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A DA10 captain flying the teb ruudy two RNAV reported that the FMS turned his aircraft direct to the coate waypoint after ruudy because the FMS design sequences it directly to the next waypoint after passing the last waypoint prior to a vector. A track deviation resulted.
| Attributes | |
| ACN | 869930 |
| Time | |
| Date | 201001 |
| Place | |
| Locale Reference | TEB.Airport |
| State Reference | NJ |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Falcon 10/100 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Climb |
| Route In Use | SID RUUDY2 |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | FMS/FMC |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 70 Flight Crew Total 6700 Flight Crew Type 1500 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
Flying the ruudy 2 departure from teb; on board GPS KLN90B was programmed to fly the departure and then the filed/cleared flight plan to coate. After passing ruudy; heading change to approx 300 degrees to fly directly to coate. A short time after; departure inquired on heading being flown; and we were turned to a heading of 270 degrees. Moments later; we were assigned and flew direct to coate. This unit does not insert a discontinuity in the case of an over-fly waypoint; so it auto-sequenced to the next fix in our flight plan. In the future; I will be more vigilant to this fact when flying with this GPS unit. Also; a more thorough review of the SID will make note of these type of waypoints (ie; overfly).
Original NASA ASRS Text
Title: A DA10 Captain flying the TEB RUUDY TWO RNAV reported that the FMS turned his aircraft direct to the COATE WAYPOINT after RUUDY because the FMS design sequences it directly to the next waypoint after passing the last waypoint prior to a vector. A track deviation resulted.
Narrative: Flying the RUUDY 2 Departure from TEB; On board GPS KLN90B was programmed to fly the departure and then the filed/cleared flight plan to COATE. After passing RUUDY; heading change to approx 300 degrees to fly directly to COATE. A short time after; departure inquired on heading being flown; and we were turned to a heading of 270 degrees. Moments later; we were assigned and flew direct to COATE. This unit does not insert a discontinuity in the case of an over-fly waypoint; so it auto-sequenced to the next fix in our flight plan. In the future; I will be more vigilant to this fact when flying with this GPS unit. Also; a more thorough review of the SID will make note of these type of waypoints (ie; overfly).
Data retrieved from NASA's ASRS site as of April 2012 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.