The BBC's Rana Jawad in Tripoli says it was not clear whether the plane was on the runway when it crashed, but people at the airport told her they could not see the plane.
Mwandishi wa BBC mjini Tripoli, Rana Jawad, anasema haikuwa wazi iwapo ndege hiyo ilikuwa kwenye njia ya kurukia ilipoanguka, lakini watu katika uwanja wa ndege walimwambia kuwa hawakuweza kuiona ndege hiyo.