C525 crew had altitude overshoot in ZID class east.

Attributes
ACN	490730
Time
Date	200010
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : aoh.airport
State Reference	OH
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid.artcc tower : cos.tower
Operator	general aviation : corporate
Make Model Name	Cessna Citation Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	descent : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 120 flight time total : 3500 flight time type : 1000
ASRS Report	490730
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 120 flight time total : 6000 flight time type : 2000
ASRS Report	489798
Events
Anomaly	aircraft equipment problem : critical altitude deviation : overshoot non adherence : published procedure non adherence : company policies non adherence : far other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued alert none taken : detected after the fact
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

We were given a late descent out of FL210 to 11000 ft, which was dialed into the altitude pre-select box. In the descent the circuit breaker for the pilots 2 EFIS tubes were pulled for training purposes. This removed the altitude pre-select box with the proper altitude input. The descent was continued and the leveling altitude was decided, between the 2 pilots, to be 10000 ft. Once level, ZID questioned our leveling altitude. It was then told to us that the assigned altitude was 11000 ft not 10000 ft. After looking back on the event, once the known altitude was removed, due to the loss of power to the altitude pre-select, if there was any debate in the assigned altitude then the center controller should have been questioned immediately.

Original NASA ASRS Text

Title: C525 CREW HAD ALT OVERSHOOT IN ZID CLASS E.

Narrative: WE WERE GIVEN A LATE DSCNT OUT OF FL210 TO 11000 FT, WHICH WAS DIALED INTO THE ALT PRE-SELECT BOX. IN THE DSCNT THE CIRCUIT BREAKER FOR THE PLTS 2 EFIS TUBES WERE PULLED FOR TRAINING PURPOSES. THIS REMOVED THE ALT PRE-SELECT BOX WITH THE PROPER ALT INPUT. THE DSCNT WAS CONTINUED AND THE LEVELING ALT WAS DECIDED, BTWN THE 2 PLTS, TO BE 10000 FT. ONCE LEVEL, ZID QUESTIONED OUR LEVELING ALT. IT WAS THEN TOLD TO US THAT THE ASSIGNED ALT WAS 11000 FT NOT 10000 FT. AFTER LOOKING BACK ON THE EVENT, ONCE THE KNOWN ALT WAS REMOVED, DUE TO THE LOSS OF PWR TO THE ALT PRE-SELECT, IF THERE WAS ANY DEBATE IN THE ASSIGNED ALT THEN THE CTR CTLR SHOULD HAVE BEEN QUESTIONED IMMEDIATELY.

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.