Tests using the DLR’s A320-232 Advanced Technology Research Aircraft found vortex generators underneath the aircraft eliminated two noise tones.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

For low-fare airlines, like Jetstar, minimising costs is especially important.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

A Sharklet-equipped Air France A320ceo coming into land at Amsterdam-Schiphol.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

Lufthansa’s A320ceos are now receiving both Sharklets and the DLR-developed vortex generators.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

Spanish budget airline Vueling was the first European carrier to introduce Sharklets on its A320ceos.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

Tigerair was one of the first airlines to go for the 'production retrofit’ option to install Sharklets on its A320ceos.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

AirAsia was the first airline to fit Sharklets to its A320ceos.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320 - InternationalInternational - 1987

Boeing and Airbus are both seeking fuel savings with their efficiency improvements to the 737NG and A320ceo.

Самолёты на фотографии: Aircrafts on the photo: Boeing Boeing 737-600 / BBJ - СШАUSA - 1998

Boeing is working on a number of structural and systems improvements to the 737NG to reduce its fuel burn.

Самолёты на фотографии: Aircrafts on the photo: Boeing Boeing 737-600 / BBJ - СШАUSA - 1998

An artist's impression of how the Aviation Partners Boeing Split Scimitar Winglet will look on a Thomson Airways Boeing 737-800.

Самолёты на фотографии: Aircrafts on the photo: Boeing Boeing 737-600 / BBJ - СШАUSA - 1998

Blended Winglets on a line-up of KLM Boeing 737-800s.

Самолёты на фотографии: Aircrafts on the photo: Boeing Boeing 737-600 / BBJ - СШАUSA - 1998