<< >> NASA ASRS Report 240909, May 1993

Widebody transport misses altitude crossing restriction and overshoots required turn on SID thus violating noise abatement procedure.

Attributes
ACN	240909
Time
Date	199305
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : cgn
State Reference	FO
Altitude	msl bound lower : 2500 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dus artcc : zny
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 4 Turbojet Eng
Navigation In Use	Other
Flight Phase	climbout : intermediate altitude
Route In Use	departure sid : sid
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 200 flight time total : 15000 flight time type : 200
ASRS Report	240909
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : crossing restriction not met non adherence : clearance non adherence : published procedure other spatial deviation
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

In sum: widebody transport takeoff from cgn and misunderstood norvenich 2 hotel SID. Planform note says to cross lv LOM at 3500 ft. Text says to climb straight ahead until passing lv LOM 'and' 3500 ft, turn right.... Heavy aircraft unable to comply. Rather than advise ATC, crew thought they could climb beyond lv LOM until reaching 3500 ft before starting their turn. Because of a problem engaging the autoplt, there was delay contacting dus departure controller and, when they finally did call him, they were seriously chastised. Supplemental information from acn 240909: I have subsequently determined that the intent of the nor 2H SID text is: 'turn right at 3500 ft, but not before passing the lv LOM (5 DME), intercept the nor R-107 inbound.'

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Original NASA ASRS Text

Title: WDB MISSES ALT XING RESTRICTION AND OVERSHOOTS REQUIRED TURN ON SID THUS VIOLATING NOISE ABATEMENT PROC.

Narrative: IN SUM: WDB TKOF FROM CGN AND MISUNDERSTOOD NORVENICH 2 HOTEL SID. PLANFORM NOTE SAYS TO CROSS LV LOM AT 3500 FT. TEXT SAYS TO CLB STRAIGHT AHEAD UNTIL PASSING LV LOM 'AND' 3500 FT, TURN R.... HVY ACFT UNABLE TO COMPLY. RATHER THAN ADVISE ATC, CREW THOUGHT THEY COULD CLB BEYOND LV LOM UNTIL REACHING 3500 FT BEFORE STARTING THEIR TURN. BECAUSE OF A PROB ENGAGING THE AUTOPLT, THERE WAS DELAY CONTACTING DUS DEP CTLR AND, WHEN THEY FINALLY DID CALL HIM, THEY WERE SERIOUSLY CHASTISED. SUPPLEMENTAL INFORMATION FROM ACN 240909: I HAVE SUBSEQUENTLY DETERMINED THAT THE INTENT OF THE NOR 2H SID TEXT IS: 'TURN R AT 3500 FT, BUT NOT BEFORE PASSING THE LV LOM (5 DME), INTERCEPT THE NOR R-107 INBOUND.'

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.