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HS125-800XP first officer reported encountering wake turbulence at FL400 from same direction/same altitude aircraft 12-17 miles ahead.
| Attributes | |
| ACN | 1278776 |
| Time | |
| Date | 201507 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | GSO.Airport |
| State Reference | NC |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | BAe 125 Series 800 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Climb |
| Route In Use | Direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 35 Flight Crew Total 4500 Flight Crew Type 600 |
| Events | |
| Anomaly | Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
Wake turbulence suspected: we were aware of the other aircraft by ATC & TCAS. Other aircraft was level at FL400 same direction approximately 12-17 miles ahead. Turbulence was bordering on moderate. No vertical acceleration was noticed.aircraft change in attitude: pitch: 3deg down roll: 15-20deg yaw: no significant changes. There was buffeting. No stick shaker. Autopilot was engaged but self-disconnected. No auto throttles were engaged
Original NASA ASRS Text
Title: HS125-800XP FO reported encountering wake turbulence at FL400 from same direction/same altitude aircraft 12-17 miles ahead.
Narrative: Wake Turbulence suspected: We were aware of the other aircraft by ATC & TCAS. Other aircraft was level at FL400 same direction approximately 12-17 miles ahead. Turbulence was bordering on moderate. No vertical acceleration was noticed.Aircraft change in attitude: Pitch: 3deg down Roll: 15-20deg Yaw: No significant changes. There was buffeting. No stick shaker. Autopilot was engaged but self-disconnected. No auto throttles were engaged
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.