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ZBAD
Beijing, China
Runway 35R
Elevation75 ft asl
Weight335,709 kg
Fuel126,630 kg
Wind324° · 2 kn · 1 kn cross

Flight Score

95.41 %
KBOS
Boston, United States
Runway 22L
Elevation16 ft asl
Weight226,561 kg
Fuel16,963 kg
Wind220° · 10 kn · 3 kn cross
28 Dec 2025 13:21 6414 nm Boeing 777-300 109,667 kg
Departure Score
98.89 %
Enroute Score
97.15 %
Arrival Score
90.18 %

What went well

Touched down at -203 ft/m — a soft arrival
1.18 G at touchdown — inside band
Lifted off at 187 kt — on the 180 kt rotation target

What held you back

Arrival Rollout — Runway alignment max 13.44 m at 62 %, Landing distance 1,957 m at 64 %, −1.40 points
Arrival Landing — GPWS warning; Flare profile at 0 %, −1.32 points
Enroute Climb — 250 kt exceeded below 10,000 ft; speed limits at 60 %, −0.59 points

Top opportunity

Work on the flare

Arrival Landing

Arrive slow and the sink rate at the threshold is already above schedule, the flare is short because there is no energy to extend it, and the touchdown is hard in a way that feels exactly like a late flare. Diagnosing a slow arrival as a late flare is the catastrophic misread: you respond by flaring earlier, which bleeds more speed, which makes the next one worse. The tiebreaker is threshold speed against VRef, not feel. Never diagnose a flare without it.

Read more in Flare Timing

Start to finish · 24 stages, 22 scored

The flight story

Departure One segment per stage, in flight order — colour is the score band. Drag the bar to move along the flight, or click a stage card to open its detail. Arrival
Departure Taxi 100.00Taxiing from the parking to the runway took 15 minutes and covered 3 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 13 kt0 kt min to max 23 kt 2 9 kt
100 % Average speed turning corners 12 ktmax 14 kt 0 0 kt
100 % Average g force 1.00 g0.97 g min to max 1.02 g 1.00 1.00 g
Info Average pitch angle -0.4 °-0.6 ° min to max 0.6 ° -0.4 -0.2 °
Info Average bank angle 0.2 °0.0 ° min to max 0.9 ° 0.0 0.1 °

Events

Info Engine 1 Started 13 ft agl
Info Parking Brake On 13 ft agl
Info Taxi Lights Switched On 13 ft agl
Info Flaps Position 1 13 ft agl
Info Flaps Position 2 13 ft agl
Info Parking Brake Off 13 ft agl
Info Flaps Position 3 13 ft agl · 2 kt
Info Flaps Position 4 13 ft agl · 3 kt
Info Flaps Position 5 13 ft agl · 4 kt
Info Flaps Position 6 13 ft agl · 4 kt
Info Flaps Position 5 13 ft agl · 7 kt
Info Flaps Position 4 13 ft agl · 11 kt
Info Flaps Position 3 13 ft agl · 13 kt
Info Landing Lights Switched On 13 ft agl · 1 kt
Departure Runway Entry Entering runway 35R at ZBAD Beijing Daxing International Airport, Average speed was 11 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 9 kt9 kt min to max 9 kt 9 9 kt
Info Average pitch angle -0.2 °-0.2 ° min to max -0.2 ° -0.2 -0.2 °
Info Average bank angle 0.1 °0.0 ° min to max 0.1 ° 0.0 0.0 °
Info Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g
Departure Roll 99.84Departure roll runway 35R at ZBAD Beijing Daxing International Airport. Takeoff distance 2,246 m 60 % of runway. Liftoff speed was 187 kt. Local weather - Temperature 7 °C. Wind 2 kt at 324 °. Crosswind: 1 kt Headwind: 2 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 2,246 m60 % of runway
100 % Liftoff speed was 187 ktTarget 180 kt
99 % Runway alignment max 3.47 m0.20 m left to 3.27 m right -2.01 0.20 m
100 % Average g force 1.00 g0.97 g min to max 1.04 g 1.00 1.02 g
100 % Takeoff Bounce
Info Average pitch angle 0.0 °-0.8 ° min to max 7.4 ° -0.2 7.4 °
Info Average bank angle 0.1 °0.0 ° min to max 0.8 ° 0.1 0.8 °
Departure Climb 1 98.50Departure climb to 50 ft agl from runway 35R ZBAD Beijing Daxing International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.1 °-0.1 ° min to max -0.1 ° -0.1 -0.1 °
100 % Average speed 192 kt187 kt min to max 194 kt 187 194 kt
94 % Average bank angle 2.8 °0.9 ° min to max 4.3 ° 0.9 4.1 °
100 % Average g force 1.09 g1.03 g min to max 1.14 g 1.03 1.14 g
Info Average VSI 418 fpm67 fpm min to max 852 fpm 67 852 fpm
Info Average altitude 16 ft agl0 ft agl min to max 42 ft agl 0 42 ft agl
Info Average pitch angle 9.3 °7.5 ° min to max 12.0 ° 7.5 12.0 °
Departure Climb 2 98.66Departure climb to 400 ft agl from 35R ZBAD Beijing Daxing International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.0 °-0.0 ° min to max 0.1 ° -0.0 0.1 °
100 % Average speed 194 kt193 kt min to max 195 kt 194 193 kt
95 % Average bank angle 2.3 °0.3 ° min to max 4.0 ° 4.0 0.9 °
100 % Average g force 1.11 g0.89 g min to max 1.16 g 1.14 0.89 g
Info Average VSI 1,344 fpm873 fpm min to max 2,409 fpm 873 2,270 fpm
Info Average altitude 100 ft agl44 ft agl min to max 362 ft agl 44 362 ft agl
Info Average pitch angle 13.1 °12.1 ° min to max 16.2 ° 12.1 12.3 °

Events

Info Landing Gear Up 115 ft agl · 191 kt
Departure Climb 3 97.45Departure climb to 1,000 ft agl from 35R ZBAD Beijing Daxing International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.2 °0.0 ° min to max 0.2 ° 0.2 0.0 °
100 % Average speed 195 kt193 kt min to max 196 kt 193 193 kt
87 % Average bank angle 3.1 °0.6 ° min to max 6.8 ° 0.6 1.2 °
100 % Average g force 1.00 g0.91 g min to max 1.12 g 0.92 0.96 g
100 % Landing gear up
Info Average VSI 2,096 fpm1,646 fpm min to max 2,866 fpm 2,150 2,866 fpm
Info Average altitude 659 ft agl396 ft agl min to max 955 ft agl 396 955 ft agl
Info Average pitch angle 13.5 °11.2 ° min to max 16.5 ° 12.4 15.7 °
Enroute Climb 100.00Enroute climb started 1 mile north of ZBAD Beijing Daxing International Airport Beijing (Beijing Shi, China). Climbing from 1,114 ft asl to 4,697 ft asl, an increase of 3,583 ft in 3 minutes and covering 10 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 226 kt190 kt min to max 256 kt 192 256 kt
100 % Average bank angle 15.1 °0.0 ° min to max 31.5 ° 2.3 10.0 °
100 % Average g force 1.03 g0.63 g min to max 1.33 g 0.97 1.02 g
Info Average VSI 691 fpm-1,703 fpm min to max 2,886 fpm 2,868 -132 fpm
Info Average altitude 3,741 ft asl1,114 ft asl min to max 4,904 ft asl 1,114 4,697 ft asl
Info Average pitch angle 8.8 °4.1 ° min to max 15.8 ° 15.8 5.8 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Exceeded 250 kn below 10000 ft 4,701 ft agl
Info Flaps Position 2 2,850 ft agl · 225 kt
Info Flaps Position 1 4,057 ft agl · 243 kt
Enroute Level 90.40Enroute level cruise started 5 miles south east of ZBNY Beijing Nanyuan Air Base Beijing (Beijing Shi, China) and lasted 5 minutes, covering 18 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 4,692 ft asl4,659 ft asl min to max 4,798 ft asl 4,695 4,798 ft asl
52 % Average speed 254 kt251 kt min to max 259 kt 256 258 kt
100 % Average bank angle 18.2 °0.0 ° min to max 31.5 ° 10.0 2.2 °
100 % Average g force 1.06 g0.98 g min to max 1.21 g 1.02 1.15 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 6.3 °5.4 ° min to max 10.4 ° 5.8 10.4 °

Events

Fail Exceeded 250 kn below 10000 ft 4,695 ft agl
Fail Exceeded 250 kn below 10000 ft 4,700 ft agl
Fail Exceeded 250 kn below 10000 ft 4,709 ft agl
Fail Exceeded 250 kn below 10000 ft 4,701 ft agl
Info Flaps Fully Retracted 4,593 ft agl · 271 kt
Info Landing Lights Switched Off 4,594 ft agl · 271 kt
Info Taxi Lights Switched Off 4,617 ft agl · 271 kt
Enroute Climb 2 83.95Enroute climb started 6 miles north east of Langfang (Hebei Sheng, China). Climbing from 5,177 ft asl to 28,281 ft asl, an increase of 23,105 ft in 14 minutes and covering 84 nm.
ScoreDescriptionStartProfileEnd
60 % Average speed 297 kt254 kt min to max 321 kt 257 319 kt
100 % Average bank angle 10.0 °0.0 ° min to max 30.1 ° 0.8 0.2 °
100 % Average g force 1.02 g0.94 g min to max 1.14 g 1.03 1.00 g
Info Average VSI 1,360 fpm113 fpm min to max 2,690 fpm 2,300 113 fpm
Info Average altitude 17,472 ft asl5,177 ft asl min to max 28,281 ft asl 5,177 28,281 ft asl
Info Average pitch angle 6.0 °3.1 ° min to max 10.8 ° 10.8 3.1 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Exceeded 250 kn below 10000 ft 5,176 ft agl
Fail Exceeded 250 kn below 10000 ft 9,286 ft agl
Enroute Level 2 100.00Enroute level cruise started 34 miles north of ZGUO Gulou Airport Gulou (Beijing Shi, China) and lasted 475 minutes, covering 3,914 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 27,853 ft asl26,789 ft asl min to max 29,011 ft asl 28,300 28,742 ft asl
100 % Average speed 318 kt295 kt min to max 321 kt 319 316 kt
100 % Average bank angle 2.4 °0.0 ° min to max 30.3 ° 0.0 0.1 °
100 % Average g force 1.01 g0.91 g min to max 1.18 g 0.99 0.99 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 2.5 °1.6 ° min to max 4.5 ° 3.0 3.9 °
Enroute Climb 3 100.00Enroute climb started 25 miles west of Upper Liard (Yukon, Canada). Climbing from 29,018 ft asl to 32,218 ft asl, an increase of 3,200 ft in 3 minutes and covering 32 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 293 kt288 kt min to max 313 kt 313 288 kt
100 % Average bank angle 4.7 °0.1 ° min to max 13.4 ° 0.1 0.2 °
100 % Average g force 1.00 g0.94 g min to max 1.03 g 1.00 1.00 g
Info Average VSI 575 fpm-58 fpm min to max 1,670 fpm 1,670 -12 fpm
Info Average altitude 31,543 ft asl29,018 ft asl min to max 32,221 ft asl 29,018 32,218 ft asl
Info Average pitch angle 3.3 °2.8 ° min to max 4.0 ° 4.0 2.8 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 3 100.00Enroute level cruise started 3 miles east of Watson Lake (Yukon, Canada) and lasted 358 minutes, covering 2,235 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 32,889 ft asl32,001 ft asl min to max 33,637 ft asl 32,220 33,100 ft asl
100 % Average speed 290 kt277 kt min to max 294 kt 288 287 kt
100 % Average bank angle 1.2 °0.0 ° min to max 18.7 ° 0.0 0.0 °
100 % Average g force 1.00 g0.92 g min to max 1.08 g 1.01 0.98 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 2.4 °1.7 ° min to max 2.9 ° 2.8 1.8 °
Enroute Descent 100.00Enroute descent started 2 miles north east of Williamstown (Massachusetts, United States). Descent from 33,014 ft asl to 2,999 ft asl, a decrease of 30,015 ft in 16 minutes and covering 97 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 260 kt230 kt min to max 319 kt 285 230 kt
100 % Average bank angle 10.9 °0.0 ° min to max 29.8 ° 0.1 18.1 °
100 % Average g force 1.04 g0.89 g min to max 1.28 g 0.97 1.10 g
Info Average VSI -2,297 fpm-3,788 fpm min to max -32 fpm -708 -1,336 fpm
Info Average altitude 15,740 ft asl2,999 ft asl min to max 33,014 ft asl 33,014 2,999 ft asl
Info Average pitch angle -0.5 °-2.7 ° min to max 2.2 ° 1.2 2.2 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 4 100.00Enroute level cruise started overhead Topsfield (Massachusetts, United States) and lasted 2 minutes, covering 5 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 2,745 ft asl2,611 ft asl min to max 2,978 ft asl 2,978 2,691 ft asl
100 % Average speed 208 kt174 kt min to max 230 kt 230 174 kt
100 % Average bank angle 16.9 °0.2 ° min to max 28.5 ° 17.7 0.7 °
100 % Average g force 1.06 g0.96 g min to max 1.25 g 1.17 0.97 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 5.8 °2.7 ° min to max 10.8 ° 2.7 4.4 °

Events

Info Flaps Position 1 2,734 ft agl · 226 kt
Info Flaps Position 2 2,590 ft agl · 185 kt
Info Flaps Position 3 2,524 ft agl · 187 kt
Enroute Descent 2 100.00Enroute descent started 1 mile north east of Peabody (Massachusetts, United States). Descent from 2,657 ft asl to 1,311 ft asl, a decrease of 1,346 ft in 2 minutes and covering 7 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 152 kt145 kt min to max 172 kt 172 146 kt
100 % Average bank angle 0.3 °0.0 ° min to max 1.3 ° 0.5 0.6 °
100 % Average g force 1.00 g0.93 g min to max 1.07 g 1.03 1.01 g
Info Average VSI -734 fpm-1,249 fpm min to max 179 fpm -190 -963 fpm
Info Average altitude 1,789 ft asl1,311 ft asl min to max 2,667 ft asl 2,657 1,311 ft asl
Info Average pitch angle 2.7 °0.4 ° min to max 6.9 ° 5.1 0.6 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Landing Lights OFF should be ON 2,657 ft agl
Info Landing Lights Switched On 2,580 ft agl · 172 kt
Info Taxi Lights Switched On 2,570 ft agl · 172 kt
Info Landing Gear Down 2,241 ft agl · 172 kt
Info Flaps Position 4 1,930 ft agl · 163 kt
Info Flaps Position 5 1,699 ft agl · 147 kt
Info Flaps Position 6 1,632 ft agl · 145 kt
Arrival Final 4 100.00Approaching runway 22L at KBOS Logan International Airport from 4 nm to 3 nm. Descent from 1,280 ft agl to 970 ft agl. A decrease of 310 ft in 22 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °3.0 ° min to max 3.0 °Target 3.0 ° 3.0 3.0 °
100 % Average speed 146 kt145 kt min to max 147 kt 147 146 kt
100 % Heading variation 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °
100 % Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.2 0.1 °
100 % Average g force 1.00 g0.96 g min to max 1.04 g 1.02 1.00 g
Info Average VSI -819 fpm-1,012 fpm min to max -649 fpm -929 -811 fpm
Info Average altitude 1,120 ft agl970 ft agl min to max 1,280 ft agl 1,280 970 ft agl
Info Average pitch angle 2.0 °0.9 ° min to max 2.7 ° 0.9 2.0 °
33.253.53.7549009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500Distance to Touchdown NMApproach Height ft33.253.53.754-110-83-55-280285583110Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 3 100.00Approaching runway 22L at KBOS Logan International Airport from 3 nm to 2 nm. Descent from 956 ft agl to 623 ft agl. A decrease of 334 ft in 24 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °2.9 ° min to max 3.0 °Target 3.0 ° 3.0 2.9 °
100 % Average speed 149 kt147 kt min to max 150 kt 147 150 kt
100 % Heading variation 0.0 °-0.0 ° min to max 0.0 ° 0.0 -0.0 °
100 % Average bank angle 0.4 °0.0 ° min to max 1.4 ° 0.3 0.9 °
100 % Average g force 1.00 g0.95 g min to max 1.05 g 1.00 1.04 g
Info Average VSI -831 fpm-982 fpm min to max -648 fpm -814 -928 fpm
Info Average altitude 798 ft agl623 ft agl min to max 956 ft agl 956 623 ft agl
Info Average pitch angle 1.5 °0.5 ° min to max 2.9 ° 2.0 1.3 °

Events

Fail GPWS Warning Activated 653 ft agl · 148 kt
Info GPWS Warning Deactivated 638 ft agl · 148 kt
22.252.52.7535506006507007508008509009501,0001,0501,100Distance to Touchdown NMApproach Height ft22.252.52.753-90-68-45-23023456890Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 2 100.00Approaching runway 22L at KBOS Logan International Airport from 2 nm to 1 nm. Descent from 608 ft agl to 327 ft agl. A decrease of 281 ft in 24 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 2.9 °2.8 ° min to max 3.1 °Target 3.0 ° 2.9 3.1 °
100 % Average speed 150 kt148 kt min to max 151 kt 150 150 kt
100 % Heading variation -0.1 °-0.2 ° min to max 0.0 ° -0.1 0.0 °
100 % Average bank angle 1.2 °0.6 ° min to max 2.2 ° 0.6 1.0 °
100 % Average g force 1.00 g0.91 g min to max 1.05 g 1.03 0.92 g
Info Average VSI -678 fpm-950 fpm min to max -389 fpm -864 -713 fpm
Info Average altitude 452 ft agl327 ft agl min to max 608 ft agl 608 327 ft agl
Info Average pitch angle 1.8 °0.4 ° min to max 3.2 ° 1.3 0.5 °

Events

Fail GPWS Warning Activated 451 ft agl · 147 kt
Fail GPWS Warning Activated 440 ft agl · 146 kt
Info GPWS Warning Deactivated 437 ft agl · 147 kt
Info GPWS Warning Deactivated 362 ft agl · 146 kt
11.251.51.752250300350400450500550600650700750Distance to Touchdown NMApproach Height ft11.251.51.752-70-53-35-18018355370Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 1 99.76Approaching runway 22L at KBOS Logan International Airport from 1 nm to 0 nm. Descent from 312 ft agl to 84 ft agl. A decrease of 228 ft in 20 seconds.
ScoreDescriptionStartProfileEnd
99 % Approach angle 3.7 °3.0 ° min to max 4.7 °Target 3.0 ° 3.0 4.7 °
100 % Average speed 149 kt149 kt min to max 150 kt 150 149 kt
100 % Heading variation -0.1 °-0.2 ° min to max 0.0 ° 0.0 -0.2 °
100 % Average bank angle 1.1 °0.5 ° min to max 2.4 ° 0.8 0.9 °
100 % Average g force 1.02 g0.92 g min to max 1.07 g 0.92 1.00 g
Info Average VSI -555 fpm-945 fpm min to max -390 fpm -854 -390 fpm
Info Average altitude 137 ft agl84 ft agl min to max 312 ft agl 312 84 ft agl
Info Average pitch angle 2.6 °0.5 ° min to max 3.1 ° 0.5 2.8 °

Events

Fail GPWS Warning Activated 265 ft agl · 146 kt
Fail GPWS Warning Activated 236 ft agl · 146 kt
Fail GPWS Warning Activated 170 ft agl · 146 kt
Fail GPWS Warning Activated 112 ft agl · 146 kt
Fail GPWS Warning Activated 95 ft agl · 146 kt
Info GPWS Warning Deactivated 264 ft agl · 146 kt
Info GPWS Warning Deactivated 194 ft agl · 146 kt
Info GPWS Warning Deactivated 132 ft agl · 146 kt
Info GPWS Warning Deactivated 103 ft agl · 146 kt
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-50-38-25-13013253850Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 68.41Landing on runway 22L at KBOS Logan International Airport, runway length 2,329 m. Threshold height at 66 ft agl was above target. Threshold speed was slightly above target at 149 kt.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was slightly above target at 149 kt. Target 141 kt
76 % Target 50 ft agl
0 % Very poor landing flare
100 % Heading variation -0.2 °-0.4 ° min to max -0.1 ° -0.2 -0.4 °
94 % Average bank angle 2.3 °0.1 ° min to max 4.8 ° 0.8 4.8 °
100 % Average g force 1.01 g0.95 g min to max 1.12 g 0.99 1.01 g
Info Average speed 145 kt136 kt min to max 149 kt 149 136 kt
Info Average VSI -329 fpm-400 fpm min to max -180 fpm -388 -204 fpm
Info Average altitude 29 ft agl0 ft agl min to max 66 ft agl 66 0 ft agl
Info Average pitch angle 3.3 °2.4 ° min to max 5.0 ° 2.8 5.0 °

Events

Fail GPWS Warning Activated still on from Arrival Final 1 112 ft agl · 146 kt
Fail GPWS Warning Activated still on from Arrival Final 1 95 ft agl · 146 kt
Info GPWS Warning Deactivated 55 ft agl · 145 kt
07515022530037545052560067575082590097501326395164Runway Distance mLanding Height ft075150225300375450525600675750825900975-25-20-15-10-50510152025Runway Distance mRunway Width m
Arrival Touchdown 86.98Touchdown point was 435 m beyond the touchdown zone. Touchdown speed at 136 kt was good. Touchdown rate was fair at -204 fpm. Runway touchdown position was misaligned by 9.9 m from centreline. Local weather - Temperature 1 °C. Wind 10 kt at 220 °. Crosswind: 3 kt Headwind: 9 kt.
ScoreDescriptionStartProfileEnd
96 % Touchdown VSI was -204 fpm.
56 % Touchdown distance was 856 mTarget 457 m
100 % Speed at touchdown 136 ktTarget below 138 kt
75 % Runway alignment max 9.90 m9.39 m right -8.86 -9.90 m
63 % Average bank angle 5.0 °4.8 ° min to max 5.2 ° 4.8 5.0 °
100 % Average g force 1.12 g1.01 g min to max 1.18 g 1.01 1.13 g
100 % Landing Bounce
Info Average speed 136 kt135 kt min to max 136 kt 136 135 kt
Info Average pitch angle 5.2 °5.0 ° min to max 5.3 ° 5.0 5.2 °
Arrival Rollout 66.32Total landing distance 1,957 m, 84 % of runway. Runway rollout alignment was slightly misaligned by 13.4 m from centreline.
ScoreDescriptionStartProfileEnd
64 % Landing distance 1,957 m84 % of runway.
62 % Runway alignment max 13.44 m0.00 m left to 13.44 m right -10.06 -4.02 m
100 % Average g force 1.00 g0.96 g min to max 1.09 g 1.09 1.00 g
Info Average speed 110 kt63 kt min to max 122 kt 122 63 kt
Info Average pitch angle 2.9 °-0.6 ° min to max 5.2 ° 5.2 -0.5 °
Info Average bank angle 3.1 °0.0 ° min to max 4.9 ° 4.9 0.1 °
Runway Exit Exiting runway, average speed 38 kt
ScoreDescriptionStartProfileEnd
Info Average speed 28 kt14 kt min to max 60 kt 60 14 kt
Info Average pitch angle -0.4 °-0.6 ° min to max -0.4 ° -0.5 -0.4 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.1 0.2 °
Info Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g
Arrival Taxi 100.00Taxiing to the parking from the runway took 4 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 11 kt0 kt min to max 14 kt 14 0 kt
100 % Average speed turning corners 9 ktmax 11 kt 0 0 kt
100 % Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g
Info Average pitch angle -0.4 °-0.6 ° min to max -0.4 ° -0.4 -0.4 °
Info Average bank angle 0.0 °0.0 ° min to max 0.2 ° 0.1 0.0 °

Events

Info Flaps Position 5 13 ft agl · 5 kt
Info Flaps Position 4 13 ft agl · 5 kt
Info Landing Lights Switched Off 13 ft agl · 5 kt
Info Flaps Position 3 13 ft agl · 8 kt
Info Flaps Position 2 13 ft agl · 9 kt
Info Flaps Position 1 13 ft agl · 10 kt
Info Flaps Fully Retracted 13 ft agl · 16 kt

Takeoff

OkTaxi lightsSet
100.00Takeoff roll2,246 m · 60 %
100.00Liftoff speed187 kt · target 180, 7 fast
99.18Runway alignment3.27 m R
OkBounce on takeoffNone
98.50Rate of climb417 ft/m

Approach

Unstable1,000 ft gatecentreline
Unstable500 ft gatecentreline
76.20Threshold height65 ft
100.00Threshold speed148 kt · target 144, 4 fast
100.00Centreline offset0.11 m R
Flare 0.00Very poor landing flare

Touchdown

56.38Touchdown point856 m
75.01Centreline at touchdown9.90 m R
100.00Touchdown speed136 kt · target 141 or less
96.41Sink rate-203 ft/m
100.00Touchdown force1.18 G
OkBouncesNone
66.32Rollout distance1,064 m · 82 % used

The stabilisation gates

Two stabilised approach gates, each with five checks, where the approach path is 1,000 ft and 500 ft above the runway.

Five checks, two gates1,000 ft500 ft
Gear down
Sink rate
On glideslope
On centreline
On speed

At the 1,000 ft gate: off the centreline.

At the 500 ft gate: off the centreline.

The approach, gate by gate

Gate Height Centreline Speed
3.0 nm 995 ft 0.06° L +2 kt
2.0 nm 662 ft 0.01° R +6 kt
1.5 nm 474 ft 0.24° R +6 kt
1.0 nm 355 ft 0.13° R +5 kt
0.5 nm 195 ft 0.24° R +5 kt
THR 64 ft 6.80 m R +5 kt

Touchdown on KBOS 22L

Past threshold
856 m
Off centreline
9.90 mR
Sink rate
-203 ft/m
Impact
1.18G

Side view — the last 2,042 m of the approach.

65 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 305 m This flight — 65 ft, down at 856 m

Plan view — the first 2,042 m of the 2,329 m runway, to the same scale as the side view.

5001,0001,5002,000 THRESHOLD CROSS 3 kn FULL SCORE TO 503 M 856 m past threshold CLEARED

Touched down 856 m past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 1,920 m of 2,329 m · 82 %

The rest of the report

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Flight narrative

The flight began with a taxiing period from the parking to the runway, which took 15 minutes and covered a distance of 3 nautical miles. The aircraft, a Boeing 777-300, then departed from runway 35R at ZBAD Beijing Daxing International Airport. The takeoff distance was 2,246 meters, which is 60% of the runway length. The liftoff speed was 187 knots.

The local weather conditions at the time of departure were a temperature of 7°C, with a wind speed of 2 knots at 324°. The crosswind was 1 knot, and the headwind was 2 knots. The aircraft then began its enroute climb, starting 1 mile north of ZBAD Beijing Daxing International Airport. The climb took 3 minutes, during which the aircraft ascended from 1,114 feet above sea level to 4,697 feet above sea level, an increase of 3,583 feet. The distance covered during this climb was 10 nautical miles.

The enroute level cruise started 5 miles southeast of ZBNY Beijing Nanyuan Air Base and lasted 5 minutes, covering a distance of 18 nautical miles. The aircraft then began another enroute climb, this time starting 6 miles northeast of Langfang. The climb took 14 minutes, during which the aircraft ascended from 5,177 feet above sea level to 28,281 feet above sea level, an increase of 23,105 feet. The distance covered during this climb was 84 nautical miles.

The enroute level cruise then started 34 miles north of ZGUO Gulou Airport and lasted 475 minutes, covering a distance of 3,914 nautical miles. The aircraft then began another enroute climb, starting 25 miles west of Upper Liard. The climb took 3 minutes, during which the aircraft ascended from 29,018 feet above sea level to 32,218 feet above sea level, an increase of 3,200 feet. The distance covered during this climb was 32 nautical miles.

The enroute level cruise then started 3 miles east of Watson Lake and lasted 358 minutes, covering a distance of 2,235 nautical miles. The aircraft then began its enroute descent, starting 2 miles northeast of Williamstown. The descent took 16 minutes, during which the aircraft descended from 33,014 feet above sea level to 2,999 feet above sea level, a decrease of 30,015 feet. The distance covered during this descent was 97 nautical miles.

The enroute level cruise then started overhead Topsfield and lasted 2 minutes, covering a distance of 5 nautical miles. The aircraft then began another enroute descent, starting 1 mile northeast of Peabody. The descent took 2 minutes, during which the aircraft descended from 2,657 feet above sea level to 1,311 feet above sea level, a decrease of 1,346 feet. The distance covered during this descent was 7 nautical miles.

The final approach to runway 22L at KBOS Logan International Airport was made from the north, with a heading of 200.0° at 4 nautical miles and 1,280 feet above ground level. The landing was made on runway 22L, which has a length of 2,329 meters. The threshold height was above the target, and the threshold speed was slightly above the target at 149 knots.

The touchdown point was 435 meters beyond the touchdown zone, with a touchdown speed of 136 knots, which was good. The touchdown rate was fair at -204 feet per minute. The runway touchdown position was misaligned by 9.9 meters from the centerline. The local weather conditions at the time of landing were a temperature of 1°C, with a wind speed of

Flight map
Replay this flight in 3D The full flight path over the terrain with every stage, event and score along the route.
Takeoff report
Takeoff on runway 35R at ZBAD Beijing Daxing International Airport in the Boeing 777-300ER
98.89 %
100 %
Taxi
Taxiing from the parking to the runway took 15 minutes and covered 3 nm.
Taxi Lights
100 %
Switched On
Ground Speed kt
100 %
30 15 0
Turn Speed
100 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
1 0.5 0
Pitch °
Info
1 0.5 0
99.84 %
Takeoff Roll
Departure roll runway 35R at ZBAD Beijing Daxing International Airport. Takeoff distance 2,246 m 60 % of runway. Liftoff speed was 187 kt. Local weather - Temperature 7 °C. Wind 2 kt at 324 °. Crosswind: 1 kt Headwind: 2 kt.
Takeoff Distance
100 %
Roll distance of 2,246 m using 59.63 % of runway
Liftoff Speed
100 %
Liftoff speed was 187 kn - Target 180 kn
Alignment
99.18 %
0.20 m left to 3.27 m right
Bounce
100 %
No Bounce Detected
Strobe Lights
100 %
Switched On
Landing Lights
100 %
Switched On
G
100 %
1.5 1 0.5
IAS kt
Info
190 100 10
Bank °
Info
1 0.5 0
Pitch °
Info
8 4 0
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,500-30-25-20-15-10-5051015202530 Runway Distance m Runway Alignment to End of Runway m
98.5 %
Climb 1
Departure climb to 50 ft agl from runway 35R ZBAD Beijing Daxing International Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
200 190 180
Bank °
94 %
5 2.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
12 9.5 7
Climb Rate fpm
Info
900 400 -100
98.66 %
Climb 2
Departure climb to 400 ft agl from 35R ZBAD Beijing Daxing International Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
200 195 190
Bank °
94.66 %
5 2.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
17 15 12
Climb Rate fpm
Info
2,500 1,600 700
97.45 %
Climb 3
Departure climb to 1,000 ft agl from 35R ZBAD Beijing Daxing International Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
200 195 190
Bank °
87.24 %
7 3.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
17 14 11
Climb Rate fpm
Info
2,900 2,200 1,500
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,500085170255340425 Runway Distance m Height at End of Runway ft
00.250100200300400500600700800900 Climb Distance NM Climb Profile to 1,000 ft
00.25-60-48-36-24-1201224364860 Climb Distance NM Runway Alignment (in m) to 1,000 ft
Landing report
Landing on runway 22L at KBOS Logan International Airport in the Boeing 777-300ER
Landing Score 80.37 %
Landing Summary

The Boeing 777-300 aircraft successfully landed at KBOS Logan International Airport, but with some notable deviations from the ideal landing parameters. The aircraft was approaching the runway from the north, heading 200.0° at a distance of 4 nautical miles and an altitude of 1,280 feet above ground level (agl). The final approach was made to runway 22L, which has a length of 2,329 meters.

Upon landing, the aircraft touched down 435 meters beyond the touchdown zone, which is a significant deviation from the ideal touchdown point. The touchdown speed of 136 knots was within the acceptable range, indicating that the pilot had maintained control of the aircraft during the descent. However, the touchdown rate of -204 feet per minute (fpm) was only fair, suggesting that the aircraft may have experienced some deceleration issues during the landing.

The threshold height at 66 feet agl was above the target, indicating that the aircraft may have been slightly higher than desired when it reached the runway threshold. The threshold speed of 149 knots was also slightly above the target, which may have contributed to the aircraft's deviation from the ideal touchdown point.

The local weather conditions at the time of the landing were characterized by a temperature of 1°C and a wind speed of 10 knots from 220°. The crosswind component was minimal at 3 knots, while the headwind component was 9 knots. These conditions may have affected the aircraft's performance during the landing.

The total landing distance of 1,957 meters was 84% of the runway length, which is within the acceptable range. However, the runway touchdown position was misaligned by 9.9 meters from the centerline, and the runway rollout alignment was also slightly misaligned by 13.4 meters from the centerline. These deviations from the ideal alignment may have been caused by the pilot's response to the wind conditions or other factors.

Overall, the landing was successful, but with some notable deviations from the ideal parameters. The pilot's performance was good, but there is room for improvement in terms of touchdown point accuracy and touchdown rate.

100 %
Final 4
Approaching runway 22L at KBOS Logan International Airport from 4 nm to 3 nm. Descent from 1,280 ft agl to 970 ft agl. A decrease of 310 ft in 22 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
147 143 140
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-649 -874 -1,100
33.253.53.7549009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500 Distance to Touchdown NM Approach Height ft
33.253.53.754-110-83-55-280285583110 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 3
Approaching runway 22L at KBOS Logan International Airport from 3 nm to 2 nm. Descent from 956 ft agl to 623 ft agl. A decrease of 334 ft in 24 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
151 145 140
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-648 -824 -1,000
22.252.52.7535506006507007508008509009501,0001,0501,100 Distance to Touchdown NM Approach Height ft
22.252.52.753-90-68-45-23023456890 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 2
Approaching runway 22L at KBOS Logan International Airport from 2 nm to 1 nm. Descent from 608 ft agl to 327 ft agl. A decrease of 281 ft in 24 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
151 145 140
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
3 1.5 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-389 -694 -1,000
11.251.51.752250300350400450500550600650700750 Distance to Touchdown NM Approach Height ft
11.251.51.752-70-53-35-18018355370 Distance to Touchdown NM Approach Runway Alignment m
99.76 %
Final 1
Approaching runway 22L at KBOS Logan International Airport from 1 nm to 0 nm. Descent from 312 ft agl to 84 ft agl. A decrease of 228 ft in 20 seconds.
Glideslope
98.78 %
Good glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
98.78 %
4 3 2
IAS kt
100 %
150 145 140
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
4 2 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-390 -695 -1,000
00.250.50.751050100150200250300350 Distance to Touchdown NM Approach Height ft
00.250.50.751-50-38-25-13013253850 Distance to Touchdown NM Approach Runway Alignment m
68.41 %
Landing
Landing on runway 22L at KBOS Logan International Airport, runway length 2,329 m. Threshold height at 66 ft agl was above target. Threshold speed was slightly above target at 149 kt.
Height
76.2 %
Threshold height at 66 ft agl was above target. Target 50 ft agl
Speed
100 %
Threshold speed was slightly above target at 149 kt. Target 141 kt
Flare
0 %
Very poor landing flare
Centreline ft
100 %
100 0 -100
Bank °
93.62 %
5 2.5 0
G
100 %
1.5 1 0.5
IAS kt
Info
149 139 130
Pitch °
Info
5 3.5 2
Descent Rate fpm
Info
-180 -290 -400
07515022530037545052560067575082590097501326395164 Runway Distance m Landing Height ft
075150225300375450525600675750825900975-25-20-15-10-50510152025 Runway Distance m Runway Width m
86.98 %
Touchdown
Touchdown point was 435 m beyond the touchdown zone. Touchdown speed at 136 kt was good. Touchdown rate was fair at -204 fpm. Runway touchdown position was misaligned by 9.9 m from centreline. Local weather - Temperature 1 °C. Wind 10 kt at 220 °. Crosswind: 3 kt Headwind: 9 kt.
Touchdown
96.41 %
Touchdown rate was fair at -204 ft/m.
Speed
100 %
Touchdown speed at 136 kt was good. Target below 138 kn
Distance
56.33 %
Touchdown point was 435 m beyond the touchdown zone.
Alignment
75.01 %
Runway touchdown position was misaligned by 9.9 m from centreline.
Bank
63.38 %
Bank angle 5.0 °
G
100 %
G 1.12 g
Bounce
100 %
No Bounce Detected
66.32 %
Rollout
Total landing distance 1,957 m, 84 % of runway. Runway rollout alignment was slightly misaligned by 13.4 m from centreline.
Distance
63.97 %
Landing distance 1,957 m using 84.01 % of runway
Alignment
62.1 %
Runway rollout alignment was slightly misaligned by 13.4 m from centreline.
G
100 %
1.25 1 0.75
IAS kt
Info
135 102 70
Bank °
Info
5 2.5 0
Pitch °
Info
6 3 0
02004006008001,0001,2001,4001,6001,800 Runway Distance m Runway Width m
100 %
Taxi
Taxiing to the parking from the runway took 4 minutes and covered less than 1 nm.
Landing Lights
100 %
Switched Off
Taxi Lights
100 %
Switched On
Ground Speed kt
100 %
30 15 0
Turn Speed
100 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
1 0.5 0
Pitch °
Info
1 0.5 0
Metrics
Metrics

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