The airberlin topbonus frequent flyer programme (join for free and get 500 miles, here) is currently offering a status match to elite members with other airlines (save for those airlines in the Oneworld network).
Taking advantage of this status match is extremely simple. You just need to an email to email@example.com with the following information:
- Your topbonus number; and
- A legible scan/photo/copy of your other valid frequent flyer card (with elite status)
The airberlin topbonus frequent flyer programme in in the unusual position of being in two frequent flyer networks: Oneworld, and Etihad Airways Partners. Among many other benefits (including the obvious perks you’ll get when flying airberlin), this means Gold status with airberlin will give you lounge access at all Oneworld lounges worldwide (even when flying in Economy Class), provided that you are flying on a Oneworld airline ticket.
Full terms and conditions of this offer are available here.
You can find out more about the benefits of status with airberlin topbonus here, but in short there are three elite tiers: Silver (Oneworld Ruby), Gold (Oneworld Sapphire) and Platinum (Oneworld Emerald).