Timeline/Pre-Flight/1554:53 UTC

Malaysia Airlines Flight MH370 Timeline - Pre-Flight

Pre-Flight

KLIA to South China Sea

South China Sea to Straits of Malacca

Straits of Malacca to Andaman Sea

Andaman Sea to North Indian Ocean

North Indian Ocean to Southern Indian Ocean

Event Summary

 23:54:53 MYT Friday, 7 March 2014

Return to Timeline

ACARS used the SATCOM system to indicate that the VHF datalink had been 'lost'.

This indicates that the VHF radio (VHF3) had been switched from data to voice in accordance with the instruction from Malaysia Airlines Operations Centre at 23:54:31 MYT.

Event Details

1. Safety Investigation Report MH370/01/2018 Appendix 1.9A

   
   

   Time 15:54:53	Trans 46817964	Direction Incoming Downlink	AN 9M-MRO	FI MH0000	Medium POR1	Machine MHKULKJACM001	Raw DTG 071555	SMI MED	Application RELAY
   Status Normal		Message Type Lost VHF			Source/Destination QXSXMXS

   QU DPCCAMH
   .QXSXMXS 071555
   MED
   FI MH0000/AN 9M-MRO
   DT QXT POR1 071555 S06A
   - 0LV155453S

   
   

   
   

   Time 15:54:53	Trans 46817964	Direction Incoming Downlink	AN 9M-MRO	FI MH0000	Medium POR1	Machine MHKULKJACM001	Raw DTG 071555	SMI MED	Application RELAY
   Status Normal		Message Type Lost VHF			Source/Destination QXSXMXS

   QU DPCCAMH
   .QXSXMXS 071555
   MED
   FI MH0000/AN 9M-MRO
   DT QXT POR1 071555 S06A
   - 0LV155453S

   
   

---

Notes

1. The VHF datalink was 'lost' because the radio used for data (VHF3) was switched from data to voice in accordance with the instruction from Malaysia Airlines Operations Centre at 23:54:31 MYT.

---

Back to TOP
Disclaimer

Each Event in the Timeline pages has been identified from data in official documents. The details, evidence, supporting documents, references, explanatory notes etc., are provided in Event Details pages such as this. The event Summary is based on that evidence either as a direct quote or as a summary of collated data. Please refer to the actual sources as quoted or by following links to view the data in the context of the original documentation.

Malaysian Time (MYT) is Coordinated Universal Time (UTC) + 8 hours

Aircraft Communication and Reporting System

Satellite Communications

Very High Frequency

Aircraft Number

Aircraft Registration Number for the Boeing 777 used for Flight MH370. More Info

Flight ID

Inmarsat geostationary satellite above the Pacific Ocean

Unique hardware (machine) ID

Date and Time (UTC) in DD/HH/MM format

Date and Time (UTC) in DD/HH/MM format

Standard Message Identifier

ACARS lost data link over VHF (disconnected)

An identifier for SITA, a service provider for ACARS messages.

An identifier for SITA, a service provider for ACARS messages.

Invalid Flight ID: MH for Malaysia Airlines but no flight number

Aircraft Number (Registration) 9M-MRO

ACARS lost data link over VHF (disconnected) at 15:54:53 (UTC)