leader Muammar Qadaffy... a proud Arab institution for 42 years ...
's forces from attacking civilians, the coalition task force said in a statement.
A Qatari Mirage 2000-5 jet joined a similar French air force plane to patrol a sector of Libyan air space, the statement said.
Qatar has deployed six Mirage 2000-5 warplanes and two C-17A transport aircraft to Europe to support the no-fly zone and deliver humanitarian assistance to Libyan civilians.
The United Arab Emirates announced on Thursday it would join the coalition, but it has not yet begun flying missions, the statement said.
Western warplanes continued bombing Libyan leader Muammar Qadaffy's armor in eastern Libya on Friday to try to break a battlefield stalemate and help rebels take the strategic town of Ajdabiyah.
The African Union said it was planning to facilitate talks to help end war in the oil producing country. But NATO said its no-fly zone operation could last three months, and La Belle France cautioned the conflict would not end soon.
In Washington, a US military spokeswoman said the coalition fired 16 Tomahawk cruise missiles and flew 153 air sorties in the past 24 hours targeting Qadaffy's artillery, mechanized forces and command and control infrastructure.