Flight Briefing

For flight AVA4099 from Seoul  Intl Airport to Singapore Changi Airport

Step 1: Review basic flight data
Departure from Seoul  Intl Airport (RKSS):	15:45
Arrival in Singapore Changi Airport (WSSS):	21:45
Equipment	B777
Distance / time	2515.13 Nm / 6h00m
Step 2: Fuel consumption & weights
Operating empty weight	307000lb
Load	72160lb
Zero-fuel weight	379160lb
Trip fuel (5:57 hours)	90699lb
Reserves (1:00 hours)	15236lb
Take-off fuel (6:57 hours)	105935lb
Take-off weight	557255lb
Estimated Landing weight	466556lb
For more fuel calculation click here
Step 3: Weather Briefing
Seoul / Kimp'O International Airport, Korea, South (RKSS) 37-33N 126-48E 18M Jun 19, 2026 - 04:00 AM EDT / 2026.06.19 0800 UTC Wind: from the WNW (290 degrees) at 6 MPH (5 KT) (direction variable):0 Visibility: 3 mile(s):0 Sky conditions: overcast Weather: light rain Temperature: 73 F (23 C) Dew Point: 73 F (23 C) Relative Humidity: 100% Pressure (altimeter): 29.71 in. Hg (1006 hPa) ob: RKSS 190800Z 29005KT 290V360 5000 -RA FEW010 BKN030 OVC070 23/23 Q1006 NOSIG cycle: 8 Sunrise: 20:14 Sunset: 10:53	Singapore / Changi Airport, Singapore (WSSS) 01-22N 103-59E 16M Jun 19, 2026 - 04:00 AM EDT / 2026.06.19 0800 UTC Wind: from the SE (130 degrees) at 9 MPH (8 KT) (direction variable):0 Visibility: greater than 7 mile(s):0 Sky conditions: partly cloudy Weather: showers in the vicinity; Cumulonimbus clouds, towering cumulus clouds observed Temperature: 87 F (31 C) Heat index: 93.9 F (34.4 C):1 Dew Point: 73 F (23 C) Relative Humidity: 62% Pressure (altimeter): 29.77 in. Hg (1008 hPa) ob: WSSS 190800Z 13008KT 100V170 9999 VCSH FEW018TCU FEW020CB SCT300 31/23 Q1008 NOSIG cycle: 8 Sunrise: 23:01 Sunset: 11:08
Step 4: Airport charts / NAV data
For RKSS airport chart click here	For WSSS airport chart click here
Step 5: Plan your route
Step 7: Enjoy your flight!