Missing AirAsia flight: Was plane flying too slow for its altitude?

Indonesian Army personnel reading a map during a search and rescue (SAR) operation for missing Indonesia AirAsia Flight QZ8501, over the waters of the Java Sea on Dec 29, 2014. - AFP

SINGAPORE: Indonesia AirAsia Flight QZ8501 could have stalled because it was flying too slow, aviation experts have suggested.

The Airbus A320, which was flying from Surabaya to Singapore, lost contact with air traffic controllers early on Sunday morning.