<< >> NASA ASRS Report 1260639, May 2015

SR22 pilot experiences HSI errors shortly after takeoff causing significant heading deviations from the assigned heading. A poor electrical connection was thought to have caused the anomaly.

Attributes
ACN	1260639
Time
Date	201505
Local Time Of Day	0601-1200
Place
Locale Reference	RDU.Airport
State Reference	NC
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	SR22
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Route In Use	Vectors
Flight Plan	IFR
Component
Aircraft Component	Compass (HSI/ETC)
Person 1
Function	Single Pilot
Qualification	Flight Crew Commercial Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 35 Flight Crew Total 715 Flight Crew Type 90
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Clearance Deviation - Track / Heading All Types

Narrative:

I departed rdu and was given a heading which I turned to using a sandel HSI. The HSI was indicating incorrectly causing me to deviate substantially from the assigned heading. My maintenance facility told me that the problem was probably caused by an electrical disruption. Pilots operating with a sandel HSI should be made aware of this potential problem.

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Original NASA ASRS Text

Title: SR22 pilot experiences HSI errors shortly after takeoff causing significant heading deviations from the assigned heading. A poor electrical connection was thought to have caused the anomaly.

Narrative: I departed RDU and was given a heading which I turned to using a Sandel HSI. The HSI was indicating incorrectly causing me to deviate substantially from the assigned heading. My maintenance facility told me that the problem was probably caused by an electrical disruption. Pilots operating with a Sandel HSI should be made aware of this potential problem.

Data retrieved from NASA's ASRS site 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.