A C560 first officer distracted during an early teb 5 ATC directed turn climbed above 1500 ft prior to 4.5 DME. Reporter had tunnel vision on the turn.

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Attributes
ACN	769321
Time
Date	200801
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : teb.airport
State Reference	NJ
Altitude	msl single value : 1500
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : n90.tracon
Operator	general aviation : corporate
Make Model Name	Citation V
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial
Route In Use	departure sid : teb
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial pilot : atp
Experience	flight time last 90 days : 20 flight time total : 2000 flight time type : 875
ASRS Report	769321
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : multi engine
Experience	flight time last 90 days : 101 flight time total : 3200 flight time type : 390
ASRS Report	769320
Events
Anomaly	altitude deviation : overshoot non adherence : published procedure non adherence : clearance
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued advisory flight crew : returned to assigned altitude
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Took off from teb; runway 24; on teb 5 departure. Departure procedure is fly runway heading to 1500 ft; right turn to 280 degrees; maintain 1500 ft until 4.5 DME from teb VOR. After takeoff was climbing runway heading; coming up on 1500 ft when controller instructed begin right turn to 280 degrees; I began the right turn at approximately 1350 ft and became distraction during the turn; becoming too focused on banking the aircraft (for unknown reason) and allowed the aircraft; inadvertently; to drift above 1500 ft altitude. I caught the altitude at the same time the controller advised 'you're supposed to be at 1500 ft.' and corrected immediately. The captain had made the assumption that since we were told to turn before we reached 1500 ft; that we were going to be cleared on up to 2000 ft; so he didn't catch the altitude deviation either. This was caused by inattention on my part at a critical time. I had tunnel vision; allowing my attention to drift away from the big picture of what was going on; micro managing the turning of the aircraft. The possibility of what could have happened makes me shudder.

Original NASA ASRS Text

Title: A C560 FO DISTRACTED DURING AN EARLY TEB 5 ATC DIRECTED TURN CLBED ABOVE 1500 FT PRIOR TO 4.5 DME. RPTR HAD TUNNEL VISION ON THE TURN.

Narrative: TOOK OFF FROM TEB; RWY 24; ON TEB 5 DEP. DEP PROC IS FLY RWY HDG TO 1500 FT; R TURN TO 280 DEGS; MAINTAIN 1500 FT UNTIL 4.5 DME FROM TEB VOR. AFTER TAKEOFF WAS CLBING RWY HEADING; COMING UP ON 1500 FT WHEN CTLR INSTRUCTED BEGIN R TURN TO 280 DEGS; I BEGAN THE R TURN AT APPROX 1350 FT AND BECAME DISTR DURING THE TURN; BECOMING TOO FOCUSED ON BANKING THE ACFT (FOR UNKNOWN REASON) AND ALLOWED THE ACFT; INADVERTENTLY; TO DRIFT ABOVE 1500 FT ALT. I CAUGHT THE ALT AT THE SAME TIME THE CTLR ADVISED 'YOU'RE SUPPOSED TO BE AT 1500 FT.' AND CORRECTED IMMEDIATELY. THE CAPT HAD MADE THE ASSUMPTION THAT SINCE WE WERE TOLD TO TURN BEFORE WE REACHED 1500 FT; THAT WE WERE GOING TO BE CLRED ON UP TO 2000 FT; SO HE DIDN'T CATCH THE ALT DEV EITHER. THIS WAS CAUSED BY INATTENTION ON MY PART AT A CRITICAL TIME. I HAD TUNNEL VISION; ALLOWING MY ATTENTION TO DRIFT AWAY FROM THE BIG PICTURE OF WHAT WAS GOING ON; MICRO MANAGING THE TURNING OF THE ACFT. THE POSSIBILITY OF WHAT COULD HAVE HAPPENED MAKES ME SHUDDER.

Data retrieved from NASA's ASRS site as of May 2009 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.