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DA20 first officer reports TCAS RA at 3000 feet 20 NM west of teb with unknown aircraft in violation of class B airspace.
| Attributes | |
| ACN | 753373 |
| Time | |
| Date | 200709 |
| Place | |
| Locale Reference | airport : teb.airport |
| State Reference | NJ |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon |
| Operator | general aviation : corporate |
| Make Model Name | Falcon 20FJF/20C/20D/20E/20F |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : multi engine |
| Experience | flight time last 90 days : 75 flight time total : 14000 flight time type : 4000 |
| ASRS Report | 753373 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Events | |
| Anomaly | airspace violation : entry conflict : airborne critical non adherence : far |
| Independent Detector | aircraft equipment : tcas other controllera |
| Resolutory Action | controller : issued new clearance controller : separated traffic flight crew : took evasive action |
| Miss Distance | vertical : 400 |
| Supplementary | |
| Problem Areas | ATC Human Performance Airspace Structure Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
We were 20 mi west of teterboro VOR flying direct to wayns for the VOR DME a approach to teterboro at an assigned altitude of 3000 ft. New york approach issued a TA to us for traffic at 11 O'clock position; swbound. We could not pick up the traffic visually. About 30 seconds later approach gave us a climb to 3500 ft. We got a TCAS RA shortly thereafter to climb. The captain started the climb but was a little slow in his pitch up. The traffic passed under us by about 400 ft. I think ATC was slow in giving the avoidance climb due to heavy controller workload. The captain was slow on the TCAS RA climb because he is always very concerned about giving the ceo a smooth ride. The other aircraft was in violation of class B airspace. There is no doubt in my mind that this would have been very close to a midair without TCAS. Thank god for TCAS.
Original NASA ASRS Text
Title: DA20 FIRST OFFICER REPORTS TCAS RA AT 3000 FEET 20 NM WEST OF TEB WITH UNKNOWN ACFT IN VIOLATION OF CLASS B AIRSPACE.
Narrative: WE WERE 20 MI W OF TETERBORO VOR FLYING DIRECT TO WAYNS FOR THE VOR DME A APCH TO TETERBORO AT AN ASSIGNED ALT OF 3000 FT. NEW YORK APCH ISSUED A TA TO US FOR TFC AT 11 O'CLOCK POS; SWBOUND. WE COULD NOT PICK UP THE TFC VISUALLY. ABOUT 30 SECONDS LATER APCH GAVE US A CLB TO 3500 FT. WE GOT A TCAS RA SHORTLY THEREAFTER TO CLB. THE CAPT STARTED THE CLB BUT WAS A LITTLE SLOW IN HIS PITCH UP. THE TFC PASSED UNDER US BY ABOUT 400 FT. I THINK ATC WAS SLOW IN GIVING THE AVOIDANCE CLB DUE TO HVY CTLR WORKLOAD. THE CAPT WAS SLOW ON THE TCAS RA CLB BECAUSE HE IS ALWAYS VERY CONCERNED ABOUT GIVING THE CEO A SMOOTH RIDE. THE OTHER ACFT WAS IN VIOLATION OF CLASS B AIRSPACE. THERE IS NO DOUBT IN MY MIND THAT THIS WOULD HAVE BEEN VERY CLOSE TO A MIDAIR WITHOUT TCAS. THANK GOD FOR TCAS.
Data retrieved from NASA's ASRS site as of January 2009 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.