Pilots of the Taiwanese airline TransAsia have been suspended after failing or missing safety tests with the airline, a week after the fatal crash in Taiwan.

According to Reuters, Taiwan's aviation regulator said 10 of TransAsia's 49 pilots had failed oral proficiency tests on handling the aircraft during an engine failure. An additional 19 pilots did not take the test due to sickness or because they were out of the country.

"The result is not acceptable for us," TransAsia chief executive Peter Chen told a news conference. "We will definitely strengthen their training."

According to an anonymous pilot, the people who did not pass the test will receive one month of suspension.

"They will be given another month for preparation. If they fail again, they will be fired," the pilot explained.

The Civil Aviation Authority ordered the pilots to take the test after TransAsia flight GE235 crashed into the Keelung River in Taipei and killed 42 people. A passing vehicle's dash-cam video showed the plane flying dangerously close to buildings, crashing into an elevated road and clipping a car with its wings. The plane then flew upside down into the shallow water of the Keelung River.

The crash happened shortly after takeoff last Wednesday. Data shows the plane lost power in one engine after taking off from Taipei's Songshan airport. The crew then shut the power off in the working engine, according to Taiwan's Aviation Safety Council (ASC). The crew then attempted to restart the engine shortly before the crash.

Officials in Taiwan say the evidence indicates the pilots turned off the wrong engine. Both pilots were killed in the crash. TransAsia has canceled at least 142 flights in response to the accident.

This was the second TransAsia crash in seven months and the fifth since 1995.

Recovery of the passengers still continues. On Wednesday two bodies were found in the river. One person is still missing after the crash.

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