<< >> NASA ASRS Report 499840, January 2001

F100 flight crew miss altimeter change at transition altitude and overshot M98 assigned altitude on vector to final approach.

Attributes
ACN	499840
Time
Date	200101
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : msp.airport
State Reference	MN
Altitude	msl bound lower : 6500 msl bound upper : 7500
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : m98.tracon
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	499840
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : multi engine pilot : commercial
ASRS Report	500087
Events
Anomaly	altitude deviation : overshoot non adherence : clearance non adherence : published procedure non adherence : company policies
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : returned to original clearance
Consequence	other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Altimeters were incorrectly set going through transition altitude. We set 30.26 when the correct setting was 29.26. At approximately 7500 ft, we noticed error, but this put us 500 ft below our leveloff altitude of 7000 ft. ATC was informed immediately of error, and altitude was corrected. After gate arrival, we called ATC tower. They informed us that no conflict had occurred.

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Original NASA ASRS Text

Title: F100 FLC MISS ALTIMETER CHANGE AT TRANSITION ALT AND OVERSHOT M98 ASSIGNED ALT ON VECTOR TO FINAL APCH.

Narrative: ALTIMETERS WERE INCORRECTLY SET GOING THROUGH TRANSITION ALT. WE SET 30.26 WHEN THE CORRECT SETTING WAS 29.26. AT APPROX 7500 FT, WE NOTICED ERROR, BUT THIS PUT US 500 FT BELOW OUR LEVELOFF ALT OF 7000 FT. ATC WAS INFORMED IMMEDIATELY OF ERROR, AND ALT WAS CORRECTED. AFTER GATE ARR, WE CALLED ATC TWR. THEY INFORMED US THAT NO CONFLICT HAD OCCURRED.

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.