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Air crew initiated their own evasive action to avoid other aircraft at same altitude while at cruise in foreign airspace. ATC did not assist.
| Attributes | |
| ACN | 1335135 |
| Time | |
| Date | 201602 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | SBAZ.ARTCC |
| State Reference | FO |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 6980 Flight Crew Type 212 |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
[We were] south of povla intersection; in radio and radar contact with amazonica control; noticed traffic ahead approximately 40 miles climbing to or thru our altitude of FL380. The aircraft leveled at our altitude of FL380. Queries to amazonica control went unanswered. I initiated a turn to the right and the monitoring pilot broadcast our intentions on the VHF assigned frequency. The other aircraft had realized the situation and queried amazonica control with no response and also initiated a turn off course. We passed well clear of the each other and rejoined the airway.no TCAS traffic alert or resolution advisory were received. Further radio transmissions between amazonica and the other aircraft seemed to indicate that they had accepted a clearance meant for another flight [with similar call sign]. Flight continued uneventfully to our destination.
Original NASA ASRS Text
Title: Air crew initiated their own evasive action to avoid other aircraft at same altitude while at cruise in foreign airspace. ATC did not assist.
Narrative: [We were] south of POVLA intersection; in radio and radar contact with Amazonica control; Noticed traffic ahead approximately 40 miles climbing to or thru our altitude of FL380. The aircraft leveled at our altitude of FL380. Queries to Amazonica control went unanswered. I initiated a turn to the right and the monitoring pilot broadcast our intentions on the VHF assigned frequency. The other aircraft had realized the situation and queried Amazonica control with no response and also initiated a turn off course. We passed well clear of the each other and rejoined the airway.No TCAS Traffic Alert or Resolution Advisory were received. Further radio transmissions between Amazonica and the other aircraft seemed to indicate that they had accepted a clearance meant for another flight [with similar call sign]. Flight continued uneventfully to our destination.
Data retrieved from NASA's ASRS site 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.