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Air carrier on oceanic track lost communication with ATC as did some other aircraft. Did not receive track clearance. Continued on with flight planned clearance.
| Attributes | |
| ACN | 235849 |
| Time | |
| Date | 199303 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : jfk |
| State Reference | NY |
| Altitude | msl bound lower : 35000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 3 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Route In Use | enroute : atlantic enroute : other oceanic |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Route In Use | enroute : atlantic enroute : other oceanic |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 140 flight time total : 18000 flight time type : 2100 |
| ASRS Report | 235849 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 180 flight time total : 8000 flight time type : 100 |
| ASRS Report | 236159 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : unable other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Navigational Facility |
| Air Traffic Incident | other |
| Situations | |
| ATC Facility | other physical facility |
| Navigational Aid | Unspecified |
Narrative:
Air carrier X was 90 NM west of poggo at FL350. ZNY was extremely busy with numerous aircraft on 132.15. ZNY center called for our track clearance. An air carrier Y flight broke in with a request for us to pass a message to ZNY center. We were unable to hear ZNY center at that time. We didn't receive our track clearance and we were unable to have ZNY center repeat the clearance. We lost ZNY center on 132.15 shortly after this. We tried several other center frequencys and we were unable to raise the center. We contacted ZNY arinc on 129.9 and HF 5598 and requested our track clearance, both instructed us to stand by. We continued on with our flight plan and full clearance as delivered to us by atl clearance delivery, in VFR conditions. We gave our position report over poggo to ny arinc and gander arinc. We advised both parties that we hadn't received our nat west clearance. We crossed poggo at XX51Z and received our nat west clearance from new york arinc at XY20Z. Several other aircraft had problems receiving their clrncs due to radio saturation or failure on ZNY center. ZNY center either waited too late to start reading clrncs or had a problem with their UHF radio reception or transmitter as to range. We normally enter the ocean tracks farther north and use different procedures to obtain our track clrncs. Supplemental information from acn 236159: apparently, ZNY center 132.15 was having problems either too many aircraft or transmitter problems.
Original NASA ASRS Text
Title: ACR ON OCEANIC TRACK LOST COM WITH ATC AS DID SOME OTHER ACFT. DID NOT RECEIVE TRACK CLRNC. CONTINUED ON WITH FLT PLANNED CLRNC.
Narrative: ACR X WAS 90 NM W OF POGGO AT FL350. ZNY WAS EXTREMELY BUSY WITH NUMEROUS ACFT ON 132.15. ZNY CTR CALLED FOR OUR TRACK CLRNC. AN ACR Y FLT BROKE IN WITH A REQUEST FOR US TO PASS A MESSAGE TO ZNY CTR. WE WERE UNABLE TO HEAR ZNY CTR AT THAT TIME. WE DIDN'T RECEIVE OUR TRACK CLRNC AND WE WERE UNABLE TO HAVE ZNY CTR REPEAT THE CLRNC. WE LOST ZNY CTR ON 132.15 SHORTLY AFTER THIS. WE TRIED SEVERAL OTHER CTR FREQS AND WE WERE UNABLE TO RAISE THE CTR. WE CONTACTED ZNY ARINC ON 129.9 AND HF 5598 AND REQUESTED OUR TRACK CLRNC, BOTH INSTRUCTED US TO STAND BY. WE CONTINUED ON WITH OUR FLT PLAN AND FULL CLRNC AS DELIVERED TO US BY ATL CLRNC DELIVERY, IN VFR CONDITIONS. WE GAVE OUR POS RPT OVER POGGO TO NY ARINC AND GANDER ARINC. WE ADVISED BOTH PARTIES THAT WE HADN'T RECEIVED OUR NAT W CLRNC. WE CROSSED POGGO AT XX51Z AND RECEIVED OUR NAT W CLRNC FROM NEW YORK ARINC AT XY20Z. SEVERAL OTHER ACFT HAD PROBS RECEIVING THEIR CLRNCS DUE TO RADIO SATURATION OR FAILURE ON ZNY CTR. ZNY CTR EITHER WAITED TOO LATE TO START READING CLRNCS OR HAD A PROB WITH THEIR UHF RADIO RECEPTION OR XMITTER AS TO RANGE. WE NORMALLY ENTER THE OCEAN TRACKS FARTHER N AND USE DIFFERENT PROCS TO OBTAIN OUR TRACK CLRNCS. SUPPLEMENTAL INFO FROM ACN 236159: APPARENTLY, ZNY CTR 132.15 WAS HAVING PROBS EITHER TOO MANY ACFT OR XMITTER PROBS.
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.