<< >> NASA ASRS Report 354150, November 1996

First officer of an MD80 became confused with ATC crossing restrs amendments resulting in undershooting a descent crossing restr.

Attributes
ACN	354150
Time
Date	199611
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : dfw
State Reference	TX
Altitude	msl bound lower : 11000 msl bound upper : 12500
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Flight Phase	descent other
Route In Use	enroute airway : dfw
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	354150
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : crossing restriction not met altitude deviation : undershoot non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Location: ukw 127 degree radial 13 NM. First officer, PF. ZFW said to expect to cross kagle at 11000 ft. Later, gave us bambe at 11000 ft. At some point during descent, first officer went back to thinking it was the kagle crossing. By the time we caught it, it was too late to get relief. We crossed bambe about 1500 ft high and leveled at 11000 ft about 3 mi beyond bambe. Nothing was said by either ATC or us.

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Original NASA ASRS Text

Title: FO OF AN MD80 BECAME CONFUSED WITH ATC XING RESTRS AMENDMENTS RESULTING IN UNDERSHOOTING A DSCNT XING RESTR.

Narrative: LOCATION: UKW 127 DEG RADIAL 13 NM. FO, PF. ZFW SAID TO EXPECT TO CROSS KAGLE AT 11000 FT. LATER, GAVE US BAMBE AT 11000 FT. AT SOME POINT DURING DSCNT, FO WENT BACK TO THINKING IT WAS THE KAGLE XING. BY THE TIME WE CAUGHT IT, IT WAS TOO LATE TO GET RELIEF. WE CROSSED BAMBE ABOUT 1500 FT HIGH AND LEVELED AT 11000 FT ABOUT 3 MI BEYOND BAMBE. NOTHING WAS SAID BY EITHER ATC OR US.

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.