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South pacific, oceanic flight on flex route, obtained clearance to deviate for WX. Became necessary to deviate more and unable to maintain radio contact with controller. Concern for traffic conflict.
| Attributes | |
| ACN | 325187 |
| Time | |
| Date | 199601 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : nfff |
| State Reference | FO |
| Altitude | msl bound lower : 35000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Route In Use | enroute : other oceanic enroute : pacific enroute airway : nfff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 12000 flight time type : 1500 |
| ASRS Report | 325187 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe inflight encounter : weather other anomaly other other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
After obtaining clearance for deviation for WX while on a flex route in the south pacific, we realized that we had to deviate more. We continued avoiding the WX and tried to reach nadi on HF. The radio became unusable due to WX but we tried consistently to contact nadi as we continued the deviation. We took all precautionary measures such as broadcasting our position on air to air frequencys, turning on lights, etc. We were in clear air and the moon was out so visibility was not a factor. What would be nice is that when obtaining a deviation for WX, if other known traffic in the area could be pointed out, then if the clearance was exceeded, contact could be made to that traffic. WX and HF radios are constantly changing and not reliable.
Original NASA ASRS Text
Title: SOUTH PACIFIC, OCEANIC FLT ON FLEX RTE, OBTAINED CLRNC TO DEVIATE FOR WX. BECAME NECESSARY TO DEVIATE MORE AND UNABLE TO MAINTAIN RADIO CONTACT WITH CTLR. CONCERN FOR TFC CONFLICT.
Narrative: AFTER OBTAINING CLRNC FOR DEV FOR WX WHILE ON A FLEX RTE IN THE SOUTH PACIFIC, WE REALIZED THAT WE HAD TO DEVIATE MORE. WE CONTINUED AVOIDING THE WX AND TRIED TO REACH NADI ON HF. THE RADIO BECAME UNUSABLE DUE TO WX BUT WE TRIED CONSISTENTLY TO CONTACT NADI AS WE CONTINUED THE DEV. WE TOOK ALL PRECAUTIONARY MEASURES SUCH AS BROADCASTING OUR POS ON AIR TO AIR FREQS, TURNING ON LIGHTS, ETC. WE WERE IN CLR AIR AND THE MOON WAS OUT SO VISIBILITY WAS NOT A FACTOR. WHAT WOULD BE NICE IS THAT WHEN OBTAINING A DEV FOR WX, IF OTHER KNOWN TFC IN THE AREA COULD BE POINTED OUT, THEN IF THE CLRNC WAS EXCEEDED, CONTACT COULD BE MADE TO THAT TFC. WX AND HF RADIOS ARE CONSTANTLY CHANGING AND NOT RELIABLE.
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.