ASN Wikibase Occurrence # 224766
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| Date: | Saturday 4 May 2019 |
| Time: | 13:10 |
| Type: |  Sportinė Aviacija LAK-17AT |
| Owner/operator: | Private |
| Registration: | SE-UUL |
| MSN: | 138 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Borås, Västra Götaland County -
 Sweden
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Borås-Viared Airport (ESGE) |
| Borås-Viared Airport (ESGE) | |
| Investigating agency: | SHK |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
The pilot was engaged in a general flight training flight from Borås Airport. He was 8 km from the airport when the thermals became weaker and the sink rate increased. He therefore selected an out-landing field.
The glider is equipped with a small engine that can be used to climb and thereby avoid an out-landing, provided it can be started. The engine is started by wind milling at 120–140 km/h. The pilot attempted to start the engine during the turn onto base and continued the efforts until turn onto final, but the engine failed to start. At this time the pilot became aware that the out-landing field could not be reached and decided to land northbound on the main highway below.
The engine stayed extended until landing. This was identified by the pilot only after landing. He realized that the reason for the engine not being retracted was that he had turned off the main switch for the engine unit instead of the switch for retracting the engine.
During touch-down, the glider touched two cars, one traveling in the same direction as the glider and the other one in the opposite direction. The pilot landed on the righthand lane and yawed off the highway colliding with two signposts.
SHK has chosen not to investigate the reason for the failed engine start due to the fact that it is quite common for start attempts to fail with this type of engine. A pilot can therefore not expect the engine to start. The purpose of the engine is also not to prevent out-landings from a safety point of view. The late attempt to start the engine, that was initiated at a distance from the planned field and at a low altitude, and the fact that the engine remained extended after an unsuccessful start attempt led to a steeper descent than planned. This made it impossible for the pilot to reach the planned emergency landing field.
Accident investigation:
 |
|
Sources:
https://www.expressen.se/gt/fritidsflygplan-landade-pa-vagen-/?
Images:
Photo: SHK
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-May-2019 12:15 | noa | Added |
| 05-May-2019 13:26 | RobertMB | Updated [Time, Aircraft type, Phase, Source, Narrative] |
| 05-May-2019 13:37 | RobertMB | Updated [Aircraft type] |
| 05-May-2019 14:29 | Geno | Updated [Location, Phase, Departure airport, Destination airport] |
| 02-Nov-2019 13:46 | harro | Updated [Time, Narrative, Photo, Accident report, ] |
| 02-Nov-2019 13:50 | harro | Updated [Narrative] |
Corrections or additions? ... Edit this accident description
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