Postpublished at 07:50 GMT 28 December 2014
Liow Tiong Lai
Malaysian Transport Minister
tweets, external: I have been alerted that @AirAsia, external Indonesia flight QZ8501 from Surabaya to SPore has lost contact at 0724hrs with 155 ppl on board
Summary
Contact with Indonesia AirAsia flight QZ8501 lost after it left Surabaya in Indonesia
The Airbus A320-200 was carrying 162 people when it went missing over the sea en route to Singapore
Air search called off at 10:30 GMT due to poor visibility, but sea rescue operation continues
The plane had asked to change its flight path due to bad weather, AirAsia says
Most on board are Indonesian - one passenger has been confirmed as a British national
An emergency phone line for relatives has been set up - +622 129 850 801
Postpublished at 07:50 GMT 28 December 2014
Indonesian airspacepublished at 07:42 GMT 28 December 2014
The airspace around Indonesia and Singapore is a very busy zone. This image shows the region at about the time that flight QZ 8501 lost contact (07:15-07:30/23:15-23:30 GMT). More details are available via Flight Radar 24, external
Image source, Flight RadarPostpublished at 07:41 GMT 28 December 2014
AirAsia has said in its latest statement, external at 05:25 GMT that search and rescue operations are being conducted under the guidance of the Indonesia of Civil Aviation Authority (CAA).
"AirAsia Indonesia is cooperating fully and assisting the investigation in every possible way," the statement adds.
Flight manifestpublished at 07:20 GMT 28 December 2014
The Indonesian Ministry of Transportation has released a flight log, external detailing passengers and crew on board QZ 8501.
There are 155 passengers listed as on board the flight - one infant, 16 children and 138 adults. Twenty-three people did not show up for the flight.
Image source, Julia MacfarlanePostpublished at 07:17 GMT 28 December 2014
The AirAsia flight had been due to arrive in Singapore at 08:30 local time (00:30GMT).
The missing jet had requested a "deviation" from the flight path due to bad weather, the company said.
An official with the transport ministry, Hadi Mustofa, told local media the plane lost contact over the Java Sea, between the islands of Kalimantan and Java.
He said the plane had asked for an unusual route before it lost contact and that the weather had been cloudy.
AirAsia has set up an emergency line for family or friends of those who may be on board. The number is +622 129 850 801.
Postpublished at 07:05 GMT 28 December 2014
AirAsia posted an update, external on Facebook and tweeted at 10:47 (03:47 GMT) confirming that flight QZ 8501 had lost contact at 07:24 (00:24 GMT)
Image source, Julia MacfarlanePostpublished at 06:52 GMT 28 December 2014
Welcome to the BBC's live updates on AirAsia flight QZ 8501, which has gone missing en route to Singapore from Surabaya, Indonesia.