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ZSE ARTCC controller reported an aircraft encountered downdrafts which pushed the aircraft below the minimum IFR altitudes on the airway.
| Attributes | |
| ACN | 1343351 |
| Time | |
| Date | 201603 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZSE.ARTCC |
| State Reference | WA |
| Aircraft 1 | |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Airway V25 |
| Flight Plan | IFR |
| Person 1 | |
| Function | Enroute |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 23 |
| Events | |
| Anomaly | Inflight Event / Encounter CFTT / CFIT Inflight Event / Encounter Weather / Turbulence |
Narrative:
Aircraft X on V25 descended below the MEA and minimum IFR altitude due to the downdrafts. At the lowest the aircraft descended to 7200 MSL. The aircraft turned around and headed towards lower terrain. Eventually the pilot cancelled IFR and continued on to his destination.
Original NASA ASRS Text
Title: ZSE ARTCC Controller reported an aircraft encountered downdrafts which pushed the aircraft below the Minimum IFR Altitudes on the airway.
Narrative: Aircraft X on V25 descended below the MEA and Minimum IFR Altitude due to the downdrafts. At the lowest the aircraft descended to 7200 MSL. The aircraft turned around and headed towards lower terrain. Eventually the pilot cancelled IFR and continued on to his 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.