# Accident 20090623017659A: Urbana UFM13LAMBADA, Boerne, TX, June 23, 2009

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 23, 2009, 12:30 local time
- Place: Boerne, TX
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 29.5336° N, 98.4697° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=29.5336&lon=-98.4697&mi=10
- Aircraft: N17UA, a cancelled registration (https://openairdocs.org/deregistered/N17UA-2013-04-22) (OpenAirDocs)
- Registry model: Urban Air Sro UFM-13 LAMBADA (registry code 060003D, https://openairdocs.org/model/urban-air-sro-ufm-13-lambada) (OpenAirDocs)
- Registry engine: Rotax 912ULS series (registry code 55572, https://openairdocs.org/engine/rotax-912uls-series) (OpenAirDocs)
- Reported make and model: URBANA UFM13LAMBADA
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot flight hours: 632 total, 10 in this make and model, 10 in the last 90 days
- NTSB investigation: [NTSB CEN09LA379](https://openairdocs.org/ntsb/CEN09LA379) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20090623017659A

## Narrative

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

(-23) PILOT WAS AT CRUSE AT 3000 FT AGL.  AIRCRAFT STARTED AN EXTREME VIOLENT VIBRATION.  LASTING APPROXIMATEY 2 TO 3 SECONDS, THEN HAD A HARD NOSE DOWN ATTITUDE.  PILOT DEPLOYED AND AIRCRAFT BALLISTIC PARACHUTE.  AIRCRAFT CAME DOWN NOSE FIRST WITH SUBSTANTIAL DAMAGE WITH NO INJURIES TO THE PILOT.  THE EXTREME VIBRATION WAS CAUSED BY THE APPARENT IN-FLIGHT FAILURE OF THE AIRCRAFT FUSELAGE TAIL BOOM, JUST FORWARD OF THE TAIL EMPENNAGE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN09LA379](https://openairdocs.org/ntsb/CEN09LA379), Jun 23, 2009: Urban Air Sro UFM-13 (N17UA), Bourne Stage, TX, substantial damage. Probable cause: The pilot’s exceedance of the aircraft’s placarded never-exceed speed (Vne), resulting in aerodynamic flutter in the empennage and the subsequent in-flight structural failure of the aft portion of…

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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