<< >> NASA ASRS Report 601214, November 2003

Flight crew of C560 fail to reset altimeter setting through transition level and level off 300 ft low.

Attributes
ACN	601214
Time
Date	200311
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : s46.tracon
State Reference	WA
Altitude	msl single value : 10000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : s46.tracon
Operator	general aviation : corporate
Make Model Name	Citation V
Operating Under FAR Part	Part 91
Flight Phase	descent : intermediate altitude descent : approach
Route In Use	arrival star : olympia
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 84 flight time total : 6050 flight time type : 1250
ASRS Report	601214
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical altitude deviation : overshoot non adherence : published procedure non adherence : company policies non adherence : far non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to assigned altitude
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance Aircraft
Primary Problem	Flight Crew Human Performance

Narrative:

Our electronic checklist was MEL'ed inoperative which required use of paper checklist. During descent through FL180, we failed to set current altimeter setting. We noticed this when level at 10000 ft when ATC asked what airspeed we were at. The difference would put us 300 ft lower. We corrected altimeter setting in both left and right pfd. ATC never mentioned noticing altitude being off. Don't know if electronic checklist would have helped situation besides that, as you accomplish an item, it's checked off. The checklist with an item not checked off would be more noticeable being in our scan than a checklist sitting in a side pocket. No matter what, it was a reminder to take your time accomplishing a checklist so as not to miss any items.

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Original NASA ASRS Text

Title: FLT CREW OF C560 FAIL TO RESET ALTIMETER SETTING THROUGH TRANSITION LEVEL AND LEVEL OFF 300 FT LOW.

Narrative: OUR ELECTRONIC CHKLIST WAS MEL'ED INOP WHICH REQUIRED USE OF PAPER CHKLIST. DURING DSCNT THROUGH FL180, WE FAILED TO SET CURRENT ALTIMETER SETTING. WE NOTICED THIS WHEN LEVEL AT 10000 FT WHEN ATC ASKED WHAT AIRSPD WE WERE AT. THE DIFFERENCE WOULD PUT US 300 FT LOWER. WE CORRECTED ALTIMETER SETTING IN BOTH L AND R PFD. ATC NEVER MENTIONED NOTICING ALT BEING OFF. DON'T KNOW IF ELECTRONIC CHKLIST WOULD HAVE HELPED SIT BESIDES THAT, AS YOU ACCOMPLISH AN ITEM, IT'S CHKED OFF. THE CHKLIST WITH AN ITEM NOT CHKED OFF WOULD BE MORE NOTICEABLE BEING IN OUR SCAN THAN A CHKLIST SITTING IN A SIDE POCKET. NO MATTER WHAT, IT WAS A REMINDER TO TAKE YOUR TIME ACCOMPLISHING A CHKLIST SO AS NOT TO MISS ANY ITEMS.

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.