Etihad Airways Guest: Up to Triple Miles on select Etihad and airberlin flights Worldwide

Etihad and their partner airberlin have teamed up for this offer of earning bonus miles on flights for either airline. 

Offer details:
Earn up to Triple Guest Miles when you fly Etihad Airways and/or airberlin on select flights around the globe. Earn double miles in Economy Class or Triple Miles in Business Class. Full details, Online registration and booking (Registration is required) Register & book by Mar 20 for travel until Jun 30, 16

This offer applies to Etihad Guest members who fly between the
following destinations:
Between
Abu Dhabi and:
Bahrain, Bangkok, Bangalore, Berlin, Brisbane, Mumbai, Kolkata,
Jakarta, Colombo, Kochi, Chengdu, New Delhi, Dammam, Dusseldorf, Frankfurt,
Hong Kong, Phuket, Hyderabad, Seoul Incheon, Tehran, Islamabad, Jeddah,
Johannesburg, Karachi, Kuala Lumpur, Kuwait, Lahore, Chennai / Madras, Muscat,
Melbourne, Male, Munich, Nairobi, Nagoya, Tokyo Narita, Beijing, Perth,
Shanghai, Riyadh, Seychelles, Ho Chi Minh City, Singapore, Stuttgart, Sydney, Dubai
and Zurich.
Between
Berlin and:
Malaga, Alicante, Stockholm Arlanda, Budapest, Copenhagen, Rome,
Gdansk, Gothenburg, Graz, Helsinki, Innsbruck, New York, Kraków, Madrid, Miami,
Chicago O’Hare, Bucharest, Palma de Mallorca, Salzburg, Vienna, Warsaw and
Zurich.
Between
Dusseldorf and:
Malaga, Lanzarote, Alicante, Stockholm Arlanda, Barcelona,
Boston, Copenhagen, Cancun, Rome, Funchal, Innsbruck, New York, Los Angeles,
Miami, Nuremberg, Palma de Mallorca, Fort Myers, San Francisco, Stuttgart,
Salzburg, Tenerife, Berlin Tegel, Venice, Vienna and Zurich.
Between
Munich and:
Malaga, Lanzarote, Alicante, Fuerteventura, Lopez island, Palma
de Mallorca, Tenerife and Berlin Tegel.
Between
Frankfurt and:

Palma de Mallorca and Berlin.