Air carrier crew misset altimeter by 1000' during period low extremely low barometric pressure.

Attributes
ACN	160747
Time
Date	199010
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : anc
State Reference	AK
Altitude	msl bound lower : 8000 msl bound upper : 9000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : anc
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 4 Turbojet Eng
Flight Phase	descent other
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 28000 flight time type : 250
ASRS Report	160747
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other other : unspecified atc other other : unspecified cockpit
Resolutory Action	other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Altimeter setting of 28.83 misunderstood as 29.83, resulting in an error of 1000'. There was no conflict with other traffic, and it was quickly corrected at 8000'.

Original NASA ASRS Text

Title: ACR CREW MISSET ALTIMETER BY 1000' DURING PERIOD LOW EXTREMELY LOW BAROMETRIC PRESSURE.

Narrative: ALTIMETER SETTING OF 28.83 MISUNDERSTOOD AS 29.83, RESULTING IN AN ERROR OF 1000'. THERE WAS NO CONFLICT WITH OTHER TFC, AND IT WAS QUICKLY CORRECTED AT 8000'.

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.