<< >> NASA ASRS Report 343510, August 1996

Altitude deviation altitude excursion. Proximity of class B airspace.

Attributes
ACN	343510
Time
Date	199608
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : atl
State Reference	GA
Altitude	msl bound lower : 3100 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : atl tower : pit
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent : approach descent other
Route In Use	approach : straight in arrival other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : atp pilot : flight engineer pilot : instrument
Experience	flight time last 90 days : 150 flight time total : 4000 flight time type : 2000
ASRS Report	343510
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Controller told us to level at 3500 ft MSL. Captain leveled momentarily and began slow descent to 3100 ft MSL before flight engineer caught it and he corrected. Approach control reminded us to stay at 3500 ft.

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Original NASA ASRS Text

Title: ALTDEV ALT EXCURSION. PROX OF CLASS B AIRSPACE.

Narrative: CTLR TOLD US TO LEVEL AT 3500 FT MSL. CAPT LEVELED MOMENTARILY AND BEGAN SLOW DSCNT TO 3100 FT MSL BEFORE FE CAUGHT IT AND HE CORRECTED. APCH CTL REMINDED US TO STAY AT 3500 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.