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Forum: Spectators Balcony (Spotters Corner)

23rd Sep 2017, 19:58

Replies: 16

787 take-off performance

Views: 3,165

Posted By DaveReidUK

That's to be expected - an aircraft in VIP...

That's to be expected - an aircraft in VIP configuration will typically be a lot lighter than the same aircraft full of pax or cargo, and consequently a fair bit quieter.

The ICAO certificated...

Forum: Spectators Balcony (Spotters Corner)

23rd Sep 2017, 06:38

Replies: 16

787 take-off performance

Views: 3,165

Posted By DaveReidUK

The OP simply pointed out, quite correctly, that...

The OP simply pointed out, quite correctly, that the 747 is considerably noisier than the A380 or 787. Do you dispute that ?

Forum: Spectators Balcony (Spotters Corner)

21st Sep 2017, 21:26

Replies: 16

787 take-off performance

Views: 3,165

Posted By DaveReidUK

Like many things in aviation, it's a trade-off. ...

Like many things in aviation, it's a trade-off.

De-rated takeoffs = reduced engine maintenance costs.

Forum: Spectators Balcony (Spotters Corner)

21st Sep 2017, 12:30

Replies: 16

787 take-off performance

Views: 3,165

Posted By DaveReidUK

I'd suggest that what you are seeing is aircraft...

I'd suggest that what you are seeing is aircraft using a de-rated (i.e. not full power) take-off.

Gatwick (like Heathrow) operates a "1,000 feet rule", meaning that aircraft must be at that height...

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