tirsdag 3. januar 2023

Farlig og veldig kostbar flygerfeil - Honolulu havariet og The Kegworth Disaster


Begge ulykkene skjedde fordi flygerne tok feil av motorer hvor den ene hadde alvorlig feil, mens den andre gikk normalt. NTSB fant at Honolulu flygingen skyldtes akkurat det. Det samme med en British Midland B737-400 for mange år siden. Cockpit displayene er dog forskjellig i disse to B737 variantene. 

Transair Flight 810, a Boeing 737-200 converted freighter aircraft on a short cargo flight en route from Honolulu International Airport to Kahului Airport on the neighboring Hawaiian island of Maui, experienced mechanical difficulties and crashed shortly after takeoff in the early morning of July 2, 2021.

The twin-engined plane was owned and operated by Rhoades Aviation under the Transair trade name, and had a crew of two. Both Pratt & Whitney JT8D turbofans faltered shortly after takeoff. Unable to maintain altitude, the pilots ditched off the coast of Oahu about 11 minutes into the flight.

The pair were rescued about an hour after the crash in a coordinated inter-agency response involving multiple aircraft and boats. Both were hospitalized for serious injuries and later released. The wreckage was located the following week at depths up to 420 feet (130 m) 2 miles (3 km) off Ewa Beach.

The Federal Aviation Administration and National Transportation Safety Board immediately began investigating. Transair voluntarily withdrew its four remaining 737s from service for a week-long internal review. Transair resumed flying their one operational 737-200 a week later, but had to cease 737 operations a week after that due to deficiencies identified by the FAA prior to the ditching.

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