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KSEA
Seattle, United States
Runway 16L
Elevation430 ft asl
Weight142,277 lbs
Fuel17,850 lbs
Wind26° · 3 kn · 1 kn cross

Flight Score

99.81 %
KSFO
San Francisco, United States
Runway 28L
Elevation10 ft asl
Weight130,656 lbs
Fuel5,943 lbs
Wind317° · 2 kn · 1 kn cross
1 Nov 2026 2:01 668 nm Boeing 737-800 11,907 lbs
Departure Score
100.00 %
Enroute Score
100.00 %
Arrival Score
99.44 %

What went well

Touched down at -138 fpm — a soft arrival
Flare on profile — 100 %
Rollout controlled — 35 % of the runway used

What held you back

Arrival Touchdown — g force 1.00 to 1.47 g at 87 %, Touchdown distance was 1,833 ft at 89 %, −0.15 points

Next time

Arrival

Reduce power earlier on final to bring threshold speed back to 140 kt.

What happened: You crossed the threshold at 151 kt against a target of 140 kt, and touchdown ended up well past the normal point. Carrying excess threshold speed usually carries the touchdown long as the aircraft floats before settling.

Watch for: Airspeed indicator, targeting 140 kt at the threshold.

See Arrival LandingArrival 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 · 18 stages, 16 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 10 minutes and covered 2 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 13 kt0 kt min to max 23 kt 0 6 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 1.00 g0.92 g min to max 1.10 g 1.00 1.01 g
Info Average pitch angle -0.3 °-1.5 ° min to max 1.1 ° 0.9 -0.0 °
Info Average bank angle 0.3 °0.0 ° min to max 1.1 ° 0.4 0.8 °

Events

Info Taxi Lights Off
Info Navigation Lights On
Info Beacon Lights On
Info Strobe Lights Off
Info Landing Lights Off
Info Landing Gear Down
Info Flaps Fully Retracted
Info Parking Brake Off
Info Flaps Position 3
Info Parking Brake On
Info Taxi Lights On
Info Parking Brake Off
Info Taxi Lights Off  · 1 kt
Info Strobe Lights On  · 1 kt
Info Landing Lights On  · 1 kt
Info Taxi Lights On  · 4 kt
Departure Runway Entry Entering runway 16L at KSEA Seattle–Tacoma International Airport, Average speed was 4 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 4 kt0 kt min to max 6 kt 6 0 kt
Info Average pitch angle 0.1 °0.0 ° min to max 0.2 ° 0.1 0.1 °
Info Average bank angle 0.4 °0.3 ° min to max 0.8 ° 0.8 0.3 °
Info Average g force 1.00 g0.99 g min to max 1.01 g 1.01 1.00 g
Departure Roll 99.98Departure roll runway 16L at KSEA Seattle–Tacoma International Airport. Takeoff distance 4,920 ft 41 % of runway. Rotation speed was 145 kt. Local weather - Temperature 42 °F. Wind 3 kt at 26 °. Crosswind: 1 kt Tailwind: 3 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 4,920 ft41 % of runway
100 % Rotation speed was 145 ktTarget 142 kt
100 % Runway alignment max 5.6 ft left5.6 ft left to 0.3 ft right 2.6 5.6 ft
99.8 % Average g force 1.00 g0.74 g min to max 1.33 g 1.00 1.06 g
100 % Takeoff Bounce
Info Average pitch angle -0.1 °-1.1 ° min to max 6.0 ° 0.1 6.0 °
Info Average bank angle 0.2 °0.0 ° min to max 0.7 ° 0.3 0.0 °
Departure Climb 1 100.00Departure climb to 50 ft agl from runway 16L KSEA Seattle–Tacoma International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.1 °-0.1 ° min to max -0.1 ° -0.1 -0.1 °
100 % Average speed 157 kt153 kt min to max 160 kt 153 160 kt
100 % Average bank angle 0.3 °0.0 ° min to max 0.5 ° 0.0 0.5 °
100 % Average g force 1.19 g1.09 g min to max 1.24 g 1.09 1.24 g
Info Average VSI 554 fpm269 fpm min to max 872 fpm 269 872 fpm
Info Average altitude 4 ft agl-1 ft agl min to max 16 ft agl 0 16 ft agl
Info Average pitch angle 9.9 °6.3 ° min to max 12.9 ° 6.3 12.9 °
Departure Climb 2 100.00Departure climb to 400 ft agl from 16L KSEA Seattle–Tacoma International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.1 °-0.1 ° min to max -0.1 ° -0.1 -0.1 °
100 % Average speed 162 kt160 kt min to max 166 kt 160 166 kt
100 % Average bank angle 0.6 °0.1 ° min to max 0.8 ° 0.5 0.2 °
100 % Average g force 1.17 g0.94 g min to max 1.24 g 1.24 1.03 g
Info Average VSI 1,487 fpm908 fpm min to max 2,631 fpm 908 2,631 fpm
Info Average altitude 62 ft agl17 ft agl min to max 322 ft agl 17 322 ft agl
Info Average pitch angle 13.9 °12.6 ° min to max 14.8 ° 13.0 14.8 °

Events

Info Landing Gear Up 282 ft agl · 163 kt
Departure Climb 3 100.00Departure climb to 1,000 ft agl from 16L KSEA Seattle–Tacoma International Airport.
ScoreDescriptionStartProfileEnd
100 % Climb speed 165 kt163 kt min to max 166 ktTarget 179 kt, 14 kt slow 166 163 kt
100 % Average bank angle 0.6 °0.2 ° min to max 1.0 ° 0.5 0.9 °
100 % Average g force 0.98 g0.92 g min to max 1.05 g 1.04 0.93 g
100 % Landing gear up at 194 ft aglTarget by 400 ft agl
Info Heading variation -0.2 °-0.2 ° min to max -0.1 ° -0.1 -0.2 °
Info Average VSI 3,183 fpm2,742 fpm min to max 3,388 fpm 2,742 3,196 fpm
Info Average altitude 625 ft agl362 ft agl min to max 893 ft agl 362 893 ft agl
Info Average pitch angle 16.3 °15.4 ° min to max 16.9 ° 15.4 15.8 °

Events

Info Taxi Lights Off 670 ft agl · 165 kt
Enroute Climb 100.00Enroute climb started 1 mile south west of SeaTac (Washington, United States). Climbing from 1,353 ft asl to 34,615 ft asl, an increase of 33,262 ft in 24 minutes and covering 133 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 231 kt162 kt min to max 282 kt 163 229 kt
100 % Average bank angle 7.4 °0.0 ° min to max 24.2 ° 0.8 0.5 °
100 % Average g force 1.00 g0.79 g min to max 1.21 g 0.92 1.05 g
Info Average VSI 1,891 fpm-362 fpm min to max 4,305 fpm 3,129 214 fpm
Info Average altitude 18,590 ft asl1,353 ft asl min to max 34,615 ft asl 1,353 34,615 ft asl
Info Average pitch angle 6.1 °2.0 ° min to max 15.5 ° 15.5 2.5 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Position 1 1,734 ft agl · 173 kt
Info Flaps Fully Retracted 2,367 ft agl · 194 kt
Info Landing Lights Off 10,029 ft agl · 290 kt
Info Flaps Position 1 12,431 ft agl · 341 kt
Enroute Level 99.99Enroute level cruise started 7 miles south west of 30OR Bero Field Vernonia (Oregon, United States) and lasted 52 minutes, covering 373 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±2,234 ft of 34,996 ft asl34,688 ft asl min to max 35,021 ft asl 34,688 34,745 ft asl
100 % Average speed 247 kt228 kt min to max 256 kt 230 255 kt
100 % Average bank angle 0.3 °0.0 ° min to max 3.4 ° 0.3 0.0 °
99.9 % Average g force 0.99 g0.51 g min to max 1.37 g 1.01 1.00 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 1.2 °0.2 ° min to max 2.7 ° 2.4 0.2 °

Events

Info Flaps Fully Retracted 31,460 ft agl · 429 kt
Enroute Descent 100.00Enroute descent started 9 miles north of Potter Valley (California, United States). Descent from 34,557 ft asl to 11,495 ft asl, a decrease of 23,062 ft in 17 minutes and covering 109 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 255 kt237 kt min to max 281 kt 254 255 kt
100 % Average bank angle 7.0 °0.0 ° min to max 19.0 ° 0.2 0.0 °
100 % Average g force 1.01 g0.83 g min to max 1.18 g 0.99 0.99 g
Info Average VSI -1,293 fpm-2,676 fpm min to max -640 fpm -1,007 -1,521 fpm
Info Average altitude 25,074 ft asl11,495 ft asl min to max 34,557 ft asl 34,557 11,495 ft asl
Info Average pitch angle -0.1 °-2.4 ° min to max 1.0 ° 0.2 -0.9 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 2 100.00Enroute level cruise started 3 miles north west of Daly City (California, United States) and lasted 2 minutes, covering 8 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±1,062 ft of 11,017 ft asl10,998 ft asl min to max 11,247 ft asl 11,247 11,003 ft asl
100 % Average speed 242 kt238 kt min to max 253 kt 253 240 kt
100 % Average bank angle 7.1 °0.0 ° min to max 18.0 ° 0.1 18.0 °
100 % Average g force 1.02 g0.98 g min to max 1.08 g 1.00 1.03 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 2.1 °-0.9 ° min to max 2.6 ° -0.9 2.3 °
Enroute Descent 2 100.00Enroute descent started overhead South San Francisco (California, United States). Descent from 11,003 ft asl to 1,806 ft asl, a decrease of 9,197 ft in 8 minutes and covering 29 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 204 kt142 kt min to max 241 kt 239 147 kt
100 % Average bank angle 13.6 °0.0 ° min to max 20.2 ° 18.5 2.7 °
100 % Average g force 1.03 g0.92 g min to max 1.20 g 1.05 0.98 g
Info Average VSI -1,022 fpm-2,166 fpm min to max 483 fpm -29 -88 fpm
Info Average altitude 5,602 ft asl1,759 ft asl min to max 11,003 ft asl 11,003 1,806 ft asl
Info Average pitch angle 1.2 °-1.4 ° min to max 7.0 ° 2.4 3.2 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Landing Lights On 9,942 ft agl · 280 kt
Info Flaps Position 1 5,624 ft agl · 252 kt
Info Flaps Position 3 3,636 ft agl · 203 kt
Info Flaps Position 5 3,542 ft agl · 203 kt
Info Landing Gear Down 3,478 ft agl · 197 kt
Info Flaps Position 7 3,150 ft agl · 174 kt
Enroute Level 3 100.00Enroute level cruise started 3 miles north of East Palo Alto (California, United States) and lasted 3 minutes, covering 8 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±590 ft of 1,741 ft asl1,277 ft asl min to max 1,805 ft asl 1,804 1,277 ft asl
100 % Average speed 147 kt144 kt min to max 150 kt 147 147 kt
100 % Average bank angle 0.5 °0.0 ° min to max 1.9 ° 0.9 0.1 °
100 % Average g force 1.00 g0.94 g min to max 1.05 g 0.99 1.02 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 3.3 °0.7 ° min to max 4.7 ° 3.2 1.4 °
Arrival Approach 100.00Final approach to runway 28L at KSFO San Francisco International Airport. Descent from 1,281 ft agl to 57 ft agl in 97 seconds. Scored on the stabilisation gates.
ScoreDescriptionStartProfileEnd
100 % Gear downpassed at both gates
100 % Landing flappassed at both gates
100 % Sink ratepassed at both gates
100 % On glideslopepassed at both gates
100 % On centrelinepassed at both gates
100 % On speedpassed at both gates
100 % Wings levelpassed at both gates
Arrival Landing 99.54Landing on runway 28L at KSFO San Francisco International Airport, runway length 11,060 ft. Good threshold height. Threshold speed was slightly above target at 151 kt.
ScoreDescriptionStartProfileEnd
98 % Threshold speed was slightly above target at 151 kt. Target 140 kt
100 % Good threshold height.Target 50 ft agl
100 % Perfect landing flare
99.99 % Runway alignment max 30.7 ft right19.4 ft right to 30.7 ft right -29.8 -20.5 ft
100 % Average bank angle 0.4 °0.0 ° min to max 1.5 ° 1.4 0.4 °
100 % Peak g force 1.11 g0.94 g min to max 1.11 g 1.04 1.00 g
Info Average speed 150 kt147 kt min to max 152 kt 151 147 kt
Info Average VSI -434 fpm-668 fpm min to max -180 fpm -668 -186 fpm
Info Average altitude 12 ft agl-9 ft agl min to max 44 ft agl 44 -9 ft agl
Info Average pitch angle 2.3 °1.1 ° min to max 3.5 ° 1.2 3.5 °
02505007501,0001,2501,5001,7502,00001223354658Runway Distance ftLanding Height ft02505007501,0001,2501,5001,7502,000-110-88-66-44-22022446688110Runway Distance ftRunway Width ft
Arrival Touchdown 97.71Touchdown point was 419 ft beyond the touchdown zone. Touchdown speed at 147 kt was a little fast. Touchdown rate was smooth at -138 fpm. Runway touchdown position was slightly misaligned by 20 ft from centreline. Local weather - Temperature 54 °F. Wind 2 kt at 317 °. Crosswind: 1 kt Headwind: 1 kt.
ScoreDescriptionStartProfileEnd
100 % Touchdown rate was -138 fpm.
89 % Touchdown distance was 1,833 ftTarget 1,500 ft
100 % Speed at touchdown 147 ktTarget below 140 kt
100 % Runway alignment max 20.5 ft right19.0 ft right -20.5 -18.7 ft
100 % Average bank angle 0.3 °0.2 ° min to max 0.4 ° 0.4 0.2 °
87 % Peak g force 1.47 g1.00 g min to max 1.47 g 1.00 1.06 g
100 % Landing Bounce
Info Average speed 147 kt146 kt min to max 147 kt 147 146 kt
Info Average pitch angle 3.4 °3.2 ° min to max 3.6 ° 3.5 3.2 °
Arrival Rollout 99.97Total landing distance 3,972 ft, 36 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
100 % Landing distance 3,972 ft36 % of runway.
100 % Runway alignment max 17.4 ft right0.0 ft left to 17.4 ft right -16.0 -10.5 ft
99.7 % Average g force 1.00 g0.89 g min to max 1.35 g 1.02 1.13 g
Info Average speed 111 kt72 kt min to max 143 kt 143 72 kt
Info Average pitch angle -0.5 °-0.9 ° min to max 3.1 ° 3.1 -0.6 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.2 0.0 °
Runway Exit Exiting runway, average speed 40 kt
ScoreDescriptionStartProfileEnd
Info Average speed 35 kt0 kt min to max 72 kt 72 8 kt
Info Average pitch angle -0.5 °-0.7 ° min to max -0.4 ° -0.6 -0.4 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.0 0.0 °
Info Average g force 1.00 g0.83 g min to max 1.16 g 0.98 1.01 g

Events

Info Flaps Position 1  · 20 kt
Info Flaps Position 2  · 21 kt
Info Flaps Fully Retracted  · 22 kt
Info Strobe Lights Off  · 12 kt
Info Taxi Lights On  · 12 kt
Info Landing Lights Off  · 12 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 16 kt 9 0 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 1.00 g0.98 g min to max 1.02 g 1.00 1.00 g
Info Average pitch angle -0.5 °-0.7 ° min to max -0.3 ° -0.5 -0.5 °
Info Average bank angle 0.1 °0.0 ° min to max 0.3 ° 0.1 0.1 °

Events

Info Taxi Lights Off

Speed and pitch

From brake release to the end of the climb, against time, then the takeoff point by point.

Rotated at 145 kt, 3 kt above the 142 kt target, and lifted off at 153 kt 2.5 s later, the nose coming up at 2.7° a second. Climb 3 averaged 165 kt, 14 kt under its 179 kt target.

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 dashed green line is the speed to rotate at for this aircraft at its weight, and the green dot is where the nose started to come up. The figures at liftoff are the pitch then and how fast the nose came up, in degrees a second. The shaded stretch is Climb 3, the part of the climb scored on holding the climb speed.

Climb 3 target 179180 kt12060020°10°0°ROTATELIFTOFFtarget 1426.3° off · 2.7°/s14° at 35 ftAIRSPEEDPITCH020406080 sfrom brake release
AirspeedPitchRotation speed targetRotation beganClimb 3

The takeoff, point by point

PointSpeedPitchTime
Brake release0 ft 3 kt 0.1° 0 s
80 kt1,229 ft 80 kt -0.3° 40.8 s
Rotate4,122 ft · target 142 145 kt -0.4° 56.2 s
Liftoff4,700 ft · +8 kt from rotation 153 kt 6.3° 58.6 s
35 ft5,859 ft · 4.3 s after liftoff 161 kt 14.3° 63 s
Gear up7,372 ft · 194 ft · full marks to 400 ft 165 kt 14.2° 69 s
Climb 38,180 ft · 361 ft to 893 ft · target 179 165 kt avg 15.5° 72 s
End of Climb 310,840 ft · 893 ft 163 kt 15.8° 82 s

Takeoff from KSEA 16L

Taxi lightsOk
Set
Takeoff roll100.00
4,920ft41 %
Rotation speed100.00
145kttarget 142, 3 fast
Liftoff speed
153kt
Runway alignment100.00
5.6ft L
Bounce on takeoffOk
None
Gear up100.00
194ftfull marks to 400 ft
Climb 3 speed100.00
165kttarget 179
Rate of climb100.00
553fpm

Side view from the start of the roll to the end of Climb 3 at 893 ft.

Reached 35 ft with 5,785 ft of runway left; gear up at 194 ft, inside the 400 ft that gets full marks; then climbing at 2,310 fpm on average to 893 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 gear-up ring is coloured by its mark. The shaded stretch is Climb 3, scored on its average speed against the target.

1,000 ft500 ft0CLIMB 3165 kt avgtarget 179THRESHOLDRUNWAY END6080100120KNOTS ALONG THE ROLLRotate 145 kttarget 142Liftoff 153 ktGear up 194 ftfull marks to 400 ft
On the runwayClimbingLast quarter of the runwayGear upClimb 3

Plan view the roll down the 11,885 ft runway.

Rolled from 241 ft in, drifted left of the centreline, 6 ft at the widest, and lifted off 6 ft left. Airborne 41 % 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.

2,0004,0006,0008,00010,000THRESHOLDLEFT ↑RIGHT ↓CROSS1 kn75 %widest 5.6 ft LROLL 241 FT INAirborne 4,940 ft from the threshold
Your trackRunway used in the rollCentreline75 %: lift off before it for full marks
Runway to liftoff 4,940 ft of 11,885 ft · 42 %
Behind the start of the roll, 241 ftTakeoff roll, 4,700 ft Left ahead, 6,945 ft

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. They are the approach's score: the checks passed out of the checks that ran.

Seven checks, two gates1,000 ft 100.007 of 7500 ft 100.007 of 7
Gear down
Landing flap
Sink rate790 fpm700 fpm
On glideslope2.9°2.9°
On centreline0.1° off0.2° off
On speed+6.8 kt+6.8 kt
Wings level0° bank0° bank

When the approach was stable

Every check met from 4 nm to 0.3 nm, then not again: right of the centreline from 0.3 nm to the threshold.

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 KSFO 28L

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

Profile height against the 2.8° glideslope, with its 1° band in green.

Inside the glideslope band from 4 nm to the threshold, never more than 30 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, 1,000 ft past the threshold: 2.8° here, which is about 300 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 SLOPE1,2609606503502.8° GLIDESLOPE · 1° BAND1,2709666583551881,000 ft gate7 of 71,074 ft · 147 kt500 ft gate7 of 7549 ft · 147 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 24× larger than distances along the final.

Inside the 1° band from 4 nm to 0.3 nm, then 30 ft right of it from 0.3 nm to the threshold.

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 nmTHR130 ft L0130 ft RLEFT ↑RIGHT ↓1° BAND41 ft L37 ft L18 ft L49 ft L7 ft L33 ft L23 ft 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 +6 kt and +11 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+7 kt+8 kt+8 kt+8 kt+8 kt+11 kt
Your airspeedApproach speedWhat the gates allowOutside the bandStabilisation gate

Landing and touchdown on KSFO 28L

Over the threshold

Threshold height100.00
44ft
Threshold speed98.17
151kttarget 140, 11 fast
Centreline offset99.99
30.7ft R

Touchdown

Past threshold88.90
1,833ft
Centreline100.00
20.5ft R
Speed100.00
147kttarget 139, 8 fast
Touchdown rate100.00
-138fpm
Impact87.43
1.47G
BouncesOk
None
The flare100.00

Perfect landing flare

The crosswind

No crosswind: nothing to correct for. Touched down straight, wings level.

Wind 317° at 2 kt · 2 kt head · 0 kt across

How to read this

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. These are the nose against the direction you were actually moving, and the wings, at the moment of touchdown. Shown for reading; not marked.

The stop

From 144 kt at touchdown to taxi speed (30 kt) in 20 s, an average deceleration of 0.32 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.

0408012016060 kt · 2,337 ft30 kt · 2,753 fttouchdown2,864 ftkt
Your ground speed60 kt and taxi speed

Side view — the last 5,000 ft of the approach.

Crossed the threshold at 44 ft, close to the 50 ft target; began the flare at 19 ft. Touched down 1,833 ft in, 833 ft past the ideal 1,000 ft.

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 5,000 ft across. The dashed line is the ideal, 50 ft over the threshold and down 1,000 ft 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.

44 ft over the threshold · target 50 ft FLARE NORMALLY STARTS 11–45 FT 80 ft400 Flare 19 ft · −454 fpm · 2.3° · 151 ktdescent slowed at 0 ft · −143 fpm · 3.5°−138 fpm · 3.5° nose up · 147 kt Ideal — 50 ft, down at 1,000 ft This flight — 44 ft, down at 1,833 ft

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

The sink went from 450 fpm at the flare to 140 fpm at touchdown. The nose came up 1.3° on the way down.

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°flaredescent slowedtouchdown−138 fpm at touchdown3.5° at touchdown, +1.2° from the flare
Sink ratePitchFlare began, descent slowedTouchdown

Plan view — the first 5,000 ft of the 11,060 ft runway, to the same scale as the side view.

Touched down 19 ft right of the centreline, and stayed about there down the rollout, 20 ft right at the widest.

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.

1,0002,0003,0004,0005,000 THRESHOLD LEFT ↑ RIGHT ↓ FULL SCORE TO 1,650 FT 1,833 ft past threshold ROLLOUT ENDED
Your trackTouchdownRolloutCentreline

Touched down 1,833 ft past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 3,874 ft of 11,060 ft · 35 %
In the air over the runway, 1,833 ftRollout, 2,041 ft Left over, 7,186 ft
Rollout distance100.00
2,041ft35 % used
Rollout alignment100.00
17.4ft R

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Flight narrative

The Boeing 737-800 taxied from the parking area to runway 16L at KSEA, a movement that lasted 10 minutes and covered 2 nm.

Take-off was performed on runway 16L. The aircraft used 4,920 ft of runway, which is 41 % of the available length. Rotation occurred at 145 kt. Local weather was 42 °F with a wind of 3 kt from 026°, a 1 kt crosswind and a 3 kt tailwind.

Initial climb to 1,000 ft agl took 21 seconds, averaging 2,081 fpm and reaching 163 kt at the top of the segment.

The climb continued from 1,353 ft asl to 34,615 ft asl in 24 minutes, covering 133 nm, beginning about 1 mile south-west of SeaTac.

Cruise was level at 35,000 ft asl for 52 minutes, covering 373 nm, starting roughly 7 miles south-west of 30OR Bero Field Vernonia.

Descent began at 34,557 ft asl and proceeded to 1,277 ft asl in 29 minutes, covering 154 nm, starting 9 miles north of Potter Valley, with a brief level-off at 11,000 ft asl.

Final approach to runway 28L at KSFO started from 1,281 ft agl and descended to 57 ft agl in 97 seconds. Stabilisation checks at 1,000 ft and 500 ft above the runway were all met: gear down, landing flap, sink rate, glideslope, centreline, speed, and wings level. Configuration was gear down at 3,478 ft agl with 197 kt, and final flap position 7 was selected at 3,150 ft agl with 174 kt.

Landing on runway 28L, which is 11,060 ft long, occurred with a threshold speed of 151 kt, slightly above target. The flare was described as perfect. Touchdown was 419 ft beyond the touchdown zone, at 147 kt, a little fast, with a smooth rate of -138 fpm. The touchdown point was 20 ft off the centreline but otherwise well aligned. No bounce occurred.

Total landing distance was 3,972 ft, 36 % of the runway, and rollout alignment was very good. Local weather at KSFO was 54 °F with a wind of 2 kt from 317°, a 1 kt crosswind and a 1 kt headwind.

After landing, the aircraft taxied to the parking area in 4 minutes, covering less than 1 nm.

The flight covered 668 nm in 121 minutes and consumed 11,907 lb of fuel.

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