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| Title: | Smell of burning plastic, Incident involving aircraft SE-KUT in the airspace above Umeå, AC County, Sweden, on the 6th of March 2001 |
| Micro summary: | A Saab 340 crew experiences a smell of burning plastic, prompting a diversion. |
| Event Time: | 2001-03-06 at 0625 UTC |
| File Name: | 2001-03-06-SE.pdf |
| Publishing Agency: | Swedish Accident Investigation Board (AIB) |
| Publishing Country: | Sweden |
| Report number: | RL 2002:05e |
| Pages: | 13 |
| Diversion Airport: | Alvik Airport, Umeå, Sweden |
| Site of event: | Airspace above Umeå, AC County, Sweden |
| Latitude/Longitude: | 6411N 02111E |
| Departure: | Sundsvall/ Härnösand Airport, Sweden |
| Destination: | Alvik Airport, Umeå, Sweden |
| Airplane Type(s): | Saab SF340A |
| Flight Phase: | Cruise |
| Registration(s): | SE-KUT |
| Operator(s): | Skyways Express |
| Type of flight: | Revenue |
| Occupants: | 18 |
| Fatalities: | 0 |
| Serious Injuries: | 0 |
| Minor/Non-Injured: | 18 |
| Other Injuries: | 0 |
| Diverted to: | Alvik Airport, Umeå, Sweden |
| Executive Summary: | The aircraft flew Skyways Express AB’s scheduled route between Sundsvall/ Härnösand airport and Luleå/Kallax airport with the commander as the flying pilot. Just after the aircraft had reached the maintaining flightlevel, the pilots noticed a strong odor reminiscent of burned plastic but they did not observe any smoke. Both pilots donned their oxygen masks and informed Air Traffic Control that they had ”smoke in the cabin” and that they were requesting a descent and landing at the nearest airport as soon as possible. The air traffic controller provided them with radar vectors to a straight-in approach to runway 14 at Umeå airport. When they had left their cruising altitude the co-pilot initiated procedures in accordance with the emergency checklist but he found it irrelevant and difficult to follow. During the flight there were no indications of fire or smoke. The commander removed his oxygen mask when there were a few minutes of the flight remaining in order to easier facilitate a brief information to the passengers over the passenger address system (PA). SHK establish in the investigation that a control unit, called (FPCDU1), was afflicted with type-related fault which could cause the odor of a fire and that the manufacturer measures have been taken in order to overcome the problem. The incident was caused by overheated electronics in the control unit FPCDU. |
| Learning Keywords: | Operations - Cabin or Cockpit Smoke |
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