Pilot reporter apparently given wrong altimeter setting resulting in cruise at wrong altitude.

Attributes
ACN	108030
Time
Date	198904
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zob
State Reference	OH
Altitude	msl bound lower : 11500 msl bound upper : 12500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	cruise other
Route In Use	enroute airway : zob
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : cfi pilot : commercial
Experience	flight time last 90 days : 60 flight time total : 800 flight time type : 150
ASRS Report	108030
Person 2
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Events
Anomaly	altitude deviation : excursion from assigned altitude other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

I was at 12000' when the controller asked my altitude. My altimeter read 12000' so I conveyed this to the controller. She had given me the wrong altimeter setting. Once she gave me the proper setting, she received the proper altitude readout.

Original NASA ASRS Text

Title: PLT REPORTER APPARENTLY GIVEN WRONG ALTIMETER SETTING RESULTING IN CRUISE AT WRONG ALT.

Narrative: I WAS AT 12000' WHEN THE CTLR ASKED MY ALT. MY ALTIMETER READ 12000' SO I CONVEYED THIS TO THE CTLR. SHE HAD GIVEN ME THE WRONG ALTIMETER SETTING. ONCE SHE GAVE ME THE PROPER SETTING, SHE RECEIVED THE PROPER ALT READOUT.

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.