Air carrier flight crew in EMB120 deviated from assigned altitude.

Attributes
ACN	430652
Time
Date	199903
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : rid.vortac
State Reference	OH
Altitude	msl single value : 7000
Environment
Flight Conditions	Mixed
Weather Elements	Ice Turbulence
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : cvg.tracon tower : dtw.tower
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 121
Navigation In Use	other vortac
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 30 flight time total : 7500 flight time type : 5500
ASRS Report	430652
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Experience	flight time last 90 days : 160 flight time total : 1480 flight time type : 200
ASRS Report	430190
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to original clearance
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

The first officer hand flying aircraft deviated approximately 260 ft below assigned altitude of 7000 ft in ice and turbulence while IMC.

Original NASA ASRS Text

Title: ACR FLC IN EMB120 DEVIATED FROM ASSIGNED ALT.

Narrative: THE FO HAND FLYING ACFT DEVIATED APPROX 260 FT BELOW ASSIGNED ALT OF 7000 FT IN ICE AND TURB WHILE IMC.

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.