Altitude deviation during recovery from turbulence encounter and autoplt disengagement.

Attributes
ACN	489930
Time
Date	200010
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : rno.airport
State Reference	NV
Altitude	msl bound lower : 33000 msl bound upper : 33320
Environment
Flight Conditions	VMC
Weather Elements	Thunderstorm Windshear
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zoa.artcc
Operator	common carrier : charter
Make Model Name	Learjet 28
Operating Under FAR Part	Part 135
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : charter
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 3680 flight time type : 1600
ASRS Report	489930
Person 2
Affiliation	company : charter
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude inflight encounter : turbulence non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to assigned altitude
Supplementary
Problem Areas	Flight Crew Human Performance Environmental Factor Aircraft
Primary Problem	Environmental Factor

Narrative:

Autoplt disengaged due to turbulence, aircraft climbed to FL333.2. Everything possible was done to maintain FL330 without stressing aircraft.

Original NASA ASRS Text

Title: ALTDEV DURING RECOVERY FROM TURB ENCOUNTER AND AUTOPLT DISENGAGEMENT.

Narrative: AUTOPLT DISENGAGED DUE TO TURB, ACFT CLBED TO FL333.2. EVERYTHING POSSIBLE WAS DONE TO MAINTAIN FL330 WITHOUT STRESSING ACFT.

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.