28 March 2016

A stretch of the A350-1000 is possible without major changes

Airbus is showing a select group of airlines a stretched version of the A350-1000.


The idea is to get enough feedback from potential customers so that a decision to go ahead or not can be made during the summer.


What has changed now it that the A350-1000 is taking form on the Airbus Toulouse Final Assembly Line (FAL) and Airbus can now see that the A350-1000 will hit its performance and weight numbers.

Source: A380_TLS_A350

Airbus also has a lot of learning from the A350-900 which makes it confident that an A350-1000 stretch can be made with rather small changes.


The A350-1000 is very close in capacity to the Boeing 777-300ER, yet is considerable lighter; it is made with more modern construction techniques, it is equipped with a more modern engine and it has only 4 door pairs.

Source: Grupo Joly

This gives the A350-1000 a distinctive performance advantage.


Staying with 4 door pairs, the total length of the aircraft can only be stretched with around 4m before the distance between exit doors go beyond the allowed 60 feet.


As no additional safety exits will be necessary, such an extension will increase the aircraft’s capacity to around 400 seats.


Leahy has said that the favoured engine alternative is a stretched variant of the A350-1000 engine Rolls-Royce TWB 97k.

By staying within the exit limits of 4 door pairs (max capacity 440 seats), a capacity increase of 40 seats is possible with minimal changes to other parts of the aircraft.

Source: Airbus

This would enable a 400 seat aircraft which has a 7,600nm range with a MTOW which is below 320t.

This is a full 32t less than a competing Boeing 777-9 that has only a marginally higher passenger capacity.

Source: Airbus

The lower take-off and empty weight would give an A350-1000 stretch around 10% lower trip costs and around 5% lower seat mile costs.


Based on the article “Airbus exploring higher capacity A350” published in Leeham News


  1. Well at long last, we seem to be getting around to the 777x. The 'distinctive advantage' over the 777-300ER? So it should the 777-300ER is years old! The A350-1000 will be equivalent to the 777-8 (due in 2020 commercial flights unknown) and the proposed A350-8000 will be equivalent to the 777-9 (due 2018 commercial flights 2020). The range of the 8000 at 7,600nm with 32t less weight seems rather poor as compared to the 777-9 which will be 8200nm. The thing is,the 777-9 is way ahead of the 8000 in delivery terms, we need to see the 8000 in the air before 2017 and commercial flights 2019,a full 253 orders behind the 777-9. Airbus needs to show they mean business with the 8000,they need to get a bloody move on. One could be much more positive if the A350-900 was coming out the door at a much better rate. The proposed "ramp up" is still in the doldrums.

  2. Oh dear, please ignore my comment, fool that I am I completely mis read the article!

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