US Navy to study MH-53E engine fire risk
The US Navy plans to award Sikorsky a contract to study ways to ‘reduce or eliminate’ the risk of engine-fires on its MH-53E Sea Dragon Helicopters.
The US Naval Air Systems Command (NAVAIR) has announced plans to commission a trade-study from Sikorsky to mitigate a known cause of engine fires on the MH-53E and CH-53E platforms.
According to NAVAIR, both the MH-53E and CH-53E airframes are at risk of inflight fires and heat damage in their number-two engine compartments, as a result of ‘engine exhaust backflow ingestion’.
‘It's important to note that the issue is not with the engine. Number-two
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