<< >> NASA ASRS Report 761590, October 2007

An LJ45 pilot departing teb experienced a track deviation when his automatic flight failed to track the departure correctly.

Attributes
ACN	761590
Time
Date	200710
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : teb.airport
State Reference	NJ
Altitude	msl single value : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90.tracon tower : hnl.tower
Operator	general aviation : corporate
Make Model Name	Learjet 45
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	climbout : initial
Route In Use	departure sid : teb
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 50 flight time total : 3500 flight time type : 1500
ASRS Report	761590
Person 2
Affiliation	government : faa
Function	controller : departure
Events
Anomaly	non adherence : published procedure other spatial deviation
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : returned to intended or assigned course
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

We departed teb runway 24 on the teb 5 departure. The departure calls for a takeoff and climb to 1500 ft then turn right to a heading of 280 degrees and climb to 2000 ft. I verified that in the FMS and the textual description. So when we departed; I flew to 1500 ft following the flight director. It did not turn as it usually does when synced to the FMS. I started the turn immediately with the heading bug. At the same time approach came on and advised to turn immediately. Told him we were and he advised to be more observant. After reaching altitude; I called the approach in ny and they advised us that it was ok and nothing would be filed or reported. I said thank you for the leniency. I feel as a professional pilot; that I need to be more aware and be ready to hand fly instead of relying on automation. I do feel if the FMS would have worked correctly; this situation would not have happened; but I take full responsibility. I will not rely on automation as much and will be ready to hand fly immediately.

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Original NASA ASRS Text

Title: AN LJ45 PILOT DEPARTING TEB EXPERIENCED A TRACK DEV WHEN HIS AUTO FLIGHT FAILED TO TRACK THE DEPARTURE CORRECTLY.

Narrative: WE DEPARTED TEB RWY 24 ON THE TEB 5 DEP. THE DEP CALLS FOR A TKOF AND CLB TO 1500 FT THEN TURN RIGHT TO A HDG OF 280 DEGS AND CLB TO 2000 FT. I VERIFIED THAT IN THE FMS AND THE TEXTUAL DESCRIPTION. SO WHEN WE DEPARTED; I FLEW TO 1500 FT FOLLOWING THE FLT DIRECTOR. IT DID NOT TURN AS IT USUALLY DOES WHEN SYNCED TO THE FMS. I STARTED THE TURN IMMEDIATELY WITH THE HDG BUG. AT THE SAME TIME APCH CAME ON AND ADVISED TO TURN IMMEDIATELY. TOLD HIM WE WERE AND HE ADVISED TO BE MORE OBSERVANT. AFTER REACHING ALT; I CALLED THE APCH IN NY AND THEY ADVISED US THAT IT WAS OK AND NOTHING WOULD BE FILED OR REPORTED. I SAID THANK YOU FOR THE LENIENCY. I FEEL AS A PROFESSIONAL PLT; THAT I NEED TO BE MORE AWARE AND BE READY TO HAND FLY INSTEAD OF RELYING ON AUTOMATION. I DO FEEL IF THE FMS WOULD HAVE WORKED CORRECTLY; THIS SITUATION WOULD NOT HAVE HAPPENED; BUT I TAKE FULL RESPONSIBILITY. I WILL NOT RELY ON AUTOMATION AS MUCH AND WILL BE READY TO HAND FLY IMMEDIATELY.

Data retrieved from NASA's ASRS site as of January 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.