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KBOS
Boston, United States
Runway 33L
Elevation16 ft asl
Weight421 kg
Fuel27 kg
Wind280° · 7 kn · 4 kn cross

Flight Score

57.79 %
KBOS
Boston, United States
Runway 14
Elevation13 ft asl
Weight420 kg
Fuel25 kg
Wind280° · 7 kn · 3 kn cross
14 Oct 2023 0:05 3 nm Pitts 1 kg
Departure Score
88.22 %
Pattern Score
33.25 %
Arrival Score
51.91 %

What went well

Touchdown 311 m in — inside the full-score zone
Rollout controlled — 29 % of the runway used
Airborne in 293 m — 10 % of the runway

What held you back

Pattern Downwind Turn — stall warning; speed limits at 0 %, bank angle up to 179.6 ° at 0 %, −8.21 points
Arrival Rollout — Landing distance 1,406 m at 30 %, Runway alignment max 33.70 m at 32 %, −5.48 points
Arrival Landing — Threshold speed was excessively high at 103 kn. at 0 %, Landing and flare profile at 11 %, −5.14 points
Arrival Touchdown — Speed at touchdown 92 kn at 0 %, bank angle up to 11.2 ° at 0 %, −3.54 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 75.83Taxiing from the parking to the runway took less than 1 minute. and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
40 % Average speed 34 kn0 kn min to max 34 kn 34 0 kn
100 % Average speed turning corners 0 knmax 0 kn 0 0 kn
98 % Average g force 1.19 g0.98 g min to max 1.28 g 1.19 0.98 g
100 % Beacon, navigation and taxi lights on
Info Average pitch angle -33.7 °-34.3 ° min to max 11.3 ° -34.3 10.9 °
Info Average bank angle 12.1 °0.0 ° min to max 12.2 ° 12.2 0.0 °

Events

Fail Beacon Light OFF should be ON
Info Battery Master On 6 ft agl · 45 kt
Info Engine 1 Started 6 ft agl · 45 kt
Info Parking Brake On 6 ft agl · 45 kt
Info Parking Brake Off 3 ft agl
Info Parking Brake On 3 ft agl
Info Parking Brake Off 3 ft agl · 5 kt
Info Parking Brake On 3 ft agl · 6 kt
Info Parking Brake Off 3 ft agl · 6 kt
Info Parking Brake On 3 ft agl · 5 kt
Departure Roll 93.81Departure roll runway 33L at KBOS Logan Intl. Takeoff distance 420 m 15 % of runway. Liftoff speed was 65 kn. Local weather - Temperature 15 °C. Wind 7 kn at 279 °. Crosswind: 4 kn Headwind: 6 kn.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 420 m15 % of runway
70 % Liftoff speed was 65 knTarget 55 kn
99 % Runway alignment max 2.19 m1.78 m left to 0.42 m right 0.74 -0.29 m
100 % Average g force 0.95 g0.91 g min to max 1.01 g 0.98 0.99 g
100 % Takeoff Bounce
Info Average pitch angle 6.3 °3.7 ° min to max 11.0 ° 10.9 4.2 °
Info Average bank angle 0.9 °0.0 ° min to max 2.6 ° 0.1 2.2 °

Events

Fail Landing Lights OFF should be ON
Departure Climb 1 95.71Departure climb to 50 ft agl from runway 33L KBOS Logan Intl.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.3 °-0.6 ° min to max 0.1 ° 0.0 0.1 °
100 % Average speed 91 kn66 kn min to max 106 kn 66 106 kn
99.5 % Average bank angle 0.8 °0.0 ° min to max 2.2 ° 2.2 1.8 °
58 % Average g force 1.09 g0.72 g min to max 1.98 g 0.97 1.69 g
Info Average VSI 461 ft/m73 ft/m min to max 1,334 ft/m 377 1,334 ft/m
Info Average altitude 10 ft agl0 ft agl min to max 51 ft agl 0 51 ft agl
Info Average pitch angle 4.7 °-0.6 ° min to max 17.2 ° 3.7 17.2 °
Departure Climb 2 87.54Departure climb to 400 ft agl from 33L KBOS Logan Intl.
ScoreDescriptionStartProfileEnd
100 % Average speed 105 kn104 kn min to max 106 kn 106 104 kn
100 % Average bank angle 2.7 °1.8 ° min to max 5.0 ° 1.8 5.0 °
75 % Average g force 1.28 g0.91 g min to max 1.68 g 1.68 0.91 g
Info Average VSI 1,985 ft/m1,420 ft/m min to max 2,545 ft/m 1,420 2,545 ft/m
Info Average altitude 86 ft agl57 ft agl min to max 146 ft agl 57 146 ft agl
Info Average pitch angle 17.3 °16.2 ° min to max 18.2 ° 17.7 16.2 °
Pattern Entry 45.00Left hand pattern entry from runway 33L KBOS Logan Intl. Distance was less than 1 nm in 46 seconds.
ScoreDescriptionStartProfileEnd
0 % Climb speed 111 kn82 kn min to max 155 knTarget 68 kn 103 152 kn
100 % Average bank angle 26.3 °0.2 ° min to max 148.8 ° 5.9 28.8 °
0 % Average g force 1.26 g-0.21 g min to max 4.71 g 0.89 4.71 g
Info Average VSI 182 ft/m-8,863 ft/m min to max 4,771 ft/m 2,575 -6,519 ft/m
Info Average altitude 607 ft agl170 ft agl min to max 1,129 ft agl 170 216 ft agl
Info Average pitch angle 3.3 °-38.0 ° min to max 34.9 ° 15.8 -5.9 °
Pattern Crosswind 45.00Left hand pattern crosswind from runway 33L KBOS Logan Intl. Distance was less than 1 nm in 17 seconds.
ScoreDescriptionStartProfileEnd
0 % Heading 33.7 °15.6 ° min to max 50.0 ° 16.4 44.7 °
100 % Average speed 144 kn140 kn min to max 148 kn 147 140 kn
0 % Average g force 1.17 g0.52 g min to max 3.00 g 3.00 0.69 g
Info Average VSI -535 ft/m-2,596 ft/m min to max 873 ft/m -2,596 873 ft/m
Info Average altitude 172 ft agl86 ft agl min to max 257 ft agl 205 122 ft agl
Info Average bank angle 17.8 °1.0 ° min to max 28.9 ° 21.2 1.5 °
Info Average pitch angle -0.3 °-6.6 ° min to max 6.9 ° 5.3 2.7 °
Pattern Downwind Turn 1.50Pattern Downwind Turn. Distance was 2 nm. Angle to runway (45 degrees) 74.6 °.
ScoreDescriptionStartProfileEnd
2 % Angle to runway (45 degrees) 74.6 °.
0 % Average speed 113 kn35 kn min to max 150 kn 138 78 kn
0 % Average bank angle 44.2 °0.2 ° min to max 179.6 ° 34.1 20.5 °
10 % Average g force 1.33 g0.23 g min to max 2.83 g 1.65 2.08 g
Info Average VSI 1,075 ft/m-5,700 ft/m min to max 8,629 ft/m 447 -4,723 ft/m
Info Average altitude 486 ft agl116 ft agl min to max 1,116 ft agl 132 954 ft agl
Info Average pitch angle 9.9 °-54.7 ° min to max 88.6 ° 5.1 -46.3 °

Events

Fail Stall Warning Activated 1,132 ft agl · 55 kt
Pattern Downwind 41.49Pattern Downwind Leg. Distance was less than 1 nm in 15 seconds.
ScoreDescriptionStartProfileEnd
0 % Heading -21.0 °-24.2 ° min to max -18.7 ° -21.4 -20.8 °
27 % Average altitude 622 ft agl533 ft agl min to max 747 ft agl 747 533 ft agl
100 % Average speed 124 kn107 kn min to max 132 kn 107 124 kn
34 % Average g force 1.20 g0.67 g min to max 2.41 g 2.20 1.27 g
Info Average VSI -1,307 ft/m-5,785 ft/m min to max -88 ft/m -5,785 -1,155 ft/m
Info Average bank angle 6.0 °0.2 ° min to max 20.1 ° 2.5 19.4 °
Info Average pitch angle -4.0 °-21.2 ° min to max 0.7 ° -21.2 -3.3 °
Arrival Final 1 77.57Approaching runway 14 at KBOS Logan Intl from 1 nm to 0 nm. Descent from 521 ft agl to 34 ft agl. A decrease of 487 ft in 17 seconds.
ScoreDescriptionStartProfileEnd
51 % Approach angle 2.7 °1.5 ° min to max 6.3 °Target 3.0 ° 6.3 1.5 °
100 % Average speed 108 kn103 kn min to max 123 kn 123 103 kn
86 % Heading variation -0.1 °-0.6 ° min to max 0.0 ° -0.6 0.0 °
61 % Average bank angle 3.1 °0.0 ° min to max 17.4 ° 5.1 0.6 °
79 % Average g force 1.03 g0.39 g min to max 1.38 g 0.70 1.07 g
Info Average VSI -1,147 ft/m-2,664 ft/m min to max -810 ft/m -1,002 -810 ft/m
Info Average altitude 108 ft agl34 ft agl min to max 521 ft agl 521 34 ft agl
Info Average pitch angle -3.4 °-13.1 ° min to max -1.2 ° -6.4 -1.2 °
00.250.50.751050100150200250300350400450500Distance to Touchdown NMApproach Height ft00.250.50.751-50-38-25-13013253850Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 38.33Landing on runway 14 at KBOS Logan Intl, runway length 1,522 m. Good threshold height. Threshold speed was excessively high at 103 kn.
ScoreDescriptionStartProfileEnd
0 % Threshold speed was excessively high at 103 kn. Target 55 kn
46 % Target 50 ft agl
11 % Landing and flare profile
100 % Heading variation 0.0 °-0.1 ° min to max 0.0 ° 0.0 -0.1 °
91 % Average bank angle 2.9 °0.1 ° min to max 5.3 ° 0.8 2.6 °
100 % Average g force 1.04 g0.87 g min to max 1.22 g 1.07 1.09 g
Info Average speed 97 kn92 kn min to max 103 kn 103 92 kn
Info Average VSI -363 ft/m-800 ft/m min to max -76 ft/m -800 -219 ft/m
Info Average altitude 4 ft agl-5 ft agl min to max 21 ft agl 21 -5 ft agl
Info Average pitch angle 1.4 °-1.1 ° min to max 3.6 ° -1.1 2.2 °
07515022530001223354658Runway Distance mLanding Height ft075150225300-18-15-12-9-6-30369121518Runway Distance mRunway Width m
Arrival Touchdown 57.52Touchdown point was excessively long using more than 75% of available runway. Touchdown speed at 92 kn was excessively fast. Touchdown rate was fair at -219 ft/m. Runway touchdown position was significantly misaligned by 24.9 m from centreline. Local weather - Temperature 16 °C. Wind 6 kn at 279 °. Crosswind: 3 kn Tailwind: 6 kn.
ScoreDescriptionStartProfileEnd
82 % Touchdown VSI was -219 ft/m.
100 % Touchdown distance was 309 mTarget 457 m
0 % Speed at touchdown 92 knTarget 57 kn
19 % Runway alignment max 27.36 m2.21 m left -1.18 22.91 m
0 % Average bank angle 1.9 °0.0 ° min to max 11.2 ° 2.6 1.5 °
82 % Average g force 1.08 g0.83 g min to max 1.57 g 1.09 1.16 g
100 % Landing Bounce
Info Average speed 83 kn58 kn min to max 92 kn 92 58 kn
Info Average pitch angle 6.1 °1.3 ° min to max 9.8 ° 2.2 9.8 °
Arrival Rollout 34.24Total landing distance 1,406 m, 92 % of runway. Runway rollout alignment was misaligned by 21.1 m from centreline.
ScoreDescriptionStartProfileEnd
30 % Landing distance 1,406 m92 % of runway.
32 % Runway alignment max 33.70 m21.08 m left to 12.61 m right 21.08 -12.61 m
100 % Average g force 1.00 g0.97 g min to max 1.06 g 1.06 0.97 g
Info Average speed 50 kn34 kn min to max 62 kn 62 34 kn
Info Average pitch angle 9.0 °6.5 ° min to max 10.8 ° 8.3 10.8 °
Info Average bank angle 1.9 °0.3 ° min to max 4.4 ° 1.1 3.6 °
Runway Exit Exiting runway, average speed 36 kn
ScoreDescriptionStartProfileEnd
Info Average speed 30 kn2 kn min to max 78 kn 26 12 kn
Info Average pitch angle 15.6 °-79.8 ° min to max 70.1 ° 10.6 -79.8 °
Info Average bank angle 15.6 °0.0 ° min to max 158.3 ° 1.4 136.0 °
Info Average g force 0.93 g0.01 g min to max 1.25 g 1.03 0.55 g

Events

Info Landing Gear Down 104 ft agl · 86 kt
Info Stall Warning Activated 637 ft agl · 53 kt
Info Stall Warning Deactivated 758 ft agl · 38 kt

Takeoff

100.00Takeoff roll293 m · 10 %
69.90Liftoff speed65 kt
99.13Runway alignment1.78 m L
OkBounce on takeoffNone
95.71Rate of climb461 ft/m

Landing

The threshold, the flare and the hold-off. The approach that led to it is the stabilisation gates below.

45.71Threshold height20 ft
0.00Threshold speed102 kt
100.00Centreline offset0.02 m R

The stabilisation gates

One stabilised approach gate for a circuit: five checks where the approach path is 500 ft above the runway. The 1,000 ft gate is an instrument-approach check and does not apply.

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

Touchdown on KBOS 14

Past threshold100.00
311m
Centreline19.21
22.91m L
Speed0.00
91kt
Sink rate82.22
-218ft/m
Impact81.71
1.57G
BouncesOk
None

Side view — the last 1,522 m of the approach.

20 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 305 m This flight — 20 ft, down at 311 m

Plan view — the full 1,522 m runway, to the same scale as the side view.

5001,0001,500 THRESHOLD CROSS 4 kn FULL SCORE TO 503 M 311 m past threshold CLEARED

The 311 m touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 439 m of 1,522 m · 29 %
Rollout distance100.00
128m29 % used
Rollout alignment32.45
21.08m L

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 33L at KBOS Logan Intl in the Pitts
88.22 %
75.83 %
Taxi
Taxiing from the parking to the runway took less than 1 minute. and covered less than 1 nm.
Taxi Lights
100 %
Switched On
Ground Speed kt
40 %
30 15 0
Turn Speed
100 %
30 15 0
G
98.29 %
1.25 1 0.75
Bank °
Info
13 6.5 0
Pitch °
Info
12 -11 -34
93.81 %
Takeoff Roll
Departure roll runway 33L at KBOS Logan Intl. Takeoff distance 420 m 15 % of runway. Liftoff speed was 65 kn. Local weather - Temperature 15 °C. Wind 7 kn at 279 °. Crosswind: 4 kn Headwind: 6 kn.
Takeoff Distance
100 %
Roll distance of 420 m using 14.97 % of runway
Liftoff Speed
69.9 %
Liftoff speed was 65 kn - Target 55 kn
Alignment
99.13 %
1.78 m left to 0.42 m right
Bounce
100 %
No Bounce Detected
Strobe Lights
100 %
Switched On
Landing Lights
0 %
Switched Off
G
100 %
1.5 1 0.5
IAS kt
Info
70 35 0
Bank °
Info
3 1.5 0
Pitch °
Info
12 7.5 3
0250500750-25-20-15-10-50510152025 Runway Distance m Runway Alignment to End of Runway m
95.71 %
Climb 1
Departure climb to 50 ft agl from runway 33L KBOS Logan Intl.
Alignment
100 %
2 0 -2
IAS kt
100 %
110 85 60
Bank °
99.53 %
3 1.5 0
G
58.29 %
1.5 1 0.5
Pitch °
Info
18 9 0
Climb Rate fpm
Info
1,400 650 -100
87.54 %
Climb 2
Departure climb to 400 ft agl from 33L KBOS Logan Intl.
Alignment
0 %
2 0 -2
IAS kt
100 %
110 105 100
Bank °
100 %
5 3 1
G
75.43 %
1.5 1 0.5
Pitch °
Info
19 18 16
Climb Rate fpm
Info
2,600 1,950 1,300
0250500750022446688110 Runway Distance m Height at End of Runway ft
00.020.030.050.060.080100 Climb Distance NM Climb Profile to 1,000 ft
00.020.030.050.060.08-60-48-36-24-1201224364860 Climb Distance NM Runway Alignment (in m) to 1,000 ft
Landing report
Landing on runway 14 at KBOS Logan Intl in the Pitts
Landing Score 51.91 %
77.57 %
Final 1
Approaching runway 14 at KBOS Logan Intl from 1 nm to 0 nm. Descent from 521 ft agl to 34 ft agl. A decrease of 487 ft in 17 seconds.
Glideslope
51.43 %
Poor descent path above glideslope limit
Heading
85.71 %
Great heading alignment
Glideslope °
51.43 %
4 3 2
IAS kt
100 %
123 111 100
Alignment
85.71 %
0.5 0 -0.5
Bank °
60.97 %
18 9 0
G
79.43 %
1.5 1 0.5
Descent Rate fpm
Info
-810 -1,755 -2,700
00.250.50.751050100150200250300350400450500 Distance to Touchdown NM Approach Height ft
00.250.50.751-50-38-25-13013253850 Distance to Touchdown NM Approach Runway Alignment m
38.33 %
Landing
Landing on runway 14 at KBOS Logan Intl, runway length 1,522 m. Good threshold height. Threshold speed was excessively high at 103 kn.
Height
45.71 %
Good threshold height. Target 50 ft agl
Speed
0 %
Threshold speed was excessively high at 103 kt. Target 55 kt
Flare
11.05 %
Very poor landing flare
Centreline ft
100 %
100 0 -100
Bank °
91.37 %
6 3 0
G
100 %
1.5 1 0.5
IAS kt
Info
103 96 90
Pitch °
Info
4 1.5 -1
Descent Rate fpm
Info
-76 -488 -900
07515022530001223354658 Runway Distance m Landing Height ft
075150225300-18-15-12-9-6-30369121518 Runway Distance m Runway Width m
57.52 %
Touchdown
Touchdown point was excessively long using more than 75% of available runway. Touchdown speed at 92 kn was excessively fast. Touchdown rate was fair at -219 ft/m. Runway touchdown position was significantly misaligned by 24.9 m from centreline. Local weather - Temperature 16 °C. Wind 6 kn at 279 °. Crosswind: 3 kn Tailwind: 6 kn.
Warning: Landed with a 6 kt tailwind
Touchdown
82.22 %
Touchdown rate was firm at -376 ft/m.
Speed
0 %
Touchdown speed at 92 kt was excessively fast. Target below 57 kn
Distance
100 %
Touchdown point was excessively long using more than 75% of available runway.
Alignment
19.21 %
Runway touchdown position was significantly misaligned by 24.9 m from centreline.
Bank
0 %
Bank angle 1.9 °
G
81.71 %
G 1.08 g
Bounce
100 %
No Bounce Detected
34.24 %
Rollout
Total landing distance 1,406 m, 92 % of runway. Runway rollout alignment was misaligned by 21.1 m from centreline.
Distance
30.44 %
Landing distance 1,406 m using 92.39 % of runway
Alignment
32.45 %
Runway rollout alignment was misaligned by 21.1 m from centreline.
G
100 %
1.25 1 0.75
IAS kt
Info
56 43 30
Bank °
Info
5 2.5 0
Pitch °
Info
11 8.5 6
02004006008001,0001,2001,400 Runway Distance m Runway Width m
Metrics
Metrics

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