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KBOS
Boston, United States
Runway 33L
Elevation16 ft asl
Weight284,191 kg
Fuel95,465 kg
Wind260° · 14 kn · 11 kn cross

Flight Score

96.93 %
KORD
Chicago, United States
Runway 28R
Elevation659 ft asl
Weight263,507 kg
Fuel16,889 kg
Wind209° · 13 kn · 11 kn cross
25 Mar 2026 2:43 840 nm Boeing 747-8 78,575 kg
Departure Score
98.47 %
Enroute Score
99.98 %
Arrival Score
92.33 %

What went well

Landed straight in a 11 kn crosswind — 1.64 m off the centreline, no bounce
Touched down at -252 fpm — a soft arrival
1.18 G at touchdown — inside band

What held you back

Arrival Landing — Flare profile at 0 %, −1.05 points
Arrival Rollout — Runway alignment max 15.78 m left at 54 %, −0.87 points
Departure Roll — Liftoff speed was 181 kt at 80 %, Runway alignment max 6.41 m left at 88 %, −0.43 points

Next time

Departure

Rotate sooner, bringing the nose up at 155 kt rather than letting speed build further.

What happened: You lifted off at 181 kt against a rotation target of 155 kt, rotating late in the ground roll.

Watch for: Watch airspeed and rotate at the target of 155 kt.

See Departure Roll

Arrival

Start the flare with progressive back pressure and keep it coming until the sink is arrested.

What happened: The aircraft was flown onto the runway: the nose was barely raised and little of the sink was taken out, touching down at 252 fpm.

Watch for: Pitch attitude: rising steadily through the flare until the sink is checked.

See 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 · 23 stages, 21 in the score

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 20 minutes and covered 5 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 14 kt0 kt min to max 21 kt 3 7 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 1.00 g1.00 g min to max 1.01 g 1.00 1.00 g
Info Average pitch angle -0.6 °-1.0 ° min to max -0.1 ° -0.9 -0.8 °
Info Average bank angle 0.2 °0.0 ° min to max 0.5 ° 0.1 0.0 °

Events

Info Pitot Heat Switched On 15 ft agl · 6 kt
Info Navigation Lights Switched Off 15 ft agl · 6 kt
Info Pitot Heat Switched Off 15 ft agl · 6 kt
Info Beacon Lights Switched On 15 ft agl · 6 kt
Info Navigation Lights Switched On 15 ft agl · 6 kt
Info Strobe Lights Switched On 15 ft agl · 6 kt
Info Taxi Lights Switched On 15 ft agl · 7 kt
Info Pitot Heat Switched On 15 ft agl · 7 kt
Info Parking Brake On 15 ft agl
Info Autopilot Yaw Damper Activated 15 ft agl
Info Flaps Position 1 15 ft agl
Info Flaps Position 2 15 ft agl
Info Flaps Position 3 15 ft agl
Info Flaps Position 2 15 ft agl
Info Parking Brake Off 15 ft agl
Info Flaps Position 3 15 ft agl
Info Landing Lights Switched On 15 ft agl · 12 kt
Info Pitot Heat Switched Off 15 ft agl · 12 kt
Info Taxi Lights Switched Off 15 ft agl · 12 kt
Info Pitot Heat Switched On 15 ft agl · 11 kt
Departure Runway Entry Entering runway 33L at KBOS Logan International Airport, Average speed was 13 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 7 kt2 kt min to max 8 kt 7 2 kt
Info Average pitch angle -0.8 °-0.9 ° min to max -0.8 ° -0.8 -0.8 °
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 93.52Departure roll runway 33L at KBOS Logan International Airport. Takeoff distance 1,407 m 50 % of runway. Liftoff speed was 181 kt. Local weather - Temperature 6 °C. Wind 14 kt at 260 °. Crosswind: 11 kt Headwind: 8 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 1,407 m50 % of runway
80 % Liftoff speed was 181 ktTarget 155 kt
88 % Runway alignment max 6.41 m left6.41 m left to 0.00 m left 5.40 4.34 m
100 % Average g force 1.00 g0.91 g min to max 1.09 g 1.00 1.09 g
100 % Takeoff Bounce
Info Average pitch angle 0.0 °-0.8 ° min to max 5.4 ° -0.8 5.4 °
Info Average bank angle 0.6 °0.0 ° min to max 1.7 ° 0.0 1.7 °
Departure Climb 1 100.00Departure climb to 50 ft agl from runway 33L KBOS Logan International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.0 °-0.2 ° min to max 0.2 ° -0.2 0.2 °
100 % Average speed 189 kt181 kt min to max 195 kt 181 195 kt
100 % Average bank angle 0.8 °0.0 ° min to max 1.7 ° 1.7 0.5 °
100 % Average g force 1.15 g1.09 g min to max 1.25 g 1.10 1.25 g
Info Average VSI 516 fpm69 fpm min to max 1,124 fpm 69 1,124 fpm
Info Average altitude 19 ft agl0 ft agl min to max 50 ft agl 0 50 ft agl
Info Average pitch angle 6.9 °5.5 ° min to max 9.2 ° 5.5 9.2 °
Departure Climb 2 98.82Departure climb to 400 ft agl from 33L KBOS Logan International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.3 °0.2 ° min to max 0.4 ° 0.2 0.4 °
100 % Average speed 195 kt193 kt min to max 196 kt 195 193 kt
95 % Average bank angle 0.9 °0.0 ° min to max 3.8 ° 0.3 1.1 °
100 % Average g force 1.24 g1.18 g min to max 1.25 g 1.25 1.18 g
Info Average VSI 1,749 fpm1,182 fpm min to max 3,779 fpm 1,182 3,779 fpm
Info Average altitude 100 ft agl54 ft agl min to max 323 ft agl 54 323 ft agl
Info Average pitch angle 11.1 °9.4 ° min to max 16.5 ° 9.4 16.5 °

Events

Info Landing Gear Up 218 ft agl · 191 kt
Info Pitot Heat Switched Off 218 ft agl · 191 kt
Info Pitot Heat Switched On 342 ft agl · 189 kt
Departure Climb 3 100.00Departure climb to 1,000 ft agl from 33L KBOS Logan International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.4 °0.3 ° min to max 0.4 ° 0.4 0.3 °
100 % Average speed 187 kt184 kt min to max 192 kt 192 184 kt
100 % Average bank angle 1.5 °0.8 ° min to max 1.9 ° 0.8 1.5 °
100 % Average g force 0.96 g0.92 g min to max 1.09 g 1.09 0.92 g
100 % Landing gear up
Info Average VSI 4,279 fpm4,093 fpm min to max 4,389 fpm 4,165 4,093 fpm
Info Average altitude 687 ft agl398 ft agl min to max 968 ft agl 398 968 ft agl
Info Average pitch angle 15.7 °14.7 ° min to max 16.4 ° 16.4 14.7 °
Enroute Climb 100.00Enroute climb started overhead KBOS Logan International Airport Boston (Massachusetts, United States). Climbing from 1,070 ft asl to 38,099 ft asl, an increase of 37,029 ft in 19 minutes and covering 114 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 282 kt184 kt min to max 305 kt 184 262 kt
100 % Average bank angle 5.5 °0.0 ° min to max 27.0 ° 1.8 0.1 °
100 % Average g force 1.00 g0.72 g min to max 1.35 g 0.92 1.03 g
Info Average VSI 2,358 fpm-79 fpm min to max 6,902 fpm 3,995 84 fpm
Info Average altitude 19,359 ft asl1,070 ft asl min to max 38,107 ft asl 1,070 38,099 ft asl
Info Average pitch angle 5.4 °2.1 ° min to max 17.5 ° 14.4 3.0 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Position 2 1,115 ft agl · 182 kt
Info Autopilot Master Switched On 1,179 ft agl · 183 kt
Info Autopilot Heading Hold Activated 1,179 ft agl · 183 kt
Info Autopilot Glideslope Active Activated 1,179 ft agl · 183 kt
Info Autopilot Nav1 Lock Activated 1,396 ft agl · 186 kt
Info Autopilot Glideslope Active Deactivated 1,396 ft agl · 186 kt
Info Flaps Position 1 1,593 ft agl · 195 kt
Info Flaps Fully Retracted 1,637 ft agl · 198 kt
Info Autopilot Heading Hold Deactivated 2,165 ft agl · 255 kt
Info Autopilot Flight Director Activated 9,608 ft agl · 283 kt
Info Landing Lights Switched Off 10,251 ft agl · 304 kt
Info Pitot Heat Switched Off 10,251 ft agl · 304 kt
Info Pitot Heat Switched On 10,284 ft agl · 305 kt
Info Autopilot Altitude Hold Activated 35,488 ft agl · 488 kt
Enroute Level 100.00Enroute level cruise started 3 miles north west of South Shaftsbury (Vermont, United States) and lasted 72 minutes, covering 498 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±2,405 ft of 39,001 ft asl38,103 ft asl min to max 39,472 ft asl 38,108 39,466 ft asl
100 % Average speed 261 kt260 kt min to max 263 kt 263 260 kt
100 % Average bank angle 3.7 °0.0 ° min to max 19.9 ° 0.1 9.6 °
100 % Average g force 1.01 g0.93 g min to max 1.13 g 1.00 1.02 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 2.6 °2.0 ° min to max 4.0 ° 2.5 2.5 °

Events

Info Autopilot Altitude Hold Deactivated 37,371 ft agl · 487 kt
Info Autopilot Altitude Hold Activated 37,634 ft agl · 488 kt
Enroute Descent 100.00Enroute descent started 1 mile south of DeWitt (Michigan, United States). Descent from 39,466 ft asl to 13,713 ft asl, a decrease of 25,753 ft in 13 minutes and covering 78 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 280 kt258 kt min to max 312 kt 260 258 kt
100 % Average bank angle 1.0 °0.0 ° min to max 9.0 ° 9.0 0.1 °
100 % Average g force 1.00 g0.66 g min to max 1.19 g 1.04 1.01 g
Info Average VSI -1,852 fpm-3,520 fpm min to max 228 fpm -46 -42 fpm
Info Average altitude 27,278 ft asl13,712 ft asl min to max 39,476 ft asl 39,466 13,713 ft asl
Info Average pitch angle -0.8 °-2.8 ° min to max 2.8 ° 2.7 2.0 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Autopilot Altitude Hold Deactivated 38,623 ft agl · 484 kt
Info Autopilot Glideslope Active Activated 38,623 ft agl · 484 kt
Info Autopilot Glideslope Active Deactivated 31,525 ft agl · 481 kt
Info Autopilot Glideslope Active Activated 31,409 ft agl · 476 kt
Info Autopilot Altitude Hold Activated 27,946 ft agl · 476 kt
Info Autopilot Glideslope Active Deactivated 27,946 ft agl · 476 kt
Info Autopilot Altitude Hold Deactivated 27,349 ft agl · 406 kt
Info Autopilot Glideslope Active Activated 27,349 ft agl · 406 kt
Info Autopilot Altitude Hold Activated 13,394 ft agl · 357 kt
Info Autopilot Glideslope Active Deactivated 13,394 ft agl · 357 kt
Enroute Level 2 100.00Enroute level cruise started 2 miles north of South Haven (Michigan, United States) and lasted 16 minutes, covering 55 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±1,186 ft of 13,731 ft asl13,709 ft asl min to max 13,744 ft asl 13,712 13,744 ft asl
100 % Average speed 207 kt194 kt min to max 251 kt 251 195 kt
100 % Average bank angle 0.1 °0.0 ° min to max 0.3 ° 0.1 0.0 °
100 % Average g force 1.00 g0.95 g min to max 1.03 g 1.00 1.00 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 2.5 °1.5 ° min to max 3.6 ° 2.3 2.0 °

Events

Info Flaps Position 1 13,151 ft agl · 282 kt
Info Flaps Position 2 13,141 ft agl · 267 kt
Info Flaps Position 3 13,155 ft agl · 246 kt
Enroute Descent 2 100.00Enroute descent started 11 miles north east of Kenilworth (Illinois, United States). Descent from 13,745 ft asl to 9,787 ft asl, a decrease of 3,958 ft in 5 minutes and covering 17 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 184 kt178 kt min to max 200 kt 195 180 kt
100 % Average bank angle 4.6 °0.0 ° min to max 20.3 ° 0.2 0.3 °
100 % Average g force 1.01 g0.91 g min to max 1.18 g 1.00 1.03 g
Info Average VSI -783 fpm-2,193 fpm min to max 95 fpm 2 -12 fpm
Info Average altitude 11,242 ft asl9,787 ft asl min to max 13,748 ft asl 13,745 9,787 ft asl
Info Average pitch angle 1.2 °-3.9 ° min to max 4.4 ° 2.0 3.8 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Autopilot Altitude Hold Deactivated 13,174 ft agl · 241 kt
Info Autopilot Glideslope Active Activated 13,174 ft agl · 241 kt
Info Autopilot Altitude Hold Activated 9,264 ft agl · 210 kt
Info Autopilot Glideslope Active Deactivated 9,264 ft agl · 210 kt
Enroute Level 3 100.00Enroute level cruise started 2 miles south of Northbrook (Illinois, United States) and lasted 10 minutes, covering 35 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±990 ft of 9,793 ft asl9,761 ft asl min to max 9,816 ft asl 9,793 9,796 ft asl
100 % Average speed 180 kt178 kt min to max 182 kt 180 180 kt
100 % Average bank angle 19.0 °0.0 ° min to max 28.6 ° 0.1 0.1 °
100 % Average g force 1.07 g0.87 g min to max 1.27 g 1.00 1.00 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 3.9 °1.6 ° min to max 6.4 ° 3.4 3.3 °

Events

Info Autopilot Nav1 Lock Deactivated 9,154 ft agl · 209 kt
Info Autopilot Heading Hold Activated 9,154 ft agl · 209 kt
Enroute Descent 3 100.00Enroute descent started overhead Chicago (Illinois, United States). Descent from 9,796 ft asl to 3,384 ft asl, a decrease of 6,412 ft in 5 minutes and covering 18 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 183 kt177 kt min to max 197 kt 180 179 kt
100 % Average bank angle 18.0 °0.0 ° min to max 27.6 ° 0.3 0.0 °
100 % Average g force 1.06 g0.85 g min to max 1.23 g 1.00 1.00 g
Info Average VSI -976 fpm-2,798 fpm min to max 489 fpm 22 -914 fpm
Info Average altitude 6,620 ft asl3,384 ft asl min to max 9,802 ft asl 9,796 3,384 ft asl
Info Average pitch angle 1.0 °-4.8 ° min to max 5.8 ° 3.3 0.7 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Autopilot Altitude Hold Deactivated 9,218 ft agl · 210 kt
Info Autopilot Glideslope Active Activated 9,218 ft agl · 210 kt
Info Autopilot Altitude Hold Activated 4,522 ft agl · 210 kt
Info Autopilot Glideslope Active Deactivated 4,522 ft agl · 210 kt
Info Autopilot Altitude Hold Deactivated 4,255 ft agl · 190 kt
Info Autopilot Glideslope Active Activated 4,255 ft agl · 190 kt
Info Autopilot Altitude Hold Activated 3,084 ft agl · 189 kt
Info Autopilot Glideslope Active Deactivated 3,084 ft agl · 189 kt
Info Autopilot Altitude Hold Deactivated 3,003 ft agl · 186 kt
Info Autopilot Glideslope Active Activated 3,003 ft agl · 186 kt
Enroute Level 4 99.82Enroute level cruise started 7 miles east of Rogers Park (Illinois, United States) and lasted 6 minutes, covering 14 nm.
ScoreDescriptionStartProfileEnd
99 % Altitude held within ±662 ft of 2,614 ft asl1,927 ft asl min to max 3,236 ft asl 3,236 1,927 ft asl
100 % Average speed 154 kt147 kt min to max 180 kt 180 149 kt
100 % Average bank angle 7.1 °0.0 ° min to max 26.3 ° 0.0 0.1 °
100 % Average g force 1.01 g0.89 g min to max 1.21 g 1.00 1.00 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 1.0 °-1.8 ° min to max 5.7 ° 0.8 -0.3 °

Events

Info Flaps Position 4 2,606 ft agl · 188 kt
Info Autopilot Altitude Hold Activated 2,398 ft agl · 179 kt
Info Autopilot Glideslope Active Deactivated 2,398 ft agl · 179 kt
Info Autopilot Heading Hold Deactivated 2,249 ft agl · 156 kt
Info Autopilot Approach Mode Activated 2,249 ft agl · 156 kt
Info Autopilot Altitude Hold Deactivated 2,254 ft agl · 154 kt
Arrival Final 4 100.00Approaching runway 28R at KORD Chicago O'Hare International Airport from 4 nm to 3 nm. Descent from 1,256 ft agl to 956 ft agl. A decrease of 300 ft in 24 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °3.0 ° min to max 3.0 °Target 3.0 ° 3.0 3.0 °
100 % Average speed 150 kt149 kt min to max 150 kt 149 149 kt
100 % Heading variation 0.0 °0.0 ° min to max 0.1 ° 0.0 0.1 °
100 % Average bank angle 0.6 °0.0 ° min to max 1.5 ° 0.1 1.0 °
100 % Average g force 1.00 g0.99 g min to max 1.00 g 1.00 1.00 g
Info Average VSI -718 fpm-740 fpm min to max -678 fpm -704 -734 fpm
Info Average altitude 1,107 ft agl956 ft agl min to max 1,256 ft agl 1,256 956 ft agl
Info Average pitch angle -0.6 °-0.7 ° min to max -0.3 ° -0.3 -0.6 °
33.253.53.7548509009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500Distance to Touchdown NMApproach Height ft33.253.53.754-130-98-65-330336598130Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 3 100.00Approaching runway 28R at KORD Chicago O'Hare International Airport from 3 nm to 2 nm. Descent from 944 ft agl to 577 ft agl. A decrease of 367 ft in 24 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 2.9 °2.7 ° min to max 3.0 °Target 3.0 ° 3.0 2.7 °
100 % Average speed 146 kt142 kt min to max 150 kt 149 143 kt
100 % Heading variation 0.3 °0.1 ° min to max 0.4 ° 0.1 0.4 °
100 % Average bank angle 1.2 °0.3 ° min to max 1.6 ° 1.4 1.3 °
100 % Average g force 1.00 g0.97 g min to max 1.04 g 1.00 1.04 g
Info Average VSI -868 fpm-1,017 fpm min to max -729 fpm -729 -785 fpm
Info Average altitude 761 ft agl577 ft agl min to max 944 ft agl 944 577 ft agl
Info Average pitch angle -0.2 °-1.2 ° min to max 1.2 ° -0.7 1.2 °

Events

Fail GPWS Warning Activated still on from an earlier stage 953 ft agl · 152 kt
Info GPWS Warning Deactivated 926 ft agl · 152 kt
22.252.52.7535005506006507007508008509009501,0001,0501,100Distance to Touchdown NMApproach Height ft22.252.52.753-110-83-55-280285583110Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 2 100.00Approaching runway 28R at KORD Chicago O'Hare International Airport from 2 nm to 1 nm. Descent from 566 ft agl to 295 ft agl. A decrease of 271 ft in 25 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 2.9 °2.7 ° min to max 3.0 °Target 3.0 ° 2.7 2.9 °
100 % Average speed 145 kt144 kt min to max 147 kt 144 144 kt
100 % Heading variation 0.1 °-0.1 ° min to max 0.4 ° 0.4 -0.1 °
100 % Average bank angle 1.2 °0.1 ° min to max 2.7 ° 0.4 1.1 °
100 % Average g force 1.00 g0.94 g min to max 1.05 g 1.03 1.02 g
Info Average VSI -620 fpm-945 fpm min to max -228 fpm -727 -599 fpm
Info Average altitude 450 ft agl295 ft agl min to max 566 ft agl 566 295 ft agl
Info Average pitch angle 0.5 °-0.8 ° min to max 1.9 ° 1.3 0.7 °
11.251.51.752200250300350400450500550600650700750Distance to Touchdown NMApproach Height ft11.251.51.752-90-68-45-23023456890Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 1 90.00Approaching runway 28R at KORD Chicago O'Hare International Airport from 1 nm to 0 nm. Descent from 286 ft agl to 69 ft agl. A decrease of 217 ft in 20 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.7 °2.9 ° min to max 4.4 °Target 3.0 ° 2.9 4.4 °
100 % Average speed 140 kt139 kt min to max 143 kt 143 139 kt
100 % Heading variation 0.1 °-0.1 ° min to max 0.1 ° -0.1 0.1 °
100 % Average bank angle 0.5 °0.1 ° min to max 1.1 ° 0.4 0.1 °
100 % Average g force 1.00 g0.98 g min to max 1.02 g 1.01 1.02 g
Info Average VSI -584 fpm-685 fpm min to max -546 fpm -563 -555 fpm
Info Average altitude 119 ft agl69 ft agl min to max 286 ft agl 286 69 ft agl
Info Average pitch angle 1.8 °0.3 ° min to max 2.6 ° 0.7 2.6 °

Events

Fail Gear not down
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-70-53-35-18018355370Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 74.69Landing on runway 28R at KORD Chicago O'Hare International Airport, runway length 3,951 m. Threshold height at 56 ft agl was slightly above target. Threshold speed was good at 138 kt.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was good at 138 kt. Target 139 kt
99 % Threshold height at 56 ft agl was slightly above target.Target 50 ft agl
0 % Very poor landing flare
100 % Runway alignment max 0.03 m left0.03 m left to 0.01 m left 0.03 0.01 m
100 % Average bank angle 0.2 °0.0 ° min to max 0.6 ° 0.0 0.5 °
100 % Average g force 1.02 g0.98 g min to max 1.04 g 1.02 0.98 g
Info Average speed 136 kt130 kt min to max 138 kt 138 130 kt
Info Average VSI -351 fpm-553 fpm min to max -174 fpm -553 -176 fpm
Info Average altitude 21 ft agl-1 ft agl min to max 56 ft agl 56 -1 ft agl
Info Average pitch angle 4.0 °2.6 ° min to max 5.3 ° 2.6 5.1 °

Events

Info Autopilot Nav1 Lock Activated 38 ft agl · 137 kt
Info Autopilot Approach Mode Deactivated 38 ft agl · 137 kt
Info Autopilot Glideslope Active Activated 38 ft agl · 137 kt
07515022530037545052560067575082501123344657Runway Distance mLanding Height ft075150225300375450525600675750825-25-20-15-10-50510152025Runway Distance mRunway Width m
Arrival Touchdown 94.85Touchdown point was 315 m beyond the touchdown zone. Touchdown speed at 130 kt was good. Touchdown rate was good at -176 fpm. Runway touchdown alignment was very good. Local weather - Temperature 12 °C. Wind 13 kt at 209 °. Crosswind: 11 kt Headwind: 6 kt.
ScoreDescriptionStartProfileEnd
97 % Touchdown rate was -176 fpm.
70 % Touchdown distance was 731 mTarget 457 m
100 % Speed at touchdown 130 ktTarget below 136 kt
100 % Runway alignment max 1.81 m left1.68 m left 1.81 1.64 m
100 % Average bank angle 0.3 °0.0 ° min to max 0.5 ° 0.5 0.2 °
100 % Average g force 1.11 g0.98 g min to max 1.18 g 0.98 1.06 g
100 % Landing Bounce
Info Average speed 130 kt129 kt min to max 130 kt 130 129 kt
Info Average pitch angle 4.7 °4.4 ° min to max 5.1 ° 5.1 4.4 °
Arrival Rollout 79.11Total landing distance 1,498 m, 38 % of runway. Runway rollout alignment was misaligned by 15.8 m from centreline.
ScoreDescriptionStartProfileEnd
100 % Landing distance 1,498 m38 % of runway.
54 % Runway alignment max 15.78 m left15.78 m left to 0.00 m left 1.65 5.25 m
100 % Average g force 1.01 g0.99 g min to max 1.05 g 1.05 1.02 g
Info Average speed 115 kt64 kt min to max 123 kt 123 64 kt
Info Average pitch angle 2.6 °-1.3 ° min to max 4.3 ° 4.3 -0.5 °
Info Average bank angle 1.9 °0.1 ° min to max 3.6 ° 0.3 1.1 °
Runway Exit Exiting runway, average speed 29 kt
ScoreDescriptionStartProfileEnd
Info Average speed 26 kt20 kt min to max 57 kt 57 20 kt
Info Average pitch angle -0.5 °-0.6 ° min to max -0.4 ° -0.5 -0.6 °
Info Average bank angle 0.4 °0.0 ° min to max 0.7 ° 0.7 0.6 °
Info Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g

Events

Info Autopilot Nav1 Lock Deactivated 15 ft agl · 19 kt
Arrival Taxi 100.00Taxiing to the parking from the runway took 4 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 9 kt0 kt min to max 20 kt 20 0 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 1.00 g0.99 g min to max 1.00 g 1.00 1.00 g
Info Average pitch angle -0.6 °-0.9 ° min to max -0.4 ° -0.6 -0.9 °
Info Average bank angle 0.1 °0.0 ° min to max 0.6 ° 0.6 0.0 °

Events

Info Landing Lights Switched Off 15 ft agl
Info Taxi Lights Switched On 15 ft agl
Info Flaps Position 1 15 ft agl · 8 kt
Info Flaps Fully Retracted 15 ft agl · 8 kt
Info Autopilot Glideslope Active Deactivated 15 ft agl

Takeoff from KBOS 33L

Taxi out

LightsOk
All on
Taxi speed100.00
21kt peak

The roll

Takeoff roll100.00
1,407m50 %
Runway alignment87.73
6.41m L
Liftoff speed79.85
180kttarget 155, 25 late

Liftoff and climb

35 ft
194ktat 8.4°, 3.2 s after liftoff
Bounce on takeoffOk
None
Bank after liftoff100.00
1.7°steepest

Plan view the roll down the 2,804 m runway.

Rolled from 190 m in, drifted left of the centreline, 6.6 m at the widest, and lifted off 4.4 m left, in 10 kn of crosswind from the left. Airborne 50 % of the way down the runway, before the 75 % line.

How to read this

The roll from above, with your left at the top. The line is where the wheels went, and "widest" is the furthest you drifted off the centreline. Lifting off before the amber 75 % line gets full marks for the roll length. The arrow beside the runway is the crosswind, pointing the way the air was moving, so it pushed the aircraft that way.

1,0002,000THRESHOLDLEFT ↑RIGHT ↓CROSS10 kn75 %widest 6.61 m LROLL 190 M INAirborne 1,414 m from the threshold
Your trackRunway used in the rollCentreline75 %: lift off before it for full marks
Runway to liftoff 1,414 m of 2,804 m · 50 %
Behind the start of the roll, 190 mTakeoff roll, 1,224 m Left ahead, 1,390 m

Side view from the start of the roll to the end of Climb 3 at 969 ft.

Reached 35 ft with 1,104 m of runway left; then climbing at 3,040 fpm on average to 969 ft.

How to read this

The takeoff from the side: the height above the runway against the distance along it. The numbers along the runway are the speeds reached at each point. Lifting off in the amber last quarter of the runway costs marks for the roll length. The shaded stretch is Climb 3, scored on its average speed against the target.

1,000 ft500 ft0CLIMB 3THRESHOLDRUNWAY END6080100120140160KNOTS ALONG THE ROLLLiftoff 180 kt
On the runwayClimbingLast quarter of the runwayClimb 3

Speed and pitch from brake release to the end of the climb, against time.

How to read this

Two traces from brake release: the airspeed on top, and below it the pitch, which is how far the nose is above the horizon. The figure at liftoff is the pitch then. The grey dashed line across the pitch is the attitude held from 35 ft to the end: a nose held steady is a climb speed that holds, and the airspeed trace sits directly above it to compare. The shaded stretch is Climb 3, the part of the climb scored on holding the climb speed.

210 kt14070020°10°0°LIFTOFFheld 11.4°5.5° off8° at 35 ftAIRSPEEDPITCH02040 sfrom brake release
AirspeedPitchClimb attitude heldClimb 3

The stabilisation gates

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

Seven checks, two gates1,000 ft 500 ft
Gear down
Landing flap
Sink rate
On glideslope
On centreline
On speed
Wings level

At the 1,000 ft gate: gear still up.

At the 500 ft gate: gear still up.

When the approach was stable

Never every check met at once: gear up all the way.

How to read this

Each line is one of the gate checks, run along the whole final rather than only at the gates: green where it would have passed, amber where it would not. The glideslope, centreline and speed lines use the bands in the charts beside this card. The sink rate is allowed what the glideslope needs at your ground speed plus 600 fpm, the wings 10° of bank, and the gear and flap are read from when you moved the levers. The bottom line is green where every check held at once, ignoring blips shorter than 0.2 nm, and the sentence above it says from where it held to the threshold. A ring is a stabilisation gate, where the checks in the table were taken.

Gear downLanding flapSink rateOn glideslopeOn centrelineOn speedWings levelAll checks4 nm321THR
Check metNot metStabilisation gate

The approach to KORD 28R

The final from 4 nm, with the stabilisation gates on it.

Profile height against the 3° glideslope, with its 1° band in green.

Inside the glideslope band from 4 nm to the threshold, never more than 80 ft below the slope.

How to read this

Your height above the runway against the distance still to go. The glideslope is the steady descent path to the aiming point, 305 m past the threshold: 3° here, which is about 320 ft for every nautical mile out, crossing the threshold at about 50 ft. The row under the distances is the height it puts you at. Inside the green band your path is drawn green; outside it, amber. A ring is a stabilisation gate: green when every check there passed, amber with the failed checks named beside it.

5001,0001,5002,000 ft4 nm3 nm2 nm1 nmTHRON SLOPE1,3301,0106903703° GLIDESLOPE · 1° BAND1,2906193261911,000 ft gate6 of 7gear down1,029 ft · 150 kt500 ft gate6 of 7gear down510 ft · 146 kt
GlideslopeAllowed bandYou, inside the bandYou, outside itYour height thereStabilisation gate

Plan distance off the extended centreline, your left at the top, with the 1° band. Sideways distances are drawn 10× larger than distances along the final.

Inside the 1° band all the way from 4 nm, never more than 36 m off the centreline.

How to read this

Looking down from above, flying left to right towards the runway: up the page is left of the centreline, down is right. Sideways distances are stretched so that small drifts show, so a line that looks wild here may be only a few tens of feet. The labels are how far off you were at each distance, amber when outside the band.

4 nm3 nm2 nm1 nmTHR91 m L091 m RLEFT ↑RIGHT ↓1° BAND3 m R36 m L4 m R3 m R2 m R20 m L
Extended centreline1° either sideYour trackOutside the bandStabilisation gate

Speed against the approach speed. The green band runs from 5 kt slow to 35 kt fast at the 1,000 ft gate, closing to 21 at 500 ft and 10 at the threshold.

Inside the speed band all the way, between −1 kt and +10 kt on the approach speed of 140 kt.

How to read this

Your indicated airspeed down the final, against the approach speed for this aircraft at its landing weight. The band allows 5 kt slow and more on the fast side further out, closing as you get lower, because the speed is expected to come off on the way down. The figures are knots above (+) or below (−) the approach speed.

140160180200 kt4 nm3 nm2 nm1 nmTHRAPPROACH SPEED 140+9 kt+2 kt+6 kt+1 kt−1 kt
Your airspeedApproach speedWhat the gates allowOutside the bandStabilisation gate

Landing and touchdown on KORD 28R

Over the threshold

Threshold height98.76
55ft
Threshold speed100.00
138kttarget 140, 2 slow
Centreline offset100.00
0.03m L
Bank100.00
0.6°steepest
Flare0.00

Very poor landing flare

Touchdown

Past threshold70.00
731m
Centreline100.00
1.81m L
Speed100.00
130kttarget 136 or less
Touchdown rate97.40
-252fpm
Impact100.00
1.18G
BouncesOk
None
Bank100.00
0.5°as the wheels touched

Rollout

Rollout distance100.00
727m37 % used
Rollout alignment53.58
15.78m L

Taxi in

LightsOk
All set
Taxi speed100.00
20kt peak

Side view — the last 1,581 m of the approach.

Crossed the threshold at 55 ft, close to the 50 ft target. Touched down 731 m in, 427 m past the ideal 305 m.

How to read this

The last stretch of the approach and the touchdown, from the side. The height is stretched so that the last few feet show: 80 ft top to bottom, against 1,581 m across. The dashed line is the ideal, 50 ft over the threshold and down 305 m in. The flare ring is where you began raising the nose, and "descent slowed" is where the sink came off; the figures beside them are the sink rate, pitch and speed at that point.

55 ft over the threshold · target 50 ft FLARE NORMALLY STARTS 11–45 FT 80 ft400 −252 fpm · 5.1° nose up · 130 kt Ideal — 50 ft, down at 305 m This flight — 55 ft, down at 731 m

Sink and pitch — through the flare, lined up with the side view.

The sink went from 500 fpm at 55 ft to 250 fpm at touchdown. The nose came up 2.5° on the way down. Into 55 ft at 138 kt, on the 140 kt approach speed, and 130 kt at touchdown.

How to read this

Lined up with the side view above, so a point on one sits under the same point of the other. On top, how fast you were coming down: 0 is level, and −600 is 600 ft a minute down. Below, the pitch. In a flare the nose comes up and the descent slows towards 0. The figure at the touchdown line is your touchdown rate.

SINK RATE FPM · 0 IS LEVEL, LOWER IS COMING DOWN FASTERPITCH · HIGHER IS NOSE UP0−500−1,0000°5°10°touchdown−252 fpm at touchdown5.1° at touchdown
Sink ratePitchFlare began, descent slowedTouchdown

Plan view — the first 1,581 m of the 3,951 m runway, to the same scale as the side view.

Touched down 1.6 m left of the centreline and drifted to 13 m left on the rollout. 11 kt across from the left, which takes about 5° of crab to hold the centreline at 130 kt. Touched down with 5° of it still on, wings level.

Wind 209° at 13 kt · 6 kt head · 11 kt across

How to read this

The runway from above, with your left at the top. Touching down inside the green bracket scores full marks for the distance. The shaded part is the rollout, up to where it ended. The arrow beside the runway is the crosswind, pointing the way the air was moving, so it pushed the aircraft that way. The wind is the one recorded at the landing, split along the runway (headwind or tailwind) and across it. To hold the centreline in a crosswind the nose points a little into wind - the crab - and is straightened with rudder just before the wheels touch, often with the into-wind wing lowered to stop the drift. The sentence gives the nose against the direction you were actually moving as the wheels touched, and the steepest bank as they touched, the figure the touchdown's Bank tile marks. The rest of it is shown for reading, not marked.

5001,0001,500 THRESHOLD LEFT ↑ RIGHT ↓ CROSS 11 kn FULL SCORE TO 503 M 731 m past threshold ROLLOUT ENDED
Your trackTouchdownRolloutCentreline

Touched down 731 m past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 1,459 m of 3,951 m · 37 %
In the air over the runway, 731 mRollout, 727 m Left over, 2,492 m

The stop — touchdown to taxi speed.

From 124 kt at touchdown to taxi speed (30 kt) in 21 s, an average deceleration of 0.24 g.

How to read this

Your ground speed from the moment the wheels touched until you were down to taxi speed, against the distance rolled. A steep line is hard braking, a shallow one a long, gentle roll. For scale, an airliner's lowest autobrake setting decelerates at about 0.15 g, a medium one about 0.3 g. Shown for reading; not marked.

0408012060 kt · 797 m30 kt · 931 mtouchdown968 mkt
Your ground speed60 kt and taxi speed

The rest of the report

Explore in detail

Flight narrative

The flight departed from Logan International Airport, KBOS, runway 33L, with a takeoff distance of 1,407 meters, which was 50% of the runway length. The aircraft lifted off at a speed of 181 knots, with a local temperature of 6°C and wind conditions of 14 knots at 260°, resulting in a crosswind of 11 knots and a headwind of 8 knots. The aircraft then began its enroute climb, departing from the airport and ascending to 38,099 feet above sea level in 19 minutes, covering a distance of 114 nautical miles.

The enroute climb was followed by a level cruise, which started 3 miles northwest of South Shaftsbury, Vermont, and lasted for 72 minutes, covering a distance of 498 nautical miles. The aircraft then began its descent, initially from 39,466 feet to 13,713 feet above sea level in 13 minutes, covering 78 nautical miles. This was followed by a series of level cruises and descents, with the final descent starting overhead Chicago, Illinois, and ending with a landing on runway 28R at KORD Chicago O'Hare International Airport. The landing was executed with a threshold height of 56 feet above ground level, slightly above target, and a threshold speed of 138 knots, which was good. The touchdown point was 314 meters beyond the touchdown zone, with a touchdown speed of 130 knots and a touchdown rate of -176 feet per minute, both of which were good.

The total landing distance was 1,498 meters, which was 38% of the runway length. The runway rollout alignment was misaligned by 15.8 meters from the centerline. The taxiing to the parking from the runway took 4 minutes and covered less than 1 nautical mile. The total flight distance was 840 nautical miles, taking 163 minutes, and the aircraft used 78,575 kilograms of fuel.

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