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KBDU
Boulder, United States
Runway 08

Flight Score

89.88 %
KBDU
Boulder, United States
Runway 08
27 Sep 2023 0:06 9 nm BEECH B35-B33 7 lbs
Departure Score
89.94 %
Pattern Score
90.26 %
Arrival Score
89.44 %

What went well

Touched down at -88 ft/m — a soft arrival
Touchdown 908 ft in — inside the full-score zone
1.08 G at touchdown — inside band

What held you back

Departure Roll — landing lights off should be on, then strobe light off should be on; Liftoff speed was 82 kn at 4 %, −2.21 points
Arrival Landing — Landing and flare profile at 38 %, Threshold speed was well above target at 71 kn. at 71 %, −2.08 points
Pattern Downwind Turn — Angle to runway (45 degrees) 80.4 °. at 0 %, −1.43 points

Top opportunity

Know your rotation speed

Departure Roll

A typical trainer rotates in the mid-50s of knots - a 172 at around 55 KIAS, climbing out at a Vy in the low 70s, though check your own POH rather than memorising Cessna's numbers - and the transferable rule is that Vr sits just above the stall speed in takeoff configuration. Rotate early because "it felt ready" and the aircraft lifts off inside ground effect, where induced drag is reduced, then climbs out of it into more drag. On a marginal-performance day the result is an aircraft that lifts off and then refuses to climb, sagging back towards the runway.

Read more in Improve Your Take-Offs

Start to finish · 16 stages, 15 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 Roll 80.08Departure roll runway 08 at KBDU Boulder Muni. Takeoff distance 0 ft 0 % of runway. Liftoff speed was 82 kn. Local weather - Temperature 77 °F. Wind 7 kn at 102 °. Crosswind: 2 kn Headwind: 7 kn.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 0 ft0 % of runway
4 % Liftoff speed was 82 knTarget 75 kn
96 % Runway alignment max 11.1 ft8.5 ft left to 2.6 ft right -2.1 3.1 ft
100 % Average g force 1.00 g0.94 g min to max 1.06 g 1.00 1.06 g
100 % Takeoff Bounce
Info Average pitch angle 0.5 °-0.0 ° min to max 3.8 ° 0.3 3.8 °
Info Average bank angle 0.3 °0.0 ° min to max 0.8 ° 0.2 0.2 °

Events

Fail Landing Lights OFF should be ON
Fail Strobe Light OFF should be ON
Info Battery Master On 3 ft agl · 8 kt
Info Engine 1 Started 3 ft agl · 8 kt
Info Landing Gear Down 3 ft agl · 8 kt
Info Parking Brake On 3 ft agl · 8 kt
Departure Climb 1 99.74Departure climb to 50 ft agl from runway 08 KBDU Boulder Muni.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.1 °-0.1 ° min to max -0.0 ° -0.1 -0.1 °
100 % Average speed 84 kn82 kn min to max 85 kn 82 84 kn
99 % Average bank angle 1.6 °0.2 ° min to max 2.4 ° 0.2 0.4 °
100 % Average g force 1.10 g1.05 g min to max 1.15 g 1.08 1.06 g
Info Average VSI 669 ft/m426 ft/m min to max 895 ft/m 426 895 ft/m
Info Average altitude 20 ft agl0 ft agl min to max 49 ft agl 0 49 ft agl
Info Average pitch angle 7.4 °4.0 ° min to max 9.6 ° 4.0 9.6 °
Departure Climb 2 90.00Departure climb to 400 ft agl from 08 KBDU Boulder Muni.
ScoreDescriptionStartProfileEnd
100 % Average speed 84 kn79 kn min to max 87 kn 84 84 kn
100 % Average bank angle 1.4 °0.0 ° min to max 4.3 ° 0.3 3.8 °
100 % Average g force 1.03 g0.89 g min to max 1.09 g 1.06 0.92 g
Info Average VSI 1,188 ft/m902 ft/m min to max 1,717 ft/m 902 1,271 ft/m
Info Average altitude 152 ft agl56 ft agl min to max 523 ft agl 56 523 ft agl
Info Average pitch angle 10.4 °7.3 ° min to max 11.8 ° 9.6 9.4 °

Events

Info Landing Gear Up 68 ft agl · 94 kt
Info Taxi Lights Switched Off 115 ft agl · 91 kt
Pattern Entry 91.81Right hand pattern entry from runway 08 KBDU Boulder Muni. Distance was less than 1 nm in 24 seconds.
ScoreDescriptionStartProfileEnd
82 % Climb speed 93 kn83 kn min to max 98 knTarget 82 kn 83 94 kn
100 % Average bank angle 13.5 °6.0 ° min to max 18.6 ° 6.0 14.1 °
100 % Average g force 1.03 g0.84 g min to max 1.18 g 0.88 1.00 g
Info Average VSI 1,067 ft/m186 ft/m min to max 1,704 ft/m 1,085 1,222 ft/m
Info Average altitude 712 ft agl541 ft agl min to max 958 ft agl 541 958 ft agl
Info Average pitch angle 7.6 °3.7 ° min to max 9.8 ° 8.5 8.3 °
Pattern Crosswind 89.12Right hand pattern crosswind from runway 08 KBDU Boulder Muni. Distance was 1 nm in 31 seconds.
ScoreDescriptionStartProfileEnd
76 % Heading -8.6 °-180.0 ° min to max 18.6 ° -180.0 18.6 °
100 % Average speed 107 kn96 kn min to max 123 kn 96 123 kn
100 % Average g force 0.99 g0.86 g min to max 1.14 g 0.99 0.89 g
Info Average VSI 577 ft/m-251 ft/m min to max 1,187 ft/m 1,187 163 ft/m
Info Average altitude 1,161 ft agl997 ft agl min to max 1,269 ft agl 997 1,269 ft agl
Info Average bank angle 8.2 °2.0 ° min to max 12.9 ° 12.9 12.7 °
Info Average pitch angle 3.9 °0.1 ° min to max 7.2 ° 7.1 0.2 °
Pattern Downwind Turn 70.00Pattern Downwind Turn. Distance was 2 nm. Angle to runway (45 degrees) 80.4 °.
ScoreDescriptionStartProfileEnd
0 % Angle to runway (45 degrees) 80.4 °.
100 % Average speed 142 kn125 kn min to max 156 kn 125 156 kn
100 % Average bank angle 11.5 °9.1 ° min to max 14.8 ° 13.1 9.1 °
100 % Average g force 1.02 g0.94 g min to max 1.09 g 0.98 1.04 g
Info Average VSI -72 ft/m-474 ft/m min to max 245 ft/m -48 -249 ft/m
Info Average altitude 1,258 ft agl1,218 ft agl min to max 1,277 ft agl 1,267 1,218 ft agl
Info Average pitch angle 0.1 °-1.8 ° min to max 1.6 ° -0.1 -0.5 °
Pattern Downwind 85.14Pattern Downwind Leg. Distance was 2 nm in 34 seconds.
ScoreDescriptionStartProfileEnd
100 % Heading -1.8 °-19.2 ° min to max 90.0 ° -19.2 17.8 °
50 % Average altitude 1,273 ft agl1,213 ft agl min to max 1,356 ft agl 1,215 1,356 ft agl
100 % Average speed 158 kn155 kn min to max 161 kn 156 155 kn
100 % Average g force 1.03 g0.96 g min to max 1.07 g 1.04 1.05 g
Info Average VSI 225 ft/m-184 ft/m min to max 450 ft/m -184 450 ft/m
Info Average bank angle 10.9 °5.8 ° min to max 18.6 ° 9.6 18.6 °
Info Average pitch angle 0.9 °-0.7 ° min to max 2.2 ° -0.7 2.2 °
Pattern Base Leg Turn 100.00Pattern Base Leg Turn. Distance was 3 nm. Angle to runway (45 degrees) 49.1 °.
ScoreDescriptionStartProfileEnd
100 % Angle to runway (45 degrees) 49.1 °.
100 % Average speed 155 kn152 kn min to max 160 kn 154 160 kn
100 % Average bank angle 16.0 °12.4 ° min to max 19.1 ° 18.5 13.8 °
100 % Average g force 1.03 g0.98 g min to max 1.11 g 1.06 1.08 g
Info Average VSI -218 ft/m-668 ft/m min to max 442 ft/m 442 -377 ft/m
Info Average altitude 1,330 ft agl1,245 ft agl min to max 1,390 ft agl 1,364 1,245 ft agl
Info Average pitch angle -0.4 °-2.2 ° min to max 2.2 ° 2.2 -0.9 °
Pattern Base Leg 96.27Pattern Base Leg. Distance was 1 nm in 21 seconds.
ScoreDescriptionStartProfileEnd
92 % Heading -6.2 °-20.8 ° min to max 15.7 ° -20.8 15.7 °
100 % Average speed 155 kn143 kn min to max 162 kn 160 143 kn
100 % Average g force 1.06 g0.96 g min to max 1.12 g 1.10 1.08 g
Info Average VSI 171 ft/m-258 ft/m min to max 456 ft/m -258 250 ft/m
Info Average altitude 1,273 ft agl1,236 ft agl min to max 1,323 ft agl 1,242 1,323 ft agl
Info Average bank angle 16.1 °9.8 ° min to max 25.8 ° 12.3 25.8 °
Info Average pitch angle 0.7 °-1.4 ° min to max 1.7 ° -1.4 1.3 °
Pattern Final Turn 99.49Pattern Final Turn. Distance was 2 nm in 43 seconds.
ScoreDescriptionStartProfileEnd
100 % Average speed 132 kn108 kn min to max 145 kn 142 108 kn
100 % Average bank angle 10.6 °2.1 ° min to max 28.0 ° 26.1 2.8 °
95 % Average g force 1.02 g0.77 g min to max 1.34 g 1.10 1.16 g
Info Average VSI -1,149 ft/m-2,125 ft/m min to max 210 ft/m 210 -1,023 ft/m
Info Average altitude 830 ft agl460 ft agl min to max 1,328 ft agl 1,326 460 ft agl
Info Average pitch angle -3.3 °-7.6 ° min to max 1.3 ° 0.6 -0.0 °

Events

Info Landing Gear Down 924 ft agl · 157 kt
Info Flaps Position 1 529 ft agl · 135 kt
Arrival Final 2 99.15Approaching runway 08 at KBDU Boulder Muni from 2 nm to 1 nm. Descent from 442 ft agl to 371 ft agl. A decrease of 71 ft in 6 seconds.
ScoreDescriptionStartProfileEnd
98 % Approach angle 3.5 °3.5 ° min to max 3.6 °Target 3.0 ° 3.6 3.5 °
100 % Average speed 98 kn96 kn min to max 101 kn 101 96 kn
100 % Heading variation -0.5 °-0.6 ° min to max -0.4 ° -0.4 -0.6 °
99 % Average bank angle 2.2 °0.5 ° min to max 3.4 ° 0.6 3.2 °
100 % Average g force 0.96 g0.82 g min to max 1.12 g 0.94 0.96 g
Info Average VSI -705 ft/m-899 ft/m min to max -544 ft/m -634 -544 ft/m
Info Average altitude 406 ft agl371 ft agl min to max 442 ft agl 442 371 ft agl
Info Average pitch angle -2.0 °-3.3 ° min to max 1.3 ° 1.3 -3.3 °

Events

Info Flaps Position 2 348 ft agl · 110 kt
11.251.51.752300350400Distance to Touchdown NMApproach Height ft11.251.51.752-130-98-65-330336598130Distance to Touchdown NMApproach Runway Alignment ft
Arrival Final 1 92.75Approaching runway 08 at KBDU Boulder Muni from 1 nm to 0 nm. Descent from 362 ft agl to 31 ft agl. A decrease of 331 ft in 34 seconds.
ScoreDescriptionStartProfileEnd
78 % Approach angle 2.6 °2.1 ° min to max 3.6 °Target 3.0 ° 3.5 2.1 °
100 % Average speed 75 kn70 kn min to max 95 kn 95 71 kn
91 % Heading variation 0.1 °-0.5 ° min to max 0.2 ° -0.5 0.1 °
95 % Average bank angle 1.1 °0.0 ° min to max 4.8 ° 3.7 0.5 °
100 % Average g force 1.00 g0.90 g min to max 1.17 g 1.01 0.98 g
Info Average VSI -439 ft/m-944 ft/m min to max -325 ft/m -563 -493 ft/m
Info Average altitude 90 ft agl31 ft agl min to max 362 ft agl 362 31 ft agl
Info Average pitch angle -1.6 °-4.2 ° min to max -0.5 ° -3.6 -2.1 °
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-110-83-55-280285583110Distance to Touchdown NMApproach Runway Alignment ft
Arrival Landing 68.74Landing on runway 08 at KBDU Boulder Muni, runway length 3,875 ft. Good threshold height. Threshold speed was well above target at 71 kn.
ScoreDescriptionStartProfileEnd
71 % Threshold speed was well above target at 71 kn. Target 70 kn
67 % Target 50 ft agl
38 % Landing and flare profile
96 % Heading variation 0.2 °0.1 ° min to max 0.3 ° 0.1 0.3 °
100 % Average bank angle 0.4 °0.0 ° min to max 1.1 ° 0.5 1.1 °
100 % Average g force 1.03 g0.97 g min to max 1.07 g 0.98 1.01 g
Info Average speed 69 kn65 kn min to max 72 kn 71 66 kn
Info Average VSI -284 ft/m-513 ft/m min to max -74 ft/m -495 -88 ft/m
Info Average altitude 9 ft agl0 ft agl min to max 30 ft agl 30 0 ft agl
Info Average pitch angle -0.0 °-2.1 ° min to max 1.2 ° -2.1 0.9 °
02505007501,00001223354658Runway Distance ftLanding Height ft02505007501,000-50-40-30-20-1001020304050Runway Distance ftRunway Width ft
Arrival Touchdown 91.68Touchdown distance was good at 903 ft. Touchdown speed at 66 knwas fast. Touchdown rate was excellent at -88 ft/m. Runway touchdown position was slightly misaligned by 16 ft from centreline. Local weather - Temperature 78 °F. Wind 6 kn at 104 °. Crosswind: 1 kn Headwind: 6 kn.
ScoreDescriptionStartProfileEnd
96 % Touchdown VSI was -88 ft/m.
100 % Touchdown distance was 903 ftTarget 1,500 ft
73 % Speed at touchdown 66 knTarget 61 kn
88 % Runway alignment max 16.1 ft16.0 ft left 16.0 15.9 ft
97 % Average bank angle 0.4 °0.0 ° min to max 1.1 ° 1.1 0.0 °
100 % Average g force 1.04 g1.01 g min to max 1.08 g 1.01 1.03 g
100 % Landing Bounce
Info Average speed 66 kn65 kn min to max 66 kn 66 65 kn
Info Average pitch angle 0.5 °0.3 ° min to max 0.9 ° 0.9 0.3 °
Arrival Rollout 94.88Total landing distance 1,728 ft, 45 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
100 % Landing distance 1,728 ft45 % of runway.
89 % Runway alignment max 18.6 ft15.8 ft left to 2.8 ft right 15.8 -2.8 ft
100 % Average g force 1.01 g0.99 g min to max 1.03 g 1.03 1.00 g
Info Average speed 62 kn35 kn min to max 66 kn 66 35 kn
Info Average pitch angle 0.1 °-0.4 ° min to max 0.3 ° 0.3 -0.2 °
Info Average bank angle 0.3 °0.0 ° min to max 0.6 ° 0.0 0.2 °
Runway Exit Exiting runway, average speed 8 kn
ScoreDescriptionStartProfileEnd
Info Average speed 9 kn6 kn min to max 30 kn 30 8 kn
Info Average pitch angle 0.5 °-0.3 ° min to max 0.8 ° -0.3 0.7 °
Info Average bank angle 0.4 °0.0 ° min to max 1.6 ° 0.5 0.1 °
Info Average g force 1.00 g0.99 g min to max 1.00 g 0.99 1.00 g

Events

Info Engine 1 Stopped 3 ft agl · 16 kt
Info Flaps Fully Retracted 3 ft agl · 16 kt

Takeoff

80.08 %
100.00Takeoff roll2,473 ft · 64 %
4.04Liftoff speed81 kt
96.36Runway alignment3.1 ft L
OkBounce on takeoffNone
99.74Rate of climb668 ft/m
Takeoff weight2,274 lbs
Airfield elevation5,285 ft asl
Wind103° · 7 kn · 2 kn cross

Approach

95.95 %
Not assessed500 ft gateNot recorded
66.98Threshold height30 ft
71.11Threshold speed70 kt
96.07Centreline offset0.3 ft L

Touchdown

91.68 %
100.00Touchdown point908 ft
88.31Centreline at touchdown15.9 ft L
95.98Sink rate-88 ft/m
100.00Touchdown force1.08 G
OkBouncesNone
94.88Rollout distance758 ft · 43 % used
Landing weight2,267 lbs
Airfield elevation5,279 ft asl
Wind104° · 6 kn · 2 kn cross

The stabilisation gates

One stabilised approach gate for a circuit: six checks at the point nearest 500 ft above the runway after the base turn. The 1,000 ft gate is an instrument-approach check and does not apply.

Six checks, one gate500 ft
Gear down
Landing flap
Sink rate
On glideslope
On centreline
On speed

Touchdown on KBDU 08

Past threshold
908 ft
Off centreline
15.9 ftL
Sink rate
-88 ft/m
Impact
1.08G

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

30 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 1,000 ft This flight — 30 ft, down at 908 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 908 ft past threshold CLEARED

The 908 ft touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 1,666 ft of 3,875 ft · 43 %

The rest of the report

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Flight map
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Takeoff report
Takeoff on runway 08 at KBDU Boulder Muni in the BEECH B35-B33
89.94 %
80.08 %
Takeoff Roll
Departure roll runway 08 at KBDU Boulder Muni. Takeoff distance 0 ft 0 % of runway. Liftoff speed was 82 kn. Local weather - Temperature 77 °F. Wind 7 kn at 102 °. Crosswind: 2 kn Headwind: 7 kn.
Takeoff Distance
100 %
Roll distance of 0 ft using 0 % of runway
Liftoff Speed
4.04 %
Liftoff speed was 82 kn - Target 55 kn
Alignment
96.36 %
8.5 ft left to 2.6 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
90 45 0
Bank °
Info
1 0.5 0
Pitch °
Info
4 2 0
01,0002,0003,000-50-40-30-20-1001020304050 Runway Distance ft Runway Alignment to End of Runway ft
99.74 %
Climb 1
Departure climb to 50 ft agl from runway 08 KBDU Boulder Muni.
Alignment
100 %
2 0 -2
IAS kt
100 %
90 85 80
Bank °
98.95 %
3 1.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
10 7 4
Climb Rate fpm
Info
900 400 -100
90 %
Climb 2
Departure climb to 400 ft agl from 08 KBDU Boulder Muni.
Alignment
0 %
2 0 -2
IAS kt
100 %
90 80 70
Bank °
100 %
5 2.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
12 9.5 7
Climb Rate fpm
Info
1,800 1,300 800
01,0002,0003,0000326496128160 Runway Distance ft Height at End of Runway ft
00.250.50100200300400500 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 08 at KBDU Boulder Muni in the BEECH B35-B33
Landing Score 87.01 %
99.15 %
Final 2
Approaching runway 08 at KBDU Boulder Muni from 2 nm to 1 nm. Descent from 442 ft agl to 371 ft agl. A decrease of 71 ft in 6 seconds.
Glideslope
97.89 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
97.89 %
4 3 2
IAS kt
100 %
101 95 90
Alignment
100 %
0.5 0 -0.5
Bank °
98.89 %
4 2 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-544 -722 -900
11.251.51.752300350400 Distance to Touchdown NM Approach Height ft
11.251.51.752-130-98-65-330336598130 Distance to Touchdown NM Approach Runway Alignment ft
92.75 %
Final 1
Approaching runway 08 at KBDU Boulder Muni from 1 nm to 0 nm. Descent from 362 ft agl to 31 ft agl. A decrease of 331 ft in 34 seconds.
Glideslope
77.8 %
Excellent glideslope alignment
Heading
90.71 %
Great heading alignment
Glideslope °
77.8 %
4 3 2
IAS kt
100 %
95 83 70
Alignment
90.71 %
0.5 0 -0.5
Bank °
95.24 %
5 2.5 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-325 -662 -1,000
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
68.74 %
Landing
Landing on runway 08 at KBDU Boulder Muni, runway length 3,875 ft. Good threshold height. Threshold speed was well above target at 71 kn.
Height
66.98 %
Good threshold height. Target 50 ft agl
Speed
71.11 %
Threshold speed was well above target at 71 kt. Target 60 kt
Flare
38.43 %
Very poor landing flare
Centreline ft
96.07 %
100 0 -100
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
IAS kt
Info
72 66 60
Pitch °
Info
2 0 -2
Descent Rate fpm
Info
-74 -337 -600
02505007501,00001223354658 Runway Distance ft Landing Height ft
02505007501,000-50-40-30-20-1001020304050 Runway Distance ft Runway Width ft
91.68 %
Touchdown
Touchdown distance was good at 903 ft. Touchdown speed at 66 knwas fast. Touchdown rate was excellent at -88 ft/m. Runway touchdown position was slightly misaligned by 16 ft from centreline. Local weather - Temperature 78 °F. Wind 6 kn at 104 °. Crosswind: 1 kn Headwind: 6 kn.
Touchdown
95.98 %
Touchdown rate was excellent at -88 ft/m.
Speed
73.08 %
Touchdown speed at 66 kt was fast. Target below 56 kn
Distance
100 %
Touchdown distance was good at 903 ft.
Alignment
88.31 %
Runway touchdown position was slightly misaligned by 16 ft from centreline.
Bank
96.5 %
Bank angle 0.4 °
G
100 %
G 1.04 g
Bounce
100 %
No Bounce Detected
94.88 %
Rollout
Total landing distance 1,728 ft, 45 % of runway. Runway rollout alignment was very good.
Distance
100 %
Landing distance 1,728 ft using 44.59 % of runway
Alignment
88.63 %
Runway rollout alignment was very good.
G
100 %
1.25 1 0.75
IAS kt
Info
65 47 30
Bank °
Info
1 0.5 0
Pitch °
Info
1 0.5 0
05001,0001,500 Runway Distance ft Runway Width ft
Metrics
Metrics

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