<< >> NASA ASRS Report 520760, August 2001

A CE550 flight crew failed to level off at assigned altitude when the autoplt didn't capture set altitude.

Attributes
ACN	520760
Time
Date	200108
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : mci.tracon
State Reference	MO
Altitude	msl single value : 7000
Aircraft 1
Operator	general aviation : personal
Make Model Name	Citation II S2/Bravo
Flight Phase	descent : approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : first officer
Qualification	pilot : instrument pilot : multi engine pilot : commercial pilot : cfi pilot : atp
Experience	flight time last 90 days : 135 flight time total : 9300 flight time type : 45
ASRS Report	520760
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : overshoot non adherence : clearance other anomaly other
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

During the approach into kansas city downtown airport, while being vectored, clearance to descend was given and acknowledged. New altitude was set in altitude preselect. Autoplt was engaged during the entire flight. 1000 ft call was made prior to reaching assigned altitude. Other cockpit duties were being performed in anticipation of landing. However, neither the PIC (who was also the PF) nor I noticed that the autoplt did not capture the assigned altitude until we received further descent clearance.

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Original NASA ASRS Text

Title: A CE550 FLT CREW FAILED TO LEVEL OFF AT ASSIGNED ALT WHEN THE AUTOPLT DIDN'T CAPTURE SET ALT.

Narrative: DURING THE APCH INTO KANSAS CITY DOWNTOWN ARPT, WHILE BEING VECTORED, CLRNC TO DSND WAS GIVEN AND ACKNOWLEDGED. NEW ALT WAS SET IN ALT PRESELECT. AUTOPLT WAS ENGAGED DURING THE ENTIRE FLT. 1000 FT CALL WAS MADE PRIOR TO REACHING ASSIGNED ALT. OTHER COCKPIT DUTIES WERE BEING PERFORMED IN ANTICIPATION OF LNDG. HOWEVER, NEITHER THE PIC (WHO WAS ALSO THE PF) NOR I NOTICED THAT THE AUTOPLT DID NOT CAPTURE THE ASSIGNED ALT UNTIL WE RECEIVED FURTHER DSCNT CLRNC.

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.