Narrative:

While conducting IOE for new first officer, missed a crossing restr on the camrn.3 STAR during arrival to jfk. No conflict with other aircraft. New first officer was PF. We received clearance to cross a point 5 mi south of the camrn intersection at 11000 ft. Clearance was read back correctly, but I made a mental error and subtracted 5 mi from the distance instead of adding. I also communicated this to the first officer and he did not catch my mistake. Camrn is located 53 DME south of deer park. We, therefore, mistakenly agreed that the crossing clearance was at 48 DME versus 58 DME as intended by ATC. Passing camrn, we were queried by ATC about our ability to make the crossing restr and I replied in the affirmative, then realized my error and assisted the first officer in increasing our descent rate. Actual altitude at a point 5 mi south of camrn was approximately 13000 ft. We leveled at 11000 ft at 51 DME. Contributing to this event is the design of the STAR which necessitates both pilots to be tuned to separate vors, flying outbound on one radial and inbound on another. High workload for both the line check pilot and the new first officer is endemic during these IOE's. Although I table all instructional discussion at top of descent, the potential for these types of errors is increased during periods of airline expansion/high training levels.

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Original NASA ASRS Text

Title: A B727-200 FLC FAILS TO MAKE THE ALT XING RESTR AS STIPULATED BY ZNY CTLR 58 MI SW OF DPK, NY.

Narrative: WHILE CONDUCTING IOE FOR NEW FO, MISSED A XING RESTR ON THE CAMRN.3 STAR DURING ARR TO JFK. NO CONFLICT WITH OTHER ACFT. NEW FO WAS PF. WE RECEIVED CLRNC TO CROSS A POINT 5 MI S OF THE CAMRN INTXN AT 11000 FT. CLRNC WAS READ BACK CORRECTLY, BUT I MADE A MENTAL ERROR AND SUBTRACTED 5 MI FROM THE DISTANCE INSTEAD OF ADDING. I ALSO COMMUNICATED THIS TO THE FO AND HE DID NOT CATCH MY MISTAKE. CAMRN IS LOCATED 53 DME S OF DEER PARK. WE, THEREFORE, MISTAKENLY AGREED THAT THE XING CLRNC WAS AT 48 DME VERSUS 58 DME AS INTENDED BY ATC. PASSING CAMRN, WE WERE QUERIED BY ATC ABOUT OUR ABILITY TO MAKE THE XING RESTR AND I REPLIED IN THE AFFIRMATIVE, THEN REALIZED MY ERROR AND ASSISTED THE FO IN INCREASING OUR DSCNT RATE. ACTUAL ALT AT A POINT 5 MI S OF CAMRN WAS APPROX 13000 FT. WE LEVELED AT 11000 FT AT 51 DME. CONTRIBUTING TO THIS EVENT IS THE DESIGN OF THE STAR WHICH NECESSITATES BOTH PLTS TO BE TUNED TO SEPARATE VORS, FLYING OUTBOUND ON ONE RADIAL AND INBOUND ON ANOTHER. HIGH WORKLOAD FOR BOTH THE LINE CHK PLT AND THE NEW FO IS ENDEMIC DURING THESE IOE'S. ALTHOUGH I TABLE ALL INSTRUCTIONAL DISCUSSION AT TOP OF DSCNT, THE POTENTIAL FOR THESE TYPES OF ERRORS IS INCREASED DURING PERIODS OF AIRLINE EXPANSION/HIGH TRAINING LEVELS.

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.