I occasionally see such a thing on final approach to Northolt.

Its very noisy and looks vaguely military.

Anybody know what it is and what its purpose is (other than to annoy me)?

  • $\begingroup$ You might want to say exactly where Northolt is, I guess you're talking about the RAF base? And do you have any pictures of the plane, or can you find one online that's similar? Any markings you can see would be interesting too. That would help people to narrow it down. $\endgroup$ – Pondlife Jan 3 '15 at 17:06
  • $\begingroup$ Possibly Piaggio Avanti? google.co.uk/search?q=piaggio+avanti+northolt $\endgroup$ – Simon Jan 3 '15 at 17:41
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    $\begingroup$ Do you have a picture of it? There's an entire list on wikipedia. $\endgroup$ – ratchet freak Jan 3 '15 at 18:01
  • $\begingroup$ No pictures - I do not posses a camera. I did check a few internet resources before posting and Wiki was one of them. The thing I've seen a few times and heard on a couple of other occasions (I try to avoid looking at it cos it weirds me out) doesn't look like a Piaggio: Its lines are straighter than the Piaggio and it looks bigger than it does in the photos I've seen. Its a dull grey colour which suggests military to me. It also lacks side windows. The rasping noise it makes does however fit the Piaggio suggestion. $\endgroup$ – user5712 Jan 3 '15 at 21:50
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    $\begingroup$ For sure there are several Piaggio Avanti's, both civil and state owned, operating into Northolt (EGWU) regularly. But if you are sure it is not a Piaggio what you saw, all that remains is guesswork. I vote to close because it is unclear what you are asking for. $\endgroup$ – DeltaLima Jan 3 '15 at 22:10

Sounds like a Piaggio Avanti - it's the only common twin pusher, and it's known for its "buzzsaw" sound.

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