ACR DEPARTED TEB ON THE DALTON DEP PROC AND CONFLICTED WITH TFC INBOUND TO EWR RESULTING IN AN OPERROR.

1998-05 · NASA ASRS report 406942

Date: 1998-05 · Aircraft: Gulfstream II (G1159)

Anomalies: atc-issue-all-types|conflict-airborne-conflict|deviation-discrepancy-procedural-published-material-policy|deviation-discrepancy-procedural-clearance|other-unspecified

Synopsis

ACR DEPARTED TEB ON THE DALTON DEP PROC AND CONFLICTED WITH TFC INBOUND TO EWR RESULTING IN AN OPERROR.

Narrative

TEB DEP WAS RADAR IDENTED AND GIVEN A TURN TO 190 DEGS WITH A TURBOJET DIRECTLY OVERHEAD AND DSNDING ON 220 DEGS. SEPARATION WAS IMMEDIATELY LOST! THIS EVENT IS THE RESULT OF AN EXTREMELY DANGEROUS DEP PROC USED AT TEB AT THE N90 TRACON. THE TEB DALTON 19 DEP PRESENTS THE POTENTIAL FOR NUMEROUS DANGEROUS CONFLICTS. THIS PROC WITH THE EXCEPTION OF NOISE ABATEMENT CONCERNS HAS NUMEROUS FAULTS AND VIOLATES ALMOST EVERY KNOWN COMMON SENSE APPLICATION OF ATC: 1) DUE TO A LOOPHOLE IN THE AIR TFC MANUAL; TEB DEPS ARE PUT IN DANGEROUS PROX TO EWR HVY JET ARRS ON A ROUTINE BASIS (IE; LESS THAN 5 MI AND 1000 FT) AS WELL AS STANDARD SEPARATION ON ALL OTHER TYPES. 2) THE WORDING OF THE DALTON 19 DEP PLACES THE TEB DEP ACFT ALARMINGLY CLOSE TO CLASS B AIRSPACE; EWR RWY 22 FINAL; AND TERRAIN. 3) THE EVENT OF A WRONG MOVE BY EITHER THE ACFT OR THE CTLR CAN RESULT IN SERIOUS CONSEQUENCES WITHOUT ANY TIME FOR RECOVERY. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED HE HAD FILED AN UNSATISFACTORY CONDITION RPT (UCR) CONCERNING THE TEB DALTON DEP PROC BECAUSE OF SAFETY CONCERNS. THE DEP IS USED MOSTLY BY CPR PLTS; MANY OF WHOM ARE NOT VERY FAMILIAR WITH THE PROC AT TEB. HE SAID THERE ARE FREQUENT INCIDENTS OF PLTS TURNING LATE; OR EXCEEDING SPD AND ALT LIMITS. HE SAID PROVIDING WAKE TURB SEPARATION IS DIFFICULT IF NOT IMPOSSIBLE BECAUSE OF THE PROX OF OVERHEAD TFC TO EWR. HE THINKS AN LOA CONCERNING HVY ACFT SEPARATION SHOULD BE WRITTEN AND A BRIEFING GIVEN TO PLTS BEFORE THEY USE THE DEP.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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