MUST HAVE SPUN DURING CLBOUT. DG WAS SET TWICE BEFORE TKOF AT ENG WARMUP AND DURING PREFLT CHKLIST.

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.