ASN Wikibase Occurrence # 200346
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| Date: | Sunday 8 June 2014 |
| Time: | 13:00 |
| Type: | Moragon M1 |
| Owner/operator: | Aeroclub La Morgal |
| Registration: | EC-EI3 |
| MSN: | M-1-04-022 |
| Year of manufacture: | 2005 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | S of Gijón -
 Spain
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | La Morgal aerodrome |
| La Morgal aerodrome | |
| Investigating agency: | CIAIAC |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a local flight from the La Morgal aerodrome with an estimated duration of 45 minutes and while flying south of Gij6n, the engine stopped suddenly while returning to the airfield.
The pilot maintained the ideal glide speed, looked for and selected a field on an uphill gradient in a southwesterly direction for an emergency landing and then unsuccessfully attempted to restart the engine three times.
The left wing of the ultralight impacted a small tree on the edge of the chosen field, causing the aircraft to turn more than 180° left and travel some 30 meters sideways exceeding the original, and then rotating over 180° past the original approach heading.
The impact damaged the aircraft's left wing, tore off the right horizontal stabilizer and partially severed the fuselage aft of the cockpit. Neither the pilot nor the passenger suffered any injuries.
The engine failed due to the fracture of a 22-tooth gear attached to the crankshaft and flywheel at the rear of the engine, and which engages with the camshaft, ignition distributor, and magnetic flywheel.
The following factors contributed to the accident:
• The faulty and deficient implementation of Jabiru Service Bulletin, JSB 012-2,
• Reusing the 22·tooth gear during this modification,
• Using a propeller different from that specified on the Type Certificate of Airworthiness and that, moreover, was not approved by the engine
manufacturer for use on the ultralight.
• The likely weakening of the collapsed component due to mechanical stress during its time in operat ion,
Accident investigation:
 |
|
Sources:
https://www.fomento.es/NR/rdonlyres/2D42D662-BCFA-4D52-8E88-634BB698DB87/141151/ULM2014_010_A_ENG.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Oct-2017 16:21 | harro | Added |
| 23-Sep-2020 17:24 | harro | Updated [Source, Accident report, ] |
Corrections or additions? ... Edit this accident description
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