<< >> NASA ASRS Report 997664, March 2012

A failure to note changes in the meas on an IAP to eug resulted in the two pilots aboard a PA22 descending below the MEA while flying an arc transition.

Attributes
ACN	997664
Time
Date	201203
Local Time Of Day	1201-1800
Place
Locale Reference	EUG.Airport
State Reference	OR
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	PA-20 Pacer/PA-22 Tri-Pacer
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Flight Plan	IFR
Person 1
Function	Pilot Not Flying Instructor
Qualification	Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 25 Flight Crew Total 11900 Flight Crew Type 40
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Deviation - Altitude Overshoot Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT

Narrative:

Both the instrument rated pilot and the instructor missed a change to an old familiar approach. Neither of us had shot this approach since the change. The minimum altitude on the arc had changed from 3;200 to 3;700 and we both saw what we expected to see. It looked like a '2' to me until passing 3;300 when approach told us to maintain 3;200 (the MVA). Then I saw that it was a '7'. Another factor that may have had an effect was that we were both trying out smaller format electronic approach charts. From this I re-learned the importance of challenging each number on the approach chart to verify that they haven't snuck in a change.

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Original NASA ASRS Text

Title: A failure to note changes in the MEAs on an IAP to EUG resulted in the two pilots aboard a PA22 descending below the MEA while flying an arc transition.

Narrative: Both the instrument rated pilot and the instructor missed a change to an old familiar approach. Neither of us had shot this approach since the change. The minimum altitude on the arc had changed from 3;200 to 3;700 and we both saw what we expected to see. It looked like a '2' to me until passing 3;300 when approach told us to maintain 3;200 (the MVA). Then I saw that it was a '7'. Another factor that may have had an effect was that we were both trying out smaller format electronic approach charts. From this I re-learned the importance of challenging each number on the approach chart to verify that they haven't snuck in a change.

Data retrieved from NASA's ASRS site as of July 2013 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.