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Cl-300 flight crew reported encountering wake turbulence on approach to jfk in trail of a B747 that caused a deviation from initial approach altitude.
| Attributes | |
| ACN | 1180110 |
| Time | |
| Date | 201406 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | JFK.Airport |
| State Reference | NY |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | Challenger 300 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Approach |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 120 Flight Crew Total 13500 Flight Crew Type 3000 |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Multiengine Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 80 Flight Crew Total 3300 Flight Crew Type 60 |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
While on approach to runway 4R at jfk; aircraft encountered wake turbulence from heavy B747 and descended below assigned altitude of 2;000 ft while on autopilot. ILS was fully coupled on the localizer and was joining the glideslope. After occurrence and recovery; the aircraft was again fully stabilized prior to the final approach fix. Aircraft was recovered to assigned altitude without incident; incursion or impact to other aircraft.
Original NASA ASRS Text
Title: CL-300 flight crew reported encountering wake turbulence on approach to JFK in trail of a B747 that caused a deviation from initial approach altitude.
Narrative: While on approach to Runway 4R at JFK; aircraft encountered wake turbulence from heavy B747 and descended below assigned altitude of 2;000 FT while on autopilot. ILS was fully coupled on the localizer and was joining the glideslope. After occurrence and recovery; the aircraft was again fully stabilized prior to the final approach fix. Aircraft was recovered to assigned altitude without incident; incursion or impact to other aircraft.
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.