<< >> NASA ASRS Report 487220, September 2000

An air carrier flight crew flying a B727 near dsm reports becoming distracted resulting in an altitude overshoot climbing to 10000 ft.

Attributes
ACN	487220
Time
Date	200009
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : dsm.vortac
State Reference	IA
Altitude	msl bound lower : 10000 msl bound upper : 10200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dsm.tracon tower : mem.tower
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial pilot : atp pilot : multi engine
Experience	flight time last 90 days : 150 flight time total : 8000 flight time type : 3000
ASRS Report	487220
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : multi engine pilot : commercial
Events
Anomaly	altitude deviation : overshoot non adherence : clearance non adherence : far
Independent Detector	other controllera other flight crewa other flight crewb other other : 3
Resolutory Action	controller : issued advisory flight crew : regained aircraft control
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

After takeoff from dsm we were given a climb to 10000 ft. As we passed 9000 ft for 10000 ft the flight engineer had a question about the pressurization. When I looked back to the front we were passing 10100 ft on my altimeter. I called out 10000 ft and we reached 10200 ft on my altimeter before returning to 10000 ft. The first officer's altimeter was reading about 70 ft lower than mine so on his we reached just over 10100 ft before returning to our altitude. ATC did tell us we were off our altitude. I think that one should not get involved in other duties during the last 1000 ft.

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Original NASA ASRS Text

Title: AN ACR FLC FLYING A B727 NEAR DSM RPTS BECOMING DISTRACTED RESULTING IN AN ALT OVERSHOOT CLBING TO 10000 FT.

Narrative: AFTER TKOF FROM DSM WE WERE GIVEN A CLB TO 10000 FT. AS WE PASSED 9000 FT FOR 10000 FT THE FE HAD A QUESTION ABOUT THE PRESSURIZATION. WHEN I LOOKED BACK TO THE FRONT WE WERE PASSING 10100 FT ON MY ALTIMETER. I CALLED OUT 10000 FT AND WE REACHED 10200 FT ON MY ALTIMETER BEFORE RETURNING TO 10000 FT. THE FO'S ALTIMETER WAS READING ABOUT 70 FT LOWER THAN MINE SO ON HIS WE REACHED JUST OVER 10100 FT BEFORE RETURNING TO OUR ALT. ATC DID TELL US WE WERE OFF OUR ALT. I THINK THAT ONE SHOULD NOT GET INVOLVED IN OTHER DUTIES DURING THE LAST 1000 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.