The flight crew forgot to set 29.92 when they climbed through FL180. Consequently, they were off altitude when they leveled at FL190. The ARTCC said they were 400 ft high. The reporter stated they were 180 ft high.

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Attributes
ACN	327760
Time
Date	199602
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zmp
State Reference	MN
Altitude	msl bound lower : 19000 msl bound upper : 19400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp
Operator	general aviation : corporate
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude cruise other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 120 flight time total : 1500 flight time type : 50
ASRS Report	327760
Person 2
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : overshoot non adherence : clearance other anomaly other
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I leveled at FL190 and didn't reset altimeter. ATC advised me that I was 400 ft high. I reset altimeter, found that I was 180 ft high, and then corrected my altitude. My copilot told ATC we were correcting our altitude, but didn't tell them that we were only 180 ft high, not 400 ft.

Original NASA ASRS Text

Title: THE FLC FORGOT TO SET 29.92 WHEN THEY CLBED THROUGH FL180. CONSEQUENTLY, THEY WERE OFF ALT WHEN THEY LEVELED AT FL190. THE ARTCC SAID THEY WERE 400 FT HIGH. THE RPTR STATED THEY WERE 180 FT HIGH.

Narrative: I LEVELED AT FL190 AND DIDN'T RESET ALTIMETER. ATC ADVISED ME THAT I WAS 400 FT HIGH. I RESET ALTIMETER, FOUND THAT I WAS 180 FT HIGH, AND THEN CORRECTED MY ALT. MY COPLT TOLD ATC WE WERE CORRECTING OUR ALT, BUT DIDN'T TELL THEM THAT WE WERE ONLY 180 FT HIGH, NOT 400 FT.

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.