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KBDU
Boulder, United States
Runway 26
Elevation5,285 ft asl
Weight2,018 lbs
Fuel123 lbs
Wind83° · 6 kn · 1 kn cross

Flight Score

97.27 %
KBDU
Boulder, United States
Runway 26
Elevation5,285 ft asl
Weight2,012 lbs
Fuel116 lbs
Wind87° · 6 kn
9 Sep 2023 0:10 9 nm PA28 Turbo Arrow IV 7 lbs
Departure Score
98.36 %
Enroute Score
96.13 %
Arrival Score
96.87 %

What went well

Touchdown 1,506 ft in — inside the full-score zone
1.24 G at touchdown — inside band
Rollout held the centreline — 10.9 ft off at taxi speed

What held you back

Enroute Climb — speed limits at 81 %, −1.29 points
Arrival Landing — Threshold speed was a little below target at 66 kn. at 85 %, Landing and flare profile at 90 %, −0.53 points
Departure Climb 3 — bank angle up to 11.7 ° at 75 %, −0.34 points
Departure Roll — landing lights off should be on, then strobe light off should be on; Takeoff distance 5,002 ft at 0 %, −0.05 points

Top opportunity

Maintain the centreline

Departure Roll

A small uncorrected heading error at 40 knots becomes a metre of offset per second by 100 knots, noticed only at rotation, producing a crabbed liftoff. Root cause is nearly always eyes on the tape instead of the far end of the runway. Small heading changes displace a distant point visibly long before the nearby centreline stripes look wrong.

Read more in Improve Your Take-Offs

Start to finish · 15 stages, 14 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 98.00Taxiing from the parking to the runway took 4 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 13 kn0 kn min to max 23 kn 0 23 kn
95 % Average speed turning corners 11 knmax 17 kn 0 0 kn
100 % Average g force 1.00 g0.99 g min to max 1.01 g 1.00 1.00 g
100 % Beacon, navigation and taxi lights on
Info Average pitch angle 0.6 °-0.2 ° min to max 1.2 ° 0.7 0.2 °
Info Average bank angle 0.3 °0.0 ° min to max 0.9 ° 0.8 0.2 °

Events

Fail Beacon Light OFF should be ON
Info Battery Master On 2 ft agl · 5 kt
Info Engine 1 Started 2 ft agl · 5 kt
Info Landing Gear Down 2 ft agl · 5 kt
Info Flaps Position 2 2 ft agl · 5 kt
Info Parking Brake On 2 ft agl · 5 kt
Info Parking Brake Off 2 ft agl · 7 kt
Info Flaps Position 1 2 ft agl · 15 kt
Info Parking Brake On 2 ft agl · 2 kt
Info Parking Brake Off 2 ft agl · 2 kt
Departure Roll 99.24Departure roll runway 26 at KBDU Boulder Muni. Takeoff distance 5,002 ft 129 % of runway. Liftoff speed was 74 kn. Local weather - Temperature 75 °F. Wind 6 kn at 83 °. Crosswind: 1 kn Tailwind: 6 kn.
ScoreDescriptionStartProfileEnd
0 % Takeoff distance 5,002 ft129 % of runway
99 % Liftoff speed was 74 knTarget 70 kn
97 % Runway alignment max 13.5 ft6.1 ft left to 7.4 ft right -5.0 1.7 ft
100 % Average g force 1.00 g0.95 g min to max 1.04 g 1.00 1.03 g
100 % Takeoff Bounce
Info Average pitch angle -0.1 °-0.5 ° min to max 0.9 ° 0.2 0.9 °
Info Average bank angle 0.3 °0.0 ° min to max 0.7 ° 0.2 0.5 °

Events

Fail Landing Lights OFF should be ON
Fail Strobe Light OFF should be ON
Departure Climb 1 99.66Departure climb to 50 ft agl from runway 26 KBDU Boulder Muni.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.0 °-0.1 ° min to max 0.0 ° -0.0 -0.1 °
100 % Average speed 79 kn74 kn min to max 82 kn 74 82 kn
100 % Average bank angle 1.1 °0.0 ° min to max 1.8 ° 0.6 0.1 °
97 % Average g force 1.10 g1.02 g min to max 1.31 g 1.04 1.03 g
Info Average VSI 692 ft/m449 ft/m min to max 855 ft/m 449 855 ft/m
Info Average altitude 19 ft agl0 ft agl min to max 48 ft agl 0 48 ft agl
Info Average pitch angle 5.6 °1.2 ° min to max 6.9 ° 1.2 6.9 °

Events

Info Landing Gear Up 45 ft agl · 91 kt
Departure Climb 2 100.00Departure climb to 400 ft agl from 26 KBDU Boulder Muni.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.1 °-0.2 ° min to max -0.1 ° -0.1 -0.2 °
100 % Average speed 83 kn82 kn min to max 89 kn 82 89 kn
100 % Average bank angle 0.8 °0.0 ° min to max 1.4 ° 0.1 0.8 °
100 % Average g force 1.04 g0.91 g min to max 1.07 g 1.03 0.98 g
Info Average VSI 1,115 ft/m861 ft/m min to max 1,790 ft/m 861 1,442 ft/m
Info Average altitude 107 ft agl48 ft agl min to max 392 ft agl 48 392 ft agl
Info Average pitch angle 8.2 °7.0 ° min to max 11.4 ° 7.0 8.0 °

Events

Info Flaps Fully Retracted 267 ft agl · 93 kt
Departure Climb 3 94.90Departure climb to 1,000 ft agl from 26 KBDU Boulder Muni.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.6 °-2.0 ° min to max -0.1 ° -0.2 -2.0 °
100 % Average speed 94 kn90 kn min to max 97 kn 90 96 kn
75 % Average bank angle 5.8 °0.4 ° min to max 11.7 ° 0.7 11.7 °
100 % Average g force 1.00 g0.97 g min to max 1.01 g 0.99 0.97 g
100 % Landing gear up
Info Average VSI 1,647 ft/m1,438 ft/m min to max 1,770 ft/m 1,438 1,747 ft/m
Info Average altitude 691 ft agl418 ft agl min to max 970 ft agl 418 970 ft agl
Info Average pitch angle 9.4 °8.2 ° min to max 10.3 ° 8.2 9.8 °
Enroute Climb 92.25Enroute climb started 1 mile north east of Boulder (Boulder County, Colorado, United States). Climbing from 6,283 ft asl to 7,964 ft asl, an increase of 1,681 ft in 2 minutes and covering 2 nm.
ScoreDescriptionStartProfileEnd
81 % Climb speed 104 kn96 kn min to max 111 knTarget 120 kn 96 99 kn
100 % Average bank angle 12.3 °0.4 ° min to max 28.4 ° 11.4 0.9 °
100 % Average g force 1.02 g0.92 g min to max 1.12 g 0.97 0.92 g
Info Average VSI 1,091 ft/m6 ft/m min to max 2,011 ft/m 1,698 6 ft/m
Info Average altitude 7,279 ft asl6,283 ft asl min to max 7,964 ft asl 6,283 7,964 ft asl
Info Average pitch angle 4.6 °-1.7 ° min to max 9.6 ° 9.6 -1.7 °
Info Turn coordination 00 min to max 0 0 0
Enroute Descent 100.00Enroute descent started 1 mile south east of Boulder (Boulder County, Colorado, United States). Descent from 7,867 ft asl to 7,189 ft asl, a decrease of 677 ft in 1 minutes and covering 2 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 107 kn106 kn min to max 108 kn 106 107 kn
100 % Average bank angle 1.1 °0.0 ° min to max 1.6 ° 1.3 1.6 °
100 % Average g force 1.00 g0.97 g min to max 1.03 g 1.03 1.00 g
Info Average VSI -787 ft/m-1,241 ft/m min to max -370 ft/m -635 -1,241 ft/m
Info Average altitude 7,511 ft asl7,189 ft asl min to max 7,867 ft asl 7,867 7,189 ft asl
Info Average pitch angle -4.5 °-6.4 ° min to max -2.6 ° -3.5 -6.4 °
Info Turn coordination 00 min to max 0 0 0
Arrival 100.00Arrival started 1 mile south east of Boulder (Boulder County, Colorado, United States).
ScoreDescriptionStartProfileEnd
100 % Average speed 91 kn76 kn min to max 109 kn 108 76 kn
100 % Average bank angle 8.5 °0.0 ° min to max 18.0 ° 1.6 7.1 °
100 % Average g force 1.01 g0.95 g min to max 1.20 g 1.01 0.95 g
Info Average VSI -777 ft/m-1,499 ft/m min to max -147 ft/m -1,229 -462 ft/m
Info Average altitude 6,286 ft asl5,650 ft asl min to max 7,148 ft asl 7,148 5,650 ft asl
Info Average pitch angle -3.8 °-7.4 ° min to max -0.1 ° -6.3 -2.3 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Landing Gear Down 1,631 ft agl · 121 kt
Info Flaps Position 1 897 ft agl · 101 kt
Info Flaps Position 2 762 ft agl · 94 kt
Arrival Final 2 99.56Approaching runway 26 at KBDU Boulder Muni from 2 nm to 1 nm. Descent from 350 ft agl to 328 ft agl. A decrease of 22 ft in 11 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 2.7 °2.5 ° min to max 3.0 °Target 3.0 ° 2.5 3.0 °
100 % Average speed 77 kn76 kn min to max 78 kn 76 77 kn
100 % Heading variation -0.5 °-0.7 ° min to max -0.3 ° -0.7 -0.3 °
98 % Average bank angle 1.2 °0.2 ° min to max 3.8 ° 3.8 2.1 °
100 % Average g force 1.01 g0.96 g min to max 1.11 g 1.07 0.98 g
Info Average VSI -158 ft/m-421 ft/m min to max 13 ft/m -421 -176 ft/m
Info Average altitude 336 ft agl328 ft agl min to max 350 ft agl 350 328 ft agl
Info Average pitch angle -0.4 °-1.3 ° min to max 0.3 ° -0.5 -1.3 °
11.251.51.752250300350400450Distance to Touchdown NMApproach Height ft11.251.51.752-150-113-75-3803875113150Distance to Touchdown NMApproach Runway Alignment ft
Arrival Final 1 99.37Approaching runway 26 at KBDU Boulder Muni from 1 nm to 0 nm. Descent from 323 ft agl to 44 ft agl. A decrease of 279 ft in 34 seconds.
ScoreDescriptionStartProfileEnd
97 % Approach angle 2.7 °2.5 ° min to max 3.2 °Target 3.0 ° 3.1 2.5 °
100 % Average speed 68 kn65 kn min to max 76 kn 76 66 kn
100 % Heading variation -0.0 °-0.2 ° min to max 0.1 ° -0.2 0.1 °
99.9 % Average bank angle 1.2 °0.0 ° min to max 3.0 ° 2.4 3.0 °
100 % Average g force 0.99 g0.94 g min to max 1.14 g 0.97 0.96 g
Info Average VSI -432 ft/m-678 ft/m min to max -224 ft/m -224 -426 ft/m
Info Average altitude 110 ft agl44 ft agl min to max 323 ft agl 323 44 ft agl
Info Average pitch angle -0.7 °-3.1 ° min to max 2.1 ° -1.5 -0.8 °
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-110-83-55-280285583110Distance to Touchdown NMApproach Runway Alignment ft
Arrival Landing 90.49Landing on runway 26 at KBDU Boulder Muni, runway length 3,875 ft. Good threshold height. Threshold speed was a little below target at 66 kn.
ScoreDescriptionStartProfileEnd
85 % Threshold speed was a little below target at 66 kn. Target 75 kn
88 % Target 50 ft agl
90 % Landing and flare profile
100 % Heading variation 0.1 °0.0 ° min to max 0.1 ° 0.1 0.1 °
97 % Average bank angle 1.1 °0.0 ° min to max 3.0 ° 3.0 1.6 °
100 % Average g force 1.01 g0.91 g min to max 1.16 g 0.95 1.06 g
Info Average speed 66 kn63 kn min to max 68 kn 66 63 kn
Info Average VSI -232 ft/m-494 ft/m min to max -46 ft/m -428 -197 ft/m
Info Average altitude 14 ft agl1 ft agl min to max 40 ft agl 40 1 ft agl
Info Average pitch angle 1.2 °-0.9 ° min to max 3.2 ° -0.8 2.4 °
02505007501,0001,2501,5001,7502,00001223354658Runway Distance ftLanding Height ft02505007501,0001,2501,5001,7502,000-50-40-30-20-1001020304050Runway Distance ftRunway Width ft
Arrival Touchdown 94.59Touchdown point was 227 ft beyond the touchdown zone. Touchdown speed at 63 kn was good. Touchdown rate was good at -197 ft/m. Runway touchdown alignment was very good. Local weather - Temperature 76 °F. Wind 6 kn at 87 °. Crosswind: 0 kn Tailwind: 6 kn.
ScoreDescriptionStartProfileEnd
85 % Touchdown VSI was -197 ft/m.
100 % Touchdown distance was 1,501 ftTarget 1,500 ft
100 % Speed at touchdown 63 knTarget 66 kn
99 % Runway alignment max 5.9 ft5.8 ft left 5.8 5.3 ft
72 % Average bank angle 0.6 °0.0 ° min to max 1.6 ° 1.6 0.0 °
100 % Average g force 1.05 g0.85 g min to max 1.24 g 1.06 1.02 g
100 % Landing Bounce
Info Average speed 63 kn62 kn min to max 63 kn 63 62 kn
Info Average pitch angle 1.4 °-1.0 ° min to max 2.9 ° 2.4 0.5 °
Arrival Rollout 97.22Total landing distance 2,508 ft, 65 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
100 % Landing distance 2,508 ft65 % of runway.
94 % Runway alignment max 16.0 ft5.2 ft left to 10.9 ft right 5.2 -10.9 ft
100 % Average g force 1.00 g0.96 g min to max 1.04 g 1.02 1.01 g
Info Average speed 71 kn41 kn min to max 76 kn 76 41 kn
Info Average pitch angle -0.1 °-0.4 ° min to max 0.6 ° 0.6 -0.3 °
Info Average bank angle 0.2 °0.0 ° min to max 0.5 ° 0.1 0.5 °

Events

Fail Bounce during touchdown 2 ft agl · 62 kt
Runway Exit Exiting runway, average speed 17 kn
ScoreDescriptionStartProfileEnd
Info Average speed 24 kn12 kn min to max 35 kn 35 12 kn
Info Average pitch angle 0.6 °-0.2 ° min to max 0.8 ° -0.2 0.8 °
Info Average bank angle 0.2 °0.0 ° min to max 0.5 ° 0.4 0.1 °
Info Average g force 1.00 g0.99 g min to max 1.01 g 1.00 1.00 g
Arrival Taxi 100.00Taxiing to the parking from the runway took less than 1 minute. and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 7 kn4 kn min to max 12 kn 12 4 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 1.01 g 1.00 1.00 g
Info Average pitch angle 1.5 °1.0 ° min to max 1.7 ° 1.0 1.6 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.1 0.0 °

Events

Info Flaps Position 1 2 ft agl · 6 kt
Info Flaps Fully Retracted 2 ft agl · 6 kt

Takeoff

100.00Takeoff roll2,736 ft · 71 %
98.73Liftoff speed73 kt
97.48Runway alignment7.4 ft R
OkBounce on takeoffNone
99.66Rate of climb692 fpm

Landing

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

87.87Threshold height39 ft
85.33Threshold speed66 kt
100.00Centreline offset0.1 ft L

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 KBDU 26

Past threshold100.00
1,506ft
Centreline99.08
5.3ft L
Speed100.00
63kt
Touchdown rate84.51
-197fpm
Impact100.00
1.24G
BouncesOk
None

Side view — the last 3,875 ft of the approach.

39 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 1,000 ft This flight — 39 ft, down at 1,506 ft

Plan view — the full 3,875 ft runway, to the same scale as the side view.

1,0002,0003,000 THRESHOLD FULL SCORE TO 1,650 FT 1,506 ft past threshold CLEARED

The 1,506 ft touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 2,287 ft of 3,875 ft · 59 %
Rollout distance100.00
781ft59 % used
Rollout alignment93.82
10.9ft R

The rest of the report

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Flight map
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Takeoff report
Takeoff on runway 26 at KBDU Boulder Muni in the Piper PA-28 Arrow IV
98.36 %
98 %
Taxi
Taxiing from the parking to the runway took 4 minutes and covered less than 1 nm.
Taxi Lights
100 %
Switched On
Ground Speed kt
100 %
30 15 0
Turn Speed
95 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
1 0.5 0
Pitch °
Info
2 1 0
99.24 %
Takeoff Roll
Departure roll runway 26 at KBDU Boulder Muni. Takeoff distance 5,002 ft 129 % of runway. Liftoff speed was 74 kn. Local weather - Temperature 75 °F. Wind 6 kn at 83 °. Crosswind: 1 kn Tailwind: 6 kn.
Takeoff Distance
100 %
Roll distance of 5,002 ft using 129.08 % of runway
Liftoff Speed
98.73 %
Liftoff speed was 74 kn - Target 70 kn
Alignment
97.48 %
6.1 ft left to 7.4 ft right
Bounce
100 %
No Bounce Detected
Strobe Lights
0 %
Switched Off
Landing Lights
0 %
Switched Off
G
100 %
1.5 1 0.5
IAS kt
Info
80 45 10
Bank °
Info
1 0.5 0
Pitch °
Info
1 0.5 0
01,0002,0003,000-50-40-30-20-1001020304050 Runway Distance ft Runway Alignment to End of Runway ft
99.66 %
Climb 1
Departure climb to 50 ft agl from runway 26 KBDU Boulder Muni.
Alignment
100 %
2 0 -2
IAS kt
100 %
90 80 70
Bank °
100 %
2 1 0
G
96.57 %
1.5 1 0.5
Pitch °
Info
7 4 1
Climb Rate fpm
Info
900 400 -100
100 %
Climb 2
Departure climb to 400 ft agl from 26 KBDU Boulder Muni.
Alignment
100 %
2 0 -2
IAS kt
100 %
90 85 80
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Pitch °
Info
12 9 6
Climb Rate fpm
Info
1,800 1,250 700
94.9 %
Climb 3
Departure climb to 1,000 ft agl from 26 KBDU Boulder Muni.
Alignment
100 %
2 0 -2
IAS kt
100 %
100 95 90
Bank °
74.5 %
12 6 0
G
100 %
1.5 1 0.5
Pitch °
Info
11 9.5 8
Climb Rate fpm
Info
1,800 1,550 1,300
01,0002,0003,000020406080100 Runway Distance ft Height at End of Runway ft
00.250.50.7510100200300400500600700800900 Climb Distance NM Climb Profile to 1,000 ft
00.250.50.751-200-160-120-80-4004080120160200 Climb Distance NM Runway Alignment in (ft) to 1,000 ft
Landing report
Landing on runway 26 at KBDU Boulder Muni in the Piper PA-28 Arrow IV
Landing Score 95.42 %
99.56 %
Final 2
Approaching runway 26 at KBDU Boulder Muni from 2 nm to 1 nm. Descent from 350 ft agl to 328 ft agl. A decrease of 22 ft in 11 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
78 74 70
Alignment
100 %
0.5 0 -0.5
Bank °
97.81 %
4 2 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
13 -243 -500
11.251.51.752250300350400450 Distance to Touchdown NM Approach Height ft
11.251.51.752-150-113-75-3803875113150 Distance to Touchdown NM Approach Runway Alignment ft
99.37 %
Final 1
Approaching runway 26 at KBDU Boulder Muni from 1 nm to 0 nm. Descent from 323 ft agl to 44 ft agl. A decrease of 279 ft in 34 seconds.
Glideslope
96.9 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
96.9 %
4 3 2
IAS kt
100 %
76 68 60
Alignment
100 %
0.5 0 -0.5
Bank °
99.95 %
4 2 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-224 -462 -700
00.250.50.751050100150200250300350 Distance to Touchdown NM Approach Height ft
00.250.50.751-110-83-55-280285583110 Distance to Touchdown NM Approach Runway Alignment ft
90.49 %
Landing
Landing on runway 26 at KBDU Boulder Muni, runway length 3,875 ft. Good threshold height. Threshold speed was a little below target at 66 kn.
Height
87.87 %
Good threshold height. Target 50 ft agl
Speed
85.33 %
Threshold speed was a little below target at 66 kt. Target 75 kt
Flare
89.83 %
Very good landing flare
Centreline ft
100 %
100 0 -100
Bank °
97.32 %
4 2 0
G
100 %
1.5 1 0.5
IAS kt
Info
68 64 60
Pitch °
Info
4 2 0
Descent Rate fpm
Info
-46 -273 -500
02505007501,0001,2501,5001,7502,00001223354658 Runway Distance ft Landing Height ft
02505007501,0001,2501,5001,7502,000-50-40-30-20-1001020304050 Runway Distance ft Runway Width ft
94.59 %
Touchdown
Touchdown point was 227 ft beyond the touchdown zone. Touchdown speed at 63 kn was good. Touchdown rate was good at -197 ft/m. Runway touchdown alignment was very good. Local weather - Temperature 76 °F. Wind 6 kn at 87 °. Crosswind: 0 kn Tailwind: 6 kn.
Warning: Landed with a 6 kt tailwind
Touchdown
84.51 %
Touchdown rate was good at -197 fpm.
Speed
100 %
Touchdown speed at 63 kt was good. Target below 64 kn
Distance
100 %
Touchdown point was 227 ft beyond the touchdown zone.
Alignment
99.08 %
Runway touchdown alignment was very good.
Bank
72 %
Bank angle 0.6 °
G
100 %
G 1.05 g
Bounce
100 %
No Bounce Detected
97.22 %
Rollout
Total landing distance 2,508 ft, 65 % of runway. Runway rollout alignment was very good.
Distance
100 %
Landing distance 2,508 ft using 64.72 % of runway
Alignment
93.82 %
Runway rollout alignment was very good.
G
100 %
1.25 1 0.75
IAS kt
Info
62 46 30
Bank °
Info
1 0.5 0
Pitch °
Info
1 0.5 0
05001,0001,5002,000 Runway Distance ft Runway Width ft
100 %
Taxi
Taxiing to the parking from the runway took less than 1 minute. and covered less than 1 nm.
Landing Lights
100 %
Switched Off
Taxi Lights
100 %
Switched On
Ground Speed kt
100 %
30 15 0
Turn Speed
100 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
1 0.5 0
Pitch °
Info
2 1.5 1
Metrics
Metrics

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