ASN Wikibase Occurrence # 214043
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| Date: | Saturday 4 August 2018 |
| Time: | 11:10 |
| Type: |  Steen Aero Lab Skybolt |
| Owner/operator: | Private |
| Registration: | D-EHHH |
| MSN: | 1729 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Frătăuții Vechi airfield -
 Romania
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Frătăuții Vechi airfield |
| Frătăuții Vechi airfield | |
| Investigating agency: | CIAS |
| Confidence Rating: |  Accident investigation report completed and information captured |
The two aircraft took-off in formation around 11:00 and flew for almost 15 minutes till the accident occurred.
The two pilots intended to perform flight in formation. During this flight, it was also scheduled to perform a mirror flight, a configuration that involves positioning the aircraft on top of each other in horizontal flight, vertically separated, and the aircraft on top being in inverted flight.
During the flight, this configuration was rehearsed twice without incident. During the third evolution, after almost 20 seconds of flight in this configuration, the aircraft on top position (N5769) inclined, collided with the right-wing by the left wing of the aircraft in bottom position (D-EHHH).
The collision between the two aircraft led to the impossibility of controlling them, remaining hooked up to a height of almost 10-15 m, where the separation occurred.
The two aircraft made violent contact with the ground at a distance of almost 300 meters to the side of the airfield runway.
Determining cause:
The collision of the two aircraft during the evolution in aerobatic flight (”mirror flight” configuration).
Contributing factors:
- The reduction of the flop tube section, which led to:
= the significant reduction of fuel flow to the engine,
= the engine loss of power,
= the flight speed decreases up to a value that was close to the stalling speed
- The position in which N-5769 aircraft was performing (inverted flight)
- Small vertical separation of aircrafts, also without lateral or longitudinal separation during the mirror flight
Accident investigation:
 |
|
Sources:
https://www.cotidianul.ro/accident-intre-doua-avioane/
https://www.libertatea.ro/ultima-ora/fotovideo-primele-imagini-de-la-locul-accidentului-aviatic-din-fratautii-vechi-suceava-2351719/gallery/2351710?pid=2351719
__________________
https://www.jetphotos.com/photo/8978518
https://www.airplane-pictures.net/photo/1078255/d-ehhh-private-steen-aero-lab-skybolt/
Media:
Unul din piloți a murit, iar cel de-al doilea se află în stare foarte gravă. https://t.co/0Z2VCJ7U4u https://t.co/0Z2VCJ7U4u
— Libertatea Online (@libertatea) 4 août 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Aug-2018 10:23 | gerard57 | Added |
| 04-Aug-2018 10:55 | harro | Updated [Aircraft type, Registration, Source, Narrative] |
| 04-Aug-2018 11:57 | Iceman 29 | Updated [Source, Embed code, Narrative] |
| 04-Aug-2018 12:09 | Iceman 29 | Updated [Cn, Source, Embed code] |
| 18-May-2022 18:47 | harro | Updated [Time, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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