Altitude deviation. Given wrong altimeter setting.

Attributes
ACN	101396
Time
Date	198812
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : slc
State Reference	UT
Altitude	msl bound lower : 11200 msl bound upper : 12000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zlc
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 85 flight time total : 2500 flight time type : 85
ASRS Report	101396
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 65 flight time total : 15000 flight time type : 100
ASRS Report	100860
Events
Anomaly	altitude deviation : overshoot other anomaly other
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation

Narrative:

Received clearance to cross 30 west of slc at 12000' 250 KTS altimeter 30.24. At level off switched to slc approach who queried altitude and updated altimeter setting to 29.55. Transponder mode C showed altitude of 11,200' MSL.

Original NASA ASRS Text

Title: ALT DEVIATION. GIVEN WRONG ALTIMETER SETTING.

Narrative: RECEIVED CLRNC TO CROSS 30 W OF SLC AT 12000' 250 KTS ALTIMETER 30.24. AT LEVEL OFF SWITCHED TO SLC APCH WHO QUERIED ALT AND UPDATED ALTIMETER SETTING TO 29.55. XPONDER MODE C SHOWED ALT OF 11,200' MSL.

Data retrieved from NASA's ASRS site as of August 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.