<< >> NASA ASRS Report 341041, July 1996

An air carrier F100 was given a late level off clearance that the crew could not make. This resulted in an altitude overshoot. Altitude deviation.

Attributes
ACN	341041
Time
Date	199607
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : bpr airport : dfw
State Reference	TX
Altitude	msl bound lower : 12000 msl bound upper : 13000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw tower : fty
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent other
Route In Use	arrival other arrival star : star enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
ASRS Report	341041
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	341040
Events
Anomaly	altitude deviation : overshoot other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	controller : issued new clearance
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

Cleared to descend to 11000 ft. First officer flying expedited descent (due to being held high). Also cleared to come left to heading 160 degrees. During steep descent passing 13000 ft, approach asked us to level at 13000 ft. Captain acknowledge this and set altitude but we were passing through 13000 ft as he did. First officer told approach unable 13000 ft, but we can do 12000 ft. Approach replied with new heading and descend to 9000 ft. Complied with new clearance after leveling briefly at 12000 ft.

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Original NASA ASRS Text

Title: AN ACR F100 WAS GIVEN A LATE LEVEL OFF CLRNC THAT THE CREW COULD NOT MAKE. THIS RESULTED IN AN ALT OVERSHOOT. ALTDEV.

Narrative: CLRED TO DSND TO 11000 FT. FO FLYING EXPEDITED DSCNT (DUE TO BEING HELD HIGH). ALSO CLRED TO COME L TO HDG 160 DEGS. DURING STEEP DSCNT PASSING 13000 FT, APCH ASKED US TO LEVEL AT 13000 FT. CAPT ACKNOWLEDGE THIS AND SET ALT BUT WE WERE PASSING THROUGH 13000 FT AS HE DID. FO TOLD APCH UNABLE 13000 FT, BUT WE CAN DO 12000 FT. APCH REPLIED WITH NEW HDG AND DSND TO 9000 FT. COMPLIED WITH NEW CLRNC AFTER LEVELING BRIEFLY AT 12000 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.