They are complaining about the noise level of the existing E-3, which is based on the old Boeing 707 with old noisy low bypass turbofans. The new plane E-7 is b

They are complaining about the noise level of the existing E-3, which is based on the old Boeing 707 with old noisy low bypass turbofans. The new plane E-7 is based on a contemporary 737 so no more noisy than a regular commercial jetliner.