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DA40 instructor reported wind shift on final that caused his student to touch down on the blast pad before the runway threshold.
| Attributes | |
| ACN | 1693800 |
| Time | |
| Date | 201910 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | MHR.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | DA40 Diamond Star |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Route In Use | None |
| Flight Plan | None |
| Person 1 | |
| Function | Instructor Pilot Not Flying |
| Qualification | Flight Crew Commercial Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor |
| Experience | Flight Crew Last 90 Days 112 Flight Crew Total 800 |
| Events | |
| Anomaly | Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Ground Event / Encounter Loss Of Aircraft Control Ground Incursion Runway |
Narrative:
It was a training flight returning from a cross-country trip. Neither the taf nor metar indicated gust during our preflight briefing. I; the instructor pilot; asked the student to practice a short field landing on runway xxr; more specifically the desired touchdown point was the numbers 'xx' and the letter 'right'. In selecting such a landing spot the aiming spot must be a point before the desired landing area; in this case the blast pad prior to the runway threshold. The student was on final at the appropriate airspeed and glide path was stable; aiming point was also appropriate; power reduction was proper. We transitioned into ground effect and suddenly I noticed the aircraft begin to rapidly lose altitude; speed also decreased. I called for a go-around and I ensured maximum power by pushing the throttle along with the student and controlling pitch to prevent increase drag; knowing that any further loss in altitude and speed would cause us to land on the blast pad. As the go-around procedure was initiated the thrust was not enough to overcome the drag and the aircraft's main gear made contact with the blast pad. During the go-around the tower announced winds at 160 at 5 kts. Gusting to 10. The sudden loss of headwind could be a factor in this unintentional situation. Corrective actions would be to call for a wind check on final when becoming established in a traffic pattern; adding half gust factor to approach speed; as well as no longer selecting the numbers as practice.
Original NASA ASRS Text
Title: DA40 Instructor reported wind shift on final that caused his student to touch down on the blast pad before the runway threshold.
Narrative: It was a training flight returning from a cross-country trip. Neither the TAF nor METAR indicated gust during our preflight briefing. I; the instructor pilot; asked the student to practice a short field landing on Runway XXR; more specifically the desired touchdown point was the numbers 'XX' and the letter 'R'. In selecting such a landing spot the aiming spot must be a point before the desired landing area; in this case the blast pad prior to the runway threshold. The student was on final at the appropriate airspeed and glide path was stable; aiming point was also appropriate; power reduction was proper. We transitioned into ground effect and suddenly I noticed the aircraft begin to rapidly lose altitude; speed also decreased. I called for a go-around and I ensured maximum power by pushing the throttle along with the student and controlling pitch to prevent increase drag; knowing that any further loss in altitude and speed would cause us to land on the blast pad. As the go-around procedure was initiated the thrust was not enough to overcome the drag and the aircraft's main gear made contact with the blast pad. During the go-around the tower announced winds at 160 at 5 kts. gusting to 10. The sudden loss of headwind could be a factor in this unintentional situation. Corrective actions would be to call for a wind check on final when becoming established in a traffic pattern; adding half gust factor to approach speed; as well as no longer selecting the numbers as practice.
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.