Flight Briefing

For flight AVA4121 from Sydney Intl Airport to Singapore Changi Airport

Step 1: Review basic flight data
Departure from Sydney Intl Airport (YSSY):	14:15
Arrival in Singapore Changi Airport (WSSS):	22:15
Equipment	B777
Distance / time	3396 Nm / 8h00m
Step 2: Fuel consumption & weights
Operating empty weight	307000lb
Load	72160lb
Zero-fuel weight	379160lb
Trip fuel (7:58 hours)	121344lb
Reserves (1:00 hours)	15236lb
Take-off fuel (8:58 hours)	136580lb
Take-off weight	587900lb
Estimated Landing weight	466556lb
For more fuel calculation click here
Step 3: Weather Briefing
Sydney Airport, Australia (YSSY) 33-57S 151-11E 3M Jun 17, 2026 - 03:00 AM EDT / 2026.06.17 0700 UTC Wind: from the WNW (300 degrees) at 3 MPH (3 KT):0 Visibility: greater than 7 mile(s):0 Temperature: 64 F (18 C) Dew Point: 53 F (12 C) Relative Humidity: 67% Pressure (altimeter): 30.24 in. Hg (1024 hPa) ob: YSSY 170700Z AUTO 30003KT 9999 // NCD 18/12 Q1024 cycle: 7 Sunrise: 21:02 Sunset: 06:50	Singapore / Changi Airport, Singapore (WSSS) 01-22N 103-59E 16M Jun 17, 2026 - 03:30 AM EDT / 2026.06.17 0730 UTC Wind: from the S (180 degrees) at 6 MPH (5 KT):0 Visibility: greater than 7 mile(s):0 Sky conditions: partly cloudy Weather: light rain showers; Cumulonimbus clouds, towering cumulus clouds observed Temperature: 84 F (29 C) Dew Point: 75 F (24 C) Relative Humidity: 74% Pressure (altimeter): 29.83 in. Hg (1010 hPa) ob: WSSS 170730Z 18005KT 9999 -SHRA FEW015 FEW017CB FEW018TCU SCT040 29/24 Q1010 NOSIG cycle: 7 Sunrise: 23:01 Sunset: 11:08
Step 4: Airport charts / NAV data
For YSSY airport chart click here	For WSSS airport chart click here
Step 5: Plan your route
Step 7: Enjoy your flight!