Low altimeter setting results in an altitude deviation.

Attributes
ACN	297560
Time
Date	199502
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : teb
State Reference	NJ
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : teb
Operator	general aviation : personal
Make Model Name	Lockheed Corp Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Route In Use	enroute airway : n90
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 50 flight time total : 12000 flight time type : 600
ASRS Report	297560
Person 2
Affiliation	government : faa
Function	controller : departure
Qualification	controller : radar
Events
Anomaly	altitude deviation : undershoot inflight encounter other non adherence : clearance
Independent Detector	other controllera
Resolutory Action	flight crew : became reoriented flight crew : returned to intended course or assigned course other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Weather
Air Traffic Incident	Pilot Deviation
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

Cleared to 10000 ft, control asked where I was going. I showed level at 10000 ft. He showed 11000 ft. The problem was with altimeter setting. Altimeter was low, which showed me high. I reset altimeter and climbed to correct altitude I did not bust altitude, I just wasn't there yet.

Original NASA ASRS Text

Title: LOW ALTIMETER SETTING RESULTS IN AN ALTDEV.

Narrative: CLRED TO 10000 FT, CTL ASKED WHERE I WAS GOING. I SHOWED LEVEL AT 10000 FT. HE SHOWED 11000 FT. THE PROB WAS WITH ALTIMETER SETTING. ALTIMETER WAS LOW, WHICH SHOWED ME HIGH. I RESET ALTIMETER AND CLBED TO CORRECT ALT I DID NOT BUST ALT, I JUST WASN'T THERE YET.

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.