<< >> NASA ASRS Report 847014, July 2009

BE90 captain departing chd reports inadvertently entering iwa class D airspace due to an altimeter error.

Attributes
ACN	847014
Time
Date	200907
Local Time Of Day	0001-0600
Place
Locale Reference	IWA.Airport
State Reference	AZ
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Make Model Name	King Air C90 E90
Operating Under FAR Part	Part 91
Flight Phase	Climb
Route In Use	None
Flight Plan	None
Component
Aircraft Component	Altimeter
Person 1
Function	Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 42 Flight Crew Total 5235 Flight Crew Type 1400
Events
Anomaly	Aircraft Equipment Problem Less Severe Airspace Violation All Types

Narrative:

On climb departing chd; captain's side altimeter did not coincide with first officer's side altimeter. It is estimated that the aircraft encroached into iwa airspace by possibly 500 to 700 feet. Aircraft increased climb rate and attempted to exit the iwa airspace as soon as possible. In the future this can become a much safer situation by immediately contacting the controlling agency of the infringed airspace; however; in this situation; as soon as it was discovered the aircraft was in the iwa airspace; it evacuated the airspace before contact could have been made. Maintenance concluded the malfunction was caused by debris in static lines.

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Original NASA ASRS Text

Title: BE90 Captain departing CHD reports inadvertently entering IWA Class D airspace due to an altimeter error.

Narrative: On climb departing CHD; Captain's side altimeter did not coincide with First Officer's side altimeter. It is estimated that the aircraft encroached into IWA airspace by possibly 500 to 700 feet. Aircraft increased climb rate and attempted to exit the IWA airspace as soon as possible. In the future this can become a much safer situation by immediately contacting the controlling agency of the infringed airspace; however; in this situation; as soon as it was discovered the aircraft was in the IWA airspace; it evacuated the airspace before contact could have been made. Maintenance concluded the malfunction was caused by debris in static lines.

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.