<< >> NASA ASRS Report 572496, January 2003

Altitude deviation altitude excursion by a DC10 cargo flight crew when departure nrr NAS, tjnr, pr.

Attributes
ACN	572496
Time
Date	200301
Day	Sat
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : tjnr.airport
State Reference	PR
Altitude	msl bound lower : 5000 msl bound upper : 9000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 4 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : cfi pilot : commercial pilot : flight engineer pilot : multi engine pilot : atp
Experience	flight time last 90 days : 120 flight time total : 5000 flight time type : 1050
ASRS Report	572496
Person 2
Affiliation	company : air carrier
Function	flight crew : captain
Events
Anomaly	altitude deviation : excursion from assigned altitude altitude deviation : overshoot non adherence : clearance other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued advisory
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Roosevelt roads NAS, puerto rico. Original clearance was to 5000 ft. Prior to reaching 5000 ft, we contacted roosevelt roads departure. Though I was slightly distraction setting climb power, it was my recollection the controller assigned us 9000 ft. First officer acknowledged 9000 ft with a readback and set altitude alerter accordingly. Upon level off at 9000 ft, ATC queried us as to our assigned altitude. First officer stated 9000 ft. The controller said we were assigned 5000 ft. This could have been caused by poor radio quality or a controller mistake in not remembering the 9000 ft assignment or not hearing the readback and catching a communication error. I will be doubly careful in the future to not be distraction by other duties and listen more carefully to ATC communication and possibly catching an assignment or readback error.

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Original NASA ASRS Text

Title: ALTDEV ALT EXCURSION BY A DC10 CARGO FLC WHEN DEP NRR NAS, TJNR, PR.

Narrative: ROOSEVELT ROADS NAS, PUERTO RICO. ORIGINAL CLRNC WAS TO 5000 FT. PRIOR TO REACHING 5000 FT, WE CONTACTED ROOSEVELT ROADS DEP. THOUGH I WAS SLIGHTLY DISTR SETTING CLB PWR, IT WAS MY RECOLLECTION THE CTLR ASSIGNED US 9000 FT. FO ACKNOWLEDGED 9000 FT WITH A READBACK AND SET ALT ALERTER ACCORDINGLY. UPON LEVEL OFF AT 9000 FT, ATC QUERIED US AS TO OUR ASSIGNED ALT. FO STATED 9000 FT. THE CTLR SAID WE WERE ASSIGNED 5000 FT. THIS COULD HAVE BEEN CAUSED BY POOR RADIO QUALITY OR A CTLR MISTAKE IN NOT REMEMBERING THE 9000 FT ASSIGNMENT OR NOT HEARING THE READBACK AND CATCHING A COM ERROR. I WILL BE DOUBLY CAREFUL IN THE FUTURE TO NOT BE DISTR BY OTHER DUTIES AND LISTEN MORE CAREFULLY TO ATC COM AND POSSIBLY CATCHING AN ASSIGNMENT OR READBACK ERROR.

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.