1. Responsible authority
The Meteorological Services for Civil Aviation is provided by the Bangladesh Meteorological Department under Ministry of Defense
2. Area of responsibility
Area meteorological watch is provided for the Dhaka FIR.
3. Types of services
Briefing and flight documentation is provided as indicated in respective Aerodromes section. Wherever possible, the Pilot-in-Command or his designated representative is given is given personal briefing by MET personnel at office.
Aerodrome reports and forecasts, including trend type forecasts, are provided as indicated in the following table and respective Aerodrome.
For short flights (up to 500NM) all the en-route information is usually presented in tabular non-pictorial form, while for flights of more than 500NM a pictorial forecast with significant weather is supplied.
Runway visibility observations, manually, are provided at Hazrat Shahjalal International Airport (HSIA), Dhaka and Shah Amanat Intl Airport, Chittagong when visibility is 926m or less.
Warning for the protection of the parked aircraft is issued for squalls and gales when the mean speed of the surface wind is expected to exceed 40Kts. Warnings are also issued for other hazardous meteorological elements.
4. Notification required from operators
Notification from operators in respect of briefing flight documentation and other meteorological information needed by them, is normally required:
(a) for flights up to 500NM at least 3 hrs before ETD,
(b) for flights more than 500NM at least 6 hrs before ETD.
Table: Meteorological Observation and Reports
Name of station,
Location Indicator
|
Types and freq of observation/ automatic observing equipment
|
Types of MET reports and supplementary information included
|
Observation system and sites
|
Hours of operations
|
Climato-logical information
|
Dhaka/ HSIA
VGHS
|
Half hourly plus special observation
|
METAR
SPECI
PL
Suppl: TREND
|
Surface wind bu cup anemometer.
Visibility by eye estimation.
RVR by transmissometer (on test).
Cloud base by eye estimation (ceilometer on test).
Temperature and due-point by psychrometer.
|
H24
|
Climatolo-gical summaries available
|
Chitta-gong/
Shah Amanat Intl
VGEG
|
Half hourly plus special observation
|
METAR
SPECI
PL
Suppl: TREND
|
Same as VGHS except transmissometer and ceilometer
|
H24
|
Climatolo-gical summaries available
|
Sylhet/
Osmani Intl
VGSY
|
Half hourly plus special observation
|
METAR
SPECI
PL
Suppl: nil
|
Same as VGEG
|
HJ*
|
nil
|
Cox's Bazar
VGCB
|
Half hourly plus special observation
|
METAR
SPECI
PL
Suppl: nil
|
Same as VGEG
|
HJ
|
nil
|
Rajshahi
VGRJ
|
Hourly, special observation, if required half-hourly
|
METAR
SPECI
PL
Suppl: nil
|
Same as VGEG
|
HJ
|
nil
|
Jessore
VGJR
|
Half hourly plus special observation
|
METAR
SPECI
PL
Suppl: nil
|
Same as VGEG
|
HJ
|
nil
|
Saidpur
VGSD
|
Hourly, half hourly, special observation
|
METAR
SPECI
PL
Suppl: nil
|
Same as VGEG
|
HJ
|
nil
|
*HJ = Sunrise to Sunset
|
VOLMET SERVICE
VOLMET service is NOT provided.
SIGMET SERVICE
Name of MMO/ Location Indicator
|
Hours |
FIR or CTA served |
Type of SIGMET validity |
Specific procedures |
ATS unit served |
Additional Info |
HSIA
VGHSYMYX
|
H24 |
Dhaka FIR |
4 HR |
Nil |
Dhaka ACC |
Nil |
|