ASN Wikibase Occurrence # 348846
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| Date: | Thursday 22 December 2022 |
| Time: | |
| Type: |  Beechcraft B200GT King Air 250 |
| Owner/operator: | Myflug Air |
| Registration: | TF-MYB |
| MSN: | BY-291 |
| Year of manufacture: | 2017 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | near Westfjords -
 Iceland
|
| Phase: | En route |
| Nature: | |
| Departure airport: | Ísafjördur Airport (IFJ/BIIS) |
| Akureyri Airport (AEY/BIAR) | |
| Investigating agency: | RNSA |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Beech King Air 250, TF-MYB, was close to the Westfjords in Iceland, enroute to Ísafjordur (BIIS) from Akureyri (BIAR), when the right engine shut down, due to loss of all fuel from the right-wing tanks during the flight.
The aircraft returned to BIAR with one engine operative.
After landing it was discovered that the right nacelle firewall fuel filter drain, on the lower side of the cowling forward of the firewall, had failed and was missing its core part. As a result, the right-wing fuel tank drained completely, and the right engine shut down due to fuel starvation.
SIA-Iceland believes that water accumulated in the fuel system, at its lowest point at the Firewall Fuel Filter Drain, as the flight operator was only draining these two drains at two-week intervals instead of during daily preflight inspection.
This allowed accumulated water at the fuel filter drain to freeze, slowly migrating out the core part of the Firewall Fuel Filter Drain.
As a result, the core part of the Firewall Fuel Filter Drain on the right nacelle migrated completely out, allowing the fuel in the right wing to drain out of the aircraft during the serious incident flight
Accident investigation:
 |
|
Sources:
https://www.rnsa.is/media/5150/lokad-med-bokun-tf-myb.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Dec-2023 09:00 | harro | Added |
| 15-Dec-2023 09:00 | harro | Updated [Other fatalities, Damage] |
Corrections or additions? ... Edit this accident description
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