BE1900D altitude deviation on approach to day.

Attributes
ACN	458700
Time
Date	199912
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : cvg.vortac
State Reference	KY
Altitude	msl bound lower : 10600 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : day.tracon
Operator	common carrier : air carrier
Make Model Name	Beech 1900
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 250 flight time total : 3500 flight time type : 2100
ASRS Report	458700
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance non adherence : far
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to assigned altitude
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I 'zoned out' for a bit. First officer initiated a turn and lost 400 ft in the turn. I looked up at altimeter when 800 ft horn went off and encouraged corrective action. Contributing factors were I had woken early for an early show time. I was tired, as I did not sleep well the night before.

Original NASA ASRS Text

Title: BE1900D ALTDEV ON APCH TO DAY.

Narrative: I 'ZONED OUT' FOR A BIT. FO INITIATED A TURN AND LOST 400 FT IN THE TURN. I LOOKED UP AT ALTIMETER WHEN 800 FT HORN WENT OFF AND ENCOURAGED CORRECTIVE ACTION. CONTRIBUTING FACTORS WERE I HAD WOKEN EARLY FOR AN EARLY SHOW TIME. I WAS TIRED, AS I DID NOT SLEEP WELL THE NIGHT BEFORE.

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.