Narrative:

After departing teb airport on the teb 6 departure, we followed the departure procedure as prescribed. We were given a climb to 6000 ft MSL and were instructed to take a heading to intercept the 350 degree radial off colts neck VOR and track inbound, the first rerte from clearance. The PNF began setting the new information into the FMS and back-up on raw data. A discrepancy occurred, which showed up on the mfd moving map. I looked down to see what may have been missed. As I did, a radio transmission came instructing us to head direct to white intersection. Since I was looking down, the PNF was looking out and running the radio. First mistake: no positive xfer of control of aircraft from PF to PNF. Because of that, the PNF received instructions to climb to 17000 ft with an expedite through 11000 ft. The PNF set the new altitude into the altitude alerter, but did not tell me or challenge me with the new instruction he had acknowledged. Second mistake: off company SOP on confign or flight regime change. The second rerte caused a breakdown in cockpit communication. I, the PF, never heard the climb clearance and was never challenged by the PNF. Only when queried by ATC did I realize the altitude alerter setting had been changed. I asked the PNF what the heck happened. He realized he had not challenged me on whether or not I had seen or heard the ATC instruction. ATC asked if anything was wrong. We replied no, and apologized for not starting our acknowledged climb to 17000 ft. Subsequently, we were told not to climb, returned to the original 350 degree radial to colts neck VOR and were then given a handoff to another controller who then climbed us and got us out of the new york area. The primary cause of deviation (not climbing on an acknowledged ATC instruction) was lack of communication and the PNF not following company SOP's.

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Original NASA ASRS Text

Title: ALT UNDERSHOT WHEN A CPR JET PIC FAILS TO CLB IN ACCORD WITH AN ALT ASSIGNMENT BY CTLR AT N90 DURING TEB 6 DEP PROC 12 MI NW OF COL, NJ.

Narrative: AFTER DEPARTING TEB ARPT ON THE TEB 6 DEP, WE FOLLOWED THE DEP PROC AS PRESCRIBED. WE WERE GIVEN A CLB TO 6000 FT MSL AND WERE INSTRUCTED TO TAKE A HDG TO INTERCEPT THE 350 DEG RADIAL OFF COLTS NECK VOR AND TRACK INBOUND, THE FIRST RERTE FROM CLRNC. THE PNF BEGAN SETTING THE NEW INFO INTO THE FMS AND BACK-UP ON RAW DATA. A DISCREPANCY OCCURRED, WHICH SHOWED UP ON THE MFD MOVING MAP. I LOOKED DOWN TO SEE WHAT MAY HAVE BEEN MISSED. AS I DID, A RADIO XMISSION CAME INSTRUCTING US TO HEAD DIRECT TO WHITE INTXN. SINCE I WAS LOOKING DOWN, THE PNF WAS LOOKING OUT AND RUNNING THE RADIO. FIRST MISTAKE: NO POSITIVE XFER OF CTL OF ACFT FROM PF TO PNF. BECAUSE OF THAT, THE PNF RECEIVED INSTRUCTIONS TO CLB TO 17000 FT WITH AN EXPEDITE THROUGH 11000 FT. THE PNF SET THE NEW ALT INTO THE ALT ALERTER, BUT DID NOT TELL ME OR CHALLENGE ME WITH THE NEW INSTRUCTION HE HAD ACKNOWLEDGED. SECOND MISTAKE: OFF COMPANY SOP ON CONFIGN OR FLT REGIME CHANGE. THE SECOND RERTE CAUSED A BREAKDOWN IN COCKPIT COM. I, THE PF, NEVER HEARD THE CLB CLRNC AND WAS NEVER CHALLENGED BY THE PNF. ONLY WHEN QUERIED BY ATC DID I REALIZE THE ALT ALERTER SETTING HAD BEEN CHANGED. I ASKED THE PNF WHAT THE HECK HAPPENED. HE REALIZED HE HAD NOT CHALLENGED ME ON WHETHER OR NOT I HAD SEEN OR HEARD THE ATC INSTRUCTION. ATC ASKED IF ANYTHING WAS WRONG. WE REPLIED NO, AND APOLOGIZED FOR NOT STARTING OUR ACKNOWLEDGED CLB TO 17000 FT. SUBSEQUENTLY, WE WERE TOLD NOT TO CLB, RETURNED TO THE ORIGINAL 350 DEG RADIAL TO COLTS NECK VOR AND WERE THEN GIVEN A HDOF TO ANOTHER CTLR WHO THEN CLBED US AND GOT US OUT OF THE NEW YORK AREA. THE PRIMARY CAUSE OF DEV (NOT CLBING ON AN ACKNOWLEDGED ATC INSTRUCTION) WAS LACK OF COM AND THE PNF NOT FOLLOWING COMPANY SOP'S.

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.