<< >> NASA ASRS Report 232630, January 1993

Altitude deviation altitude overshot in climb. Pre departure clearance (pre departure clearance) involved.

Attributes
ACN	232630
Time
Date	199301
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ewr
State Reference	NJ
Altitude	msl bound lower : 2500 msl bound upper : 3000
Environment
Flight Conditions	IMC
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude climbout : takeoff
Route In Use	departure other departure sid : sid
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial
Experience	flight time last 90 days : 240 flight time total : 20000 flight time type : 3500
ASRS Report	232630
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot non adherence : clearance non adherence : published procedure other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Crew received a pre departure clearance (pre-departure clearance) from our gate agent. It called for a newark 4 departure. Runway in use was runway 22R. The SID calls for an altitude of 5000 ft. Climbing through 3000 ft, we checked in and were told to maintain 2500 ft. He then changed it to 3500 ft when he saw us going through 3000 ft. Later we reviewed our pre departure clearance and found that it had an amendment to maintain 2500 ft. This is highly unusual. I have never in 5 yrs of using this airport experienced them to deviate from the normal SID. I feel the tower when clearing us for takeoff should have made a verbal confirmation as to the altitude change. We just missed the amendment. There was not a traffic conflict that we were aware of.

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Original NASA ASRS Text

Title: ALTDEV ALT OVERSHOT IN CLB. PRE DEP CLRNC (PDC) INVOLVED.

Narrative: CREW RECEIVED A PDC (PRE-DEP CLRNC) FROM OUR GATE AGENT. IT CALLED FOR A NEWARK 4 DEP. RWY IN USE WAS RWY 22R. THE SID CALLS FOR AN ALT OF 5000 FT. CLBING THROUGH 3000 FT, WE CHKED IN AND WERE TOLD TO MAINTAIN 2500 FT. HE THEN CHANGED IT TO 3500 FT WHEN HE SAW US GOING THROUGH 3000 FT. LATER WE REVIEWED OUR PDC AND FOUND THAT IT HAD AN AMENDMENT TO MAINTAIN 2500 FT. THIS IS HIGHLY UNUSUAL. I HAVE NEVER IN 5 YRS OF USING THIS ARPT EXPERIENCED THEM TO DEVIATE FROM THE NORMAL SID. I FEEL THE TWR WHEN CLRING US FOR TKOF SHOULD HAVE MADE A VERBAL CONFIRMATION AS TO THE ALT CHANGE. WE JUST MISSED THE AMENDMENT. THERE WAS NOT A TFC CONFLICT THAT WE WERE AWARE OF.

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.