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"reduction in boom by about a third" - Could we have more detail ? How did the reduction vary by flight altitude, velocity etc - Rod57 ( talk) 12:25, 21 October 2022 (UTC)
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"reduction in boom by about a third" - Could we have more detail ? How did the reduction vary by flight altitude, velocity etc - Rod57 ( talk) 12:25, 21 October 2022 (UTC)