By Andy Sambidge
UAE rescue team says search for ADIA chief now focusing on smaller area at lake near Rabat.
The search for Sheikh Ahmed bin Zayed Al Nahayan is entering its final stages, the UAE Search and Rescue team operating in Morocco said on Tuesday.
The team said it had narrowed down the search for the younger brother of the ruler of Abu Dhabi "to minor spaces".
Sheikh Ahmed bin Zayed disappeared on Friday when the glider he was in crashed into a lake near Rabat, the capital of Morocco.
The rescue team said that "far spots of the lake were combed thoroughly" and now they were concentrating the search to smaller areas.
Teams from at least five countries are searching for the managing director of the Abu Dhabi Investment Authority, one of the world's largest sovereign wealth funds.
UAE search and rescue team praised the efforts extended by Moroccan government for allowing the search to continue "day and night" and "facilitating challenges faced by them amid critical geographic conditions in the area".
The pilot of the glider who was rescued after the crash is now in a stable condition.
The aircraft of Sheikh Ahmed bin Zayed Al Nahayan, the younger brother of the ruler of Abu Dhabi, who is also president of the UAE, crashed into a reservoir 10km (6 miles) south of the Moroccan capital Rabat on Friday.
Sheikh Ahmed is in his early 40s and was ranked No 27 on Forbes list of the world's most powerful people last year.
His sovereign wealth fund is believed to have assets of around $500 to $700 billion, ranging from Citigroup bonds to a stake in Britain's Gatwick airport to residential property in major cities.
Few details have emerged about the accident except that the pilot of the craft was rescued after it crashed near Sidi Mohamed Ben Abdallah Dam.
Residents of the area said the sheikh was a regular visitor and that the Abu Dhabi royal family had a palace overlooking the reservoir, which is swollen due to high rainfall and estimated to be about 60 metres deep.