# Incident 20250912017969I: Tomark Aero Cz Sro VIPER SD-4, Creve Coeur, MO, September 12, 2025

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: September 12, 2025, 09:04 local time
- Place: Creve Coeur, MO
- Airport: Creve Coeur
- Damage: Minor damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 38.7273° N, 90.5084° W: Placed by OpenAirDocs at CREVE COEUR (1H0), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7273&lon=-90.5084&mi=10
- Aircraft: N447EA, registered now (https://openairdocs.org/aircraft/N447EA) (OpenAirDocs)
- Registry model: Tomark Aero CZ Sro VIPER SD-4 (registry code 060007X, https://openairdocs.org/model/tomark-aero-cz-sro-viper-sd-4) (OpenAirDocs)
- Registry engine: Rotax 912ULS2 (registry code 55599, https://openairdocs.org/engine/rotax-912uls2) (OpenAirDocs)
- Reported make and model: TOMARK AERO CZ SRO VIPER SD-4
- Reported engine: ROTAX 912ULS2
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Student
- Pilot flight hours: 60 total, 8 in this make and model, 11 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20250912017969I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

A STUDENT PILOT, ON SOLO FLIGHT, WAS PRACTICING TAKE OFF AND LANDINGS. DURING THE FLARE TO LAND, THE AIRCRAFT BEGAN TO PORPOISE RESULTING IN A HARD LANDING. THE AIRCRAFT NOSE WHEEL STRUCK THE GROUND & SHEERED OFF, CAUSING THE PROP TO STRIKE THE SURFACE. THE AIRCRAFT CAME TO REST.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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