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KBOS
Boston, United States
Runway 22L
Elevation16 ft asl
Weight635,654 lbs
Fuel179,275 lbs
Wind250° · 13 kn · 10 kn cross

Flight Score

92.51 %
KBOS
Boston, United States
Runway 22L
Elevation16 ft asl
Weight540,814 lbs
Fuel16,739 lbs
Wind230° · 15 kn · 8 kn cross
4 Jul 2024 0:07 13 nm Boeing 777-300 162,536 lbs
Departure Score
90.02 %
Enroute Score
99.29 %
Arrival Score
86.15 %

What went well

Touched down at -252 ft/m — a soft arrival
Threshold crossed at 46 ft and 146 kt — both inside band
Straight touchdown — 1.6 ft off the centreline, no bounce

What held you back

Arrival Landing — GPWS warning; Landing and flare profile at 0 %, −2.08 points
Arrival Touchdown — Touchdown distance was 3,034 ft at 0 %, −1.36 points
Departure Climb 3 — bank angle up to 34.1 ° at 15 %, −1.13 points

Top opportunity

Shorten the long landing

Arrival Touchdown

Ground effect becomes significant below about one wingspan of height. A Cessna 172, with a 36 ft span, enters ground effect at flare height - the float it feels in the hold-off is ground effect arriving on cue. An A320, with a span around 117 ft, has been in ground effect since before the threshold and there is no sudden cushion to feel, only a gradual reduction in induced drag that lengthens any float you allow.

Read more in Flare Timing

Start to finish · 13 stages, 12 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 90.00Taxiing from the parking to the runway took less than 1 minute. and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 0 kn0 kn min to max 0 kn 0 0 kn
100 % Average speed turning corners 0 knmax 0 kn 0 0 kn
100 % Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g
Info Average pitch angle 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °
Info Average bank angle 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °

Events

Fail Taxi Lights
Info Battery Master On 16 ft agl
Info Engine 1 Started 16 ft agl
Info Engine 2 Started 16 ft agl
Info Landing Gear Down 16 ft agl
Info Flaps Position 2 16 ft agl
Departure Roll 92.79Departure roll runway 22L at KBOS Logan Intl. Takeoff distance 0 ft 0 % of runway. Liftoff speed was 173 kn. Local weather - Temperature 82 °F. Wind 13 kn at 250 °. Crosswind: 10 kn Headwind: 8 kn.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 0 ft0 % of runway
100 % Liftoff speed was 173 knTarget 180 kn
89 % Runway alignment max 20.0 ft0.0 ft left to 20.0 ft right -3.6 -20.0 ft
100 % Average g force 1.00 g0.88 g min to max 1.10 g 1.00 1.06 g
100 % Takeoff Bounce
Info Average pitch angle 0.3 °-0.7 ° min to max 7.7 ° -0.4 7.7 °
Info Average bank angle 0.3 °0.0 ° min to max 0.9 ° 0.0 0.9 °

Events

Fail Landing Lights
Info Landing Lights Switched Off 13 ft agl · 9 kt
Info Taxi Lights Switched Off 13 ft agl · 9 kt
Info Parking Brake Off 13 ft agl · 9 kt
Info Flaps Position 2 13 ft agl · 9 kt
Departure Climb 1 100.00Departure climb to 50 ft agl from runway 22L KBOS Logan Intl.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.2 °0.2 ° min to max 0.2 ° 0.2 0.2 °
100 % Average speed 182 kn173 kn min to max 191 kn 173 191 kn
100 % Average bank angle 0.8 °0.0 ° min to max 1.8 ° 1.0 1.8 °
100 % Average g force 1.10 g1.05 g min to max 1.12 g 1.07 1.05 g
Info Average VSI 350 ft/m36 ft/m min to max 716 ft/m 36 716 ft/m
Info Average altitude 10 ft agl0 ft agl min to max 27 ft agl 0 27 ft agl
Info Average pitch angle 8.0 °7.8 ° min to max 8.3 ° 7.8 7.9 °
Departure Climb 2 84.24Departure climb to 400 ft agl from 22L KBOS Logan Intl.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.2 °-0.4 ° min to max 0.2 ° 0.2 -0.4 °
100 % Average speed 199 kn191 kn min to max 216 kn 191 216 kn
37 % Average bank angle 3.0 °1.4 ° min to max 26.0 ° 1.9 26.0 °
100 % Average g force 1.11 g1.05 g min to max 1.24 g 1.05 1.19 g
Info Average VSI 1,186 ft/m734 ft/m min to max 3,581 ft/m 734 3,581 ft/m
Info Average altitude 67 ft agl28 ft agl min to max 322 ft agl 28 322 ft agl
Info Average pitch angle 9.3 °8.0 ° min to max 15.4 ° 8.0 15.4 °

Events

Info Landing Gear Up 57 ft agl · 200 kt
Departure Climb 3 83.09Departure climb to 1,000 ft agl from 22L KBOS Logan Intl.
ScoreDescriptionStartProfileEnd
100 % Heading variation -1.5 °-1.9 ° min to max -1.3 ° -1.3 -1.9 °
100 % Average speed 217 kn214 kn min to max 219 kn 214 219 kn
15 % Average bank angle 29.4 °25.2 ° min to max 34.1 ° 25.2 34.1 °
100 % Average g force 1.25 g1.17 g min to max 1.32 g 1.17 1.26 g
100 % Landing gear up
Info Average VSI 4,236 ft/m3,887 ft/m min to max 4,617 ft/m 3,887 4,617 ft/m
Info Average altitude 462 ft agl387 ft agl min to max 540 ft agl 387 540 ft agl
Info Average pitch angle 16.4 °15.8 ° min to max 16.9 ° 15.8 16.4 °
Enroute Climb 99.25Enroute climb started overhead MA17 Tailwind Boston Boston (Massachusetts, United States). Climbing from 659 ft asl to 2,645 ft asl, an increase of 1,986 ft in 1 minutes and covering 3 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 231 kn216 kn min to max 248 kn 221 233 kn
99 % Average bank angle 32.2 °28.7 ° min to max 40.3 ° 37.7 29.8 °
95 % Average g force 1.11 g0.69 g min to max 1.68 g 1.30 1.48 g
Info Average VSI 2,691 ft/m-1,636 ft/m min to max 7,467 ft/m 4,928 673 ft/m
Info Average altitude 2,277 ft asl659 ft asl min to max 2,896 ft asl 659 2,645 ft asl
Info Average pitch angle 9.1 °-0.9 ° min to max 19.5 ° 16.6 7.8 °
Info Turn coordination 00 min to max 0 0 0
Enroute Descent 99.34Enroute descent started 2 miles south east of Winthrop (Massachusetts, United States). Descent from 2,671 ft asl to 1,845 ft asl, a decrease of 826 ft in 1 minutes and covering 5 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 212 kn185 kn min to max 232 kn 232 185 kn
98 % Average bank angle 23.3 °1.4 ° min to max 40.8 ° 29.8 29.8 °
100 % Average g force 1.05 g0.76 g min to max 1.41 g 1.30 1.06 g
Info Average VSI -681 ft/m-2,566 ft/m min to max 1,956 ft/m 1,234 -2,566 ft/m
Info Average altitude 2,491 ft asl1,845 ft asl min to max 2,865 ft asl 2,671 1,845 ft asl
Info Average pitch angle 1.7 °-4.0 ° min to max 8.8 ° 7.9 -3.4 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Position 3 2,414 ft agl · 207 kt
Info Landing Gear Down 2,089 ft agl · 201 kt
Info Flaps Position 4 2,041 ft agl · 194 kt
Arrival 96.55Arrival started 2 miles south east of Winthrop (Massachusetts, United States).
ScoreDescriptionStartProfileEnd
100 % Average speed 152 kn124 kn min to max 186 kn 186 147 kn
92 % Average bank angle 10.9 °0.0 ° min to max 33.5 ° 29.6 1.6 °
99 % Average g force 1.05 g0.79 g min to max 1.52 g 1.15 0.96 g
Info Average VSI -862 ft/m-2,924 ft/m min to max 159 ft/m -2,705 -912 ft/m
Info Average altitude 876 ft asl341 ft asl min to max 1,799 ft asl 1,799 341 ft asl
Info Average pitch angle 3.2 °-4.6 ° min to max 8.9 ° -2.5 2.2 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail GPWS Warning Activated 956 ft agl · 144 kt
Fail GPWS Warning Activated 813 ft agl · 136 kt
Info Flaps Position 5 1,145 ft agl · 191 kt
Info Flaps Position 6 1,038 ft agl · 179 kt
Info GPWS Warning Deactivated 845 ft agl · 148 kt
Arrival Final 1 99.29Approaching runway 22L at KBOS Logan Intl from 1 nm to 0 nm. Descent from 309 ft agl to 64 ft agl. A decrease of 244 ft in 19 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.2 °3.0 ° min to max 3.6 °Target 3.0 ° 3.0 3.6 °
100 % Average speed 150 kn147 kn min to max 155 kn 148 147 kn
100 % Heading variation 0.2 °0.1 ° min to max 0.4 ° 0.2 0.1 °
96 % Average bank angle 0.9 °0.0 ° min to max 4.8 ° 3.3 1.0 °
100 % Average g force 1.02 g0.88 g min to max 1.08 g 1.02 1.00 g
Info Average VSI -693 ft/m-968 ft/m min to max -569 ft/m -968 -593 ft/m
Info Average altitude 113 ft agl64 ft agl min to max 309 ft agl 309 64 ft agl
Info Average pitch angle 2.8 °1.0 ° min to max 3.7 ° 2.0 3.7 °

Events

Fail GPWS Warning Activated still on from Arrival 813 ft agl · 136 kt
Fail GPWS Warning Activated 176 ft agl · 159 kt
Info GPWS Warning Deactivated 209 ft agl · 154 kt
Info GPWS Warning Deactivated 135 ft agl · 155 kt
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-150-113-75-3803875113150Distance to Touchdown NMApproach Runway Alignment ft
Arrival Landing 75.00Landing on runway 22L at KBOS Logan Intl, runway length 7,641 ft. Good threshold height. Threshold speed was good at 147 kn.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was good at 147 kn. Target 140 kn
100 % Target 50 ft agl
0 % Landing and flare profile
100 % Heading variation 0.0 °0.0 ° min to max 0.1 ° 0.1 0.0 °
100 % Average bank angle 0.8 °0.0 ° min to max 1.6 ° 1.1 1.1 °
100 % Average g force 1.02 g0.87 g min to max 1.10 g 1.01 1.01 g
Info Average speed 141 kn130 kn min to max 150 kn 147 132 kn
Info Average VSI -233 ft/m-591 ft/m min to max 57 ft/m -591 -252 ft/m
Info Average altitude 24 ft agl0 ft agl min to max 47 ft agl 47 0 ft agl
Info Average pitch angle 5.3 °3.8 ° min to max 6.6 ° 3.8 5.9 °

Events

Fail GPWS Warning Activated 24 ft agl · 138 kt
Info GPWS Warning Deactivated 19 ft agl · 132 kt
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,50001223354658Runway Distance ftLanding Height ft02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,500-90-72-54-36-1801836547290Runway Distance ftRunway Width ft
Arrival Touchdown 83.69Touchdown point was 1,664 ft beyond the touchdown zone. Touchdown speed at 132 kn was good. Touchdown rate was fair at -252 ft/m. Runway touchdown alignment was perfect. Local weather - Temperature 84 °F. Wind 15 kn at 230 °. Crosswind: 8 kn Headwind: 13 kn.
ScoreDescriptionStartProfileEnd
95 % Touchdown VSI was -252 ft/m.
0 % Touchdown distance was 3,034 ftTarget 1,500 ft
100 % Speed at touchdown 132 knTarget 146 kn
100 % Runway alignment max 3.7 ft2.9 ft left 3.7 1.6 ft
100 % Average bank angle 0.6 °0.1 ° min to max 1.1 ° 1.1 0.9 °
100 % Average g force 1.20 g1.01 g min to max 1.31 g 1.01 1.18 g
100 % Landing Bounce
Info Average speed 131 kn128 kn min to max 132 kn 132 128 kn
Info Average pitch angle 5.8 °5.6 ° min to max 5.9 ° 5.9 5.6 °
Arrival Rollout 86.61Total landing distance 6,198 ft, 81 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
76 % Landing distance 6,198 ft81 % of runway.
95 % Runway alignment max 15.7 ft1.2 ft left to 14.5 ft right 1.2 0.4 ft
100 % Average g force 0.99 g0.93 g min to max 1.15 g 1.15 1.00 g
Info Average speed 111 kn64 kn min to max 121 kn 121 64 kn
Info Average pitch angle 3.8 °-0.9 ° min to max 5.6 ° 5.6 -0.2 °
Info Average bank angle 0.4 °0.0 ° min to max 1.4 ° 0.9 0.3 °
Runway Exit Exiting runway, average speed 49 kn
ScoreDescriptionStartProfileEnd
Info Average speed 38 kn11 kn min to max 60 kn 60 11 kn
Info Average pitch angle -0.3 °-0.7 ° min to max 0.2 ° -0.2 -0.4 °
Info Average bank angle 0.3 °0.0 ° min to max 0.5 ° 0.1 0.4 °
Info Average g force 1.00 g0.98 g min to max 1.03 g 1.00 1.00 g

Takeoff

FailTaxi lightsOff
100.00Takeoff roll3,382 ft · 44 %
100.00Liftoff speed172 kt
88.94Runway alignment20.0 ft R
OkBounce on takeoffNone
100.00Rate of climb349 ft/m

Approach

Not assessed1,000 ft gateNot recorded
Not assessed500 ft gateNot recorded
100.00Threshold height46 ft
100.00Threshold speed146 kt
100.00Centreline offset0.1 ft L

Touchdown

0.00Touchdown point3,026 ft
100.00Centreline at touchdown1.6 ft L
100.00Touchdown speed131 kt
94.76Sink rate-252 ft/m
100.00Touchdown force1.31 G
OkBouncesNone
86.61Rollout distance3,034 ft · 79 % used

The stabilisation gates

One stabilised approach gate: five checks where the approach path is 500 ft above the runway. The 1,000 ft gate was not assessed, because the approach did not join final that far out.

Five checks, one gate500 ft
Gear down
Sink rate
On glideslope
On centreline
On speed

Touchdown on KBOS 22L

Past threshold
3,026 ft
Off centreline
1.6 ftL
Sink rate
-252 ft/m
Impact
1.31G

Side view — the last 6,460 ft of the approach.

46 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 1,000 ft This flight — 46 ft, down at 3,026 ft

Plan view — the first 6,460 ft of the 7,641 ft runway, to the same scale as the side view.

1,0002,0003,0004,0005,0006,000 THRESHOLD FULL SCORE TO 1,650 FT 3,026 ft past threshold CLEARED

Touched down 3,026 ft past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 6,060 ft of 7,641 ft · 79 %

The rest of the report

Explore in detail

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 22L at KBOS Logan Intl in the Boeing 777-300
90.02 %
90 %
Taxi
Taxiing from the parking to the runway took less than 1 minute. and covered less than 1 nm.
Taxi Lights
0 %
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
92.79 %
Takeoff Roll
Departure roll runway 22L at KBOS Logan Intl. Takeoff distance 0 ft 0 % of runway. Liftoff speed was 173 kn. Local weather - Temperature 82 °F. Wind 13 kn at 250 °. Crosswind: 10 kn Headwind: 8 kn.
Takeoff Distance
100 %
Roll distance of 0 ft using 0 % of runway
Liftoff Speed
100 %
Liftoff speed was 173 kn - Target 160 kn
Alignment
88.94 %
0.0 ft left to 20.0 ft right
Bounce
100 %
No Bounce Detected
Strobe Lights
100 %
Switched On
Landing Lights
0 %
Switched On
G
100 %
1.5 1 0.5
IAS kt
Info
180 90 0
Bank °
Info
1 0.5 0
Pitch °
Info
8 4 0
01,0002,0003,0004,0005,0006,0007,000-90-80-70-60-50-40-30-20-100102030405060708090 Runway Distance ft Runway Alignment to End of Runway ft
100 %
Climb 1
Departure climb to 50 ft agl from runway 22L KBOS Logan Intl.
Alignment
100 %
2 0 -2
IAS kt
100 %
200 185 170
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Pitch °
Info
9 8 7
Climb Rate fpm
Info
800 350 -100
84.24 %
Climb 2
Departure climb to 400 ft agl from 22L KBOS Logan Intl.
Alignment
100 %
2 0 -2
IAS kt
100 %
220 205 190
Bank °
36.97 %
26 14 1
G
100 %
1.5 1 0.5
Pitch °
Info
16 12 7
Climb Rate fpm
Info
3,600 2,100 600
83.09 %
Climb 3
Departure climb to 1,000 ft agl from 22L KBOS Logan Intl.
Alignment
100 %
2 0 -2
IAS kt
100 %
220 215 210
Bank °
15.45 %
35 30 25
G
100 %
1.5 1 0.5
Pitch °
Info
17 16 15
Climb Rate fpm
Info
4,700 4,200 3,700
01,0002,0003,0004,0005,0006,0007,000064128192256320 Runway Distance ft Height at End of Runway ft
00.250.50100200300400 Climb Distance NM Climb Profile to 1,000 ft
00.250.5-200-160-120-80-4004080120160200 Climb Distance NM Runway Alignment in (ft) to 1,000 ft
Landing report
Landing on runway 22L at KBOS Logan Intl in the Boeing 777-300
Landing Score 86.15 %
99.29 %
Final 1
Approaching runway 22L at KBOS Logan Intl from 1 nm to 0 nm. Descent from 309 ft agl to 64 ft agl. A decrease of 244 ft in 19 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
155 148 140
Alignment
100 %
0.5 0 -0.5
Bank °
96.46 %
5 2.5 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-569 -784 -1,000
00.250.50.751050100150200250300350 Distance to Touchdown NM Approach Height ft
00.250.50.751-150-113-75-3803875113150 Distance to Touchdown NM Approach Runway Alignment ft
75 %
Landing
Landing on runway 22L at KBOS Logan Intl, runway length 7,641 ft. Good threshold height. Threshold speed was good at 147 kn.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
100 %
Threshold speed was good at 147 kt. Target 140 kt
Flare
0 %
Very poor landing flare
Centreline ft
100 %
100 0 -100
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
IAS kt
Info
150 135 120
Pitch °
Info
7 5 3
Descent Rate fpm
Info
57 -271 -600
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,50001223354658 Runway Distance ft Landing Height ft
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,500-90-72-54-36-1801836547290 Runway Distance ft Runway Width ft
83.69 %
Touchdown
Touchdown point was 1,664 ft beyond the touchdown zone. Touchdown speed at 132 kn was good. Touchdown rate was fair at -252 ft/m. Runway touchdown alignment was perfect. Local weather - Temperature 84 °F. Wind 15 kn at 230 °. Crosswind: 8 kn Headwind: 13 kn.
Touchdown
94.76 %
Touchdown rate was fair at -252 ft/m.
Speed
100 %
Touchdown speed at 132 kt was good. Target below 146 kn
Distance
0 %
Touchdown point was 1,664 ft beyond the touchdown zone.
Alignment
100 %
Runway touchdown alignment was perfect.
Bank
100 %
Bank angle 0.6 °
G
100 %
G 1.20 g
Bounce
100 %
No Bounce Detected
86.61 %
Rollout
Total landing distance 6,198 ft, 81 % of runway. Runway rollout alignment was very good.
Distance
75.54 %
Landing distance 6,198 ft using 81.12 % of runway
Alignment
94.99 %
Runway rollout alignment was very good.
G
100 %
1.25 1 0.75
IAS kt
Info
129 100 70
Bank °
Info
2 1 0
Pitch °
Info
6 3 0
05001,0001,5002,0002,5003,0003,5004,0004,5005,0005,5006,000 Runway Distance ft Runway Width ft
Metrics
Metrics

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