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VTUD
Udon Thani, Thailand
Runway 12
Elevation577 ft asl
Weight6,260 kg
Fuel1,427 kg
Wind18° · 2 kn · 2 kn cross

Flight Score

96.13 %
VVDN
Da Nang, Vietnam
Runway 35L
Elevation23 ft asl
Weight5,628 kg
Fuel779 kg
Wind250° · 4 kn · 3 kn cross
22 Dec 2024 1:08 340 nm Cessna CJ4 Citation 648 kg
Departure Score
97.08 %
Enroute Score
91.96 %
Arrival Score
99.36 %

What went well

Touched down at -85 fpm — a soft arrival
Touchdown 353 m in — inside the full-score zone
Straight touchdown — 1.68 m off the centreline, no bounce

What held you back

Enroute Climb — 250 kt exceeded below 10,000 ft; speed limits at 0 %, −2.67 points
Departure Roll — Landing Lights at 0 %, Strobe Lights at 0 %, −0.97 points
Arrival Rollout — Runway alignment max 6.63 m at 93 %, −0.14 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 · 20 stages, 18 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 100.00Taxiing from the parking to the runway took 8 minutes and covered 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 11 kn0 kn min to max 17 kn 0 10 kn
100 % Average speed turning corners 14 knmax 14 kn 0 0 kn
100 % Average g force 1.00 g0.98 g min to max 1.01 g 1.00 1.00 g
Info Average pitch angle -1.9 °-2.0 ° min to max -1.7 ° -1.9 -1.8 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.0 0.0 °

Events

Info Battery Master On 2 ft agl
Info Engine 1 Started 2 ft agl
Info Beacon Lights Switched On 2 ft agl
Info Landing Gear Down 2 ft agl
Info Parking Brake On 2 ft agl
Info Engine 2 Started 2 ft agl
Info Taxi Lights Switched On 2 ft agl
Info Flaps Position 1 2 ft agl
Info Parking Brake Off 2 ft agl
Departure Runway Entry Entering runway 12 at VTUD Udon Thani Airport, Average speed was 11 kn.
ScoreDescriptionStartProfileEnd
Info Average speed 10 kn10 kn min to max 10 kn 10 10 kn
Info Average pitch angle -1.9 °-2.0 ° min to max -1.8 ° -1.8 -1.8 °
Info Average bank angle 0.2 °0.0 ° min to max 0.4 ° 0.1 0.3 °
Info Average g force 1.00 g0.99 g min to max 1.00 g 1.00 1.00 g
Departure Roll 85.42Departure roll runway 12 at VTUD Udon Thani Airport. Takeoff distance 633 m 21 % of runway. Liftoff speed was 125 kn. Local weather - Temperature 17 °C. Wind 2 kn at 18 °. Crosswind: 2 kn Headwind: 0 kn.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 633 m21 % of runway
100 % Liftoff speed was 125 knTarget 130 kn
77 % Runway alignment max 14.95 m5.63 m left to 9.32 m right -7.59 3.09 m
100 % Average g force 1.01 g0.97 g min to max 1.16 g 1.00 1.16 g
100 % Takeoff Bounce
Info Average pitch angle -1.8 °-2.2 ° min to max 4.7 ° -1.8 4.7 °
Info Average bank angle 0.1 °0.0 ° min to max 0.4 ° 0.2 0.0 °

Events

Fail Landing Lights
Fail Strobe Lights
Info Autopilot Flight Director Activated 2 ft agl · 8 kt
Departure Climb 1 100.00Departure climb to 50 ft agl from runway 12 VTUD Udon Thani Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.2 °-0.2 ° min to max 0.5 ° -0.2 0.5 °
100 % Average speed 139 kn126 kn min to max 152 kn 126 152 kn
100 % Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.0 0.2 °
100 % Average g force 1.06 g0.85 g min to max 1.36 g 1.21 1.14 g
Info Average VSI 536 fpm442 fpm min to max 714 fpm 442 714 fpm
Info Average altitude 22 ft agl0 ft agl min to max 47 ft agl 0 47 ft agl
Info Average pitch angle 4.3 °3.2 ° min to max 6.2 ° 5.2 5.4 °

Events

Info Landing Gear Up 26 ft agl · 142 kt
Info Flaps Fully Retracted 48 ft agl · 154 kt
Departure Climb 2 100.00Departure climb to 400 ft agl from 12 VTUD Udon Thani Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.7 °0.5 ° min to max 1.3 ° 0.5 1.3 °
100 % Average speed 163 kn152 kn min to max 208 kn 152 208 kn
100 % Average bank angle 0.4 °0.1 ° min to max 0.9 ° 0.2 0.1 °
100 % Average g force 1.11 g0.80 g min to max 1.36 g 1.14 1.03 g
Info Average VSI 1,149 fpm724 fpm min to max 3,259 fpm 724 3,259 fpm
Info Average altitude 92 ft agl47 ft agl min to max 363 ft agl 47 363 ft agl
Info Average pitch angle 7.0 °4.0 ° min to max 10.2 ° 5.4 10.2 °

Events

Info Autopilot Master Switched On 163 ft agl · 187 kt
Info Autopilot Yaw Damper Activated 163 ft agl · 187 kt
Info Autopilot Heading Hold Activated 255 ft agl · 204 kt
Departure Climb 3 100.00Departure climb to 1,000 ft agl from 12 VTUD Udon Thani Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 1.5 °1.4 ° min to max 1.6 ° 1.4 1.6 °
100 % Average speed 226 kn212 kn min to max 239 kn 212 239 kn
100 % Average bank angle 0.6 °0.1 ° min to max 1.3 ° 0.2 0.1 °
100 % Average g force 1.10 g0.98 g min to max 1.46 g 1.02 1.46 g
100 % Landing gear up
Info Average VSI 4,072 fpm3,476 fpm min to max 5,114 fpm 3,476 5,114 fpm
Info Average altitude 690 ft agl422 ft agl min to max 987 ft agl 422 987 ft agl
Info Average pitch angle 10.8 °9.8 ° min to max 14.7 ° 10.1 14.7 °
Enroute Climb 59.89Enroute climb started overhead VTUD Udon Thani Airport Udon Thani (Changwat Udon Thani, Thailand). Climbing from 1,677 ft asl to 35,723 ft asl, an increase of 34,046 ft in 19 minutes and covering 110 nm.
ScoreDescriptionStartProfileEnd
0 % Average speed 254 kn223 kn min to max 301 kn 240 229 kn
100 % Average bank angle 5.8 °0.0 ° min to max 33.8 ° 0.5 0.1 °
99 % Average g force 1.00 g0.46 g min to max 1.54 g 1.53 1.01 g
Info Average VSI 2,203 fpm-479 fpm min to max 9,351 fpm 6,004 1,693 fpm
Info Average altitude 15,621 ft asl1,677 ft asl min to max 35,723 ft asl 1,677 35,723 ft asl
Info Average pitch angle 4.1 °-1.7 ° min to max 21.9 ° 16.9 2.6 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Exceeded 250 kn below 10000 ft 9,041 ft agl
Info Autopilot Nav1 Lock Activated 1,992 ft agl · 242 kt
Info Autopilot Heading Hold Deactivated 1,992 ft agl · 242 kt
Info Autopilot Altitude Hold Activated 8,151 ft agl · 287 kt
Info Pitot Heat Switched On 8,084 ft agl · 293 kt
Info Navigation Lights Switched On 8,071 ft agl · 291 kt
Info Autopilot Altitude Hold Deactivated 8,035 ft agl · 284 kt
Info Autopilot Altitude Hold Activated 9,151 ft agl · 288 kt
Info Autopilot Altitude Hold Deactivated 9,161 ft agl · 348 kt
Info Taxi Lights Switched Off 17,096 ft agl · 324 kt
Info Strobe Lights Switched On 17,197 ft agl · 324 kt
Info Autopilot Altitude Hold Activated 26,540 ft agl · 401 kt
Info Autopilot Altitude Hold Deactivated 26,381 ft agl · 405 kt
Enroute Level 99.93Enroute level cruise started 9 miles south of That Phanom (Changwat Nakhon Phanom, Thailand) and lasted 21 minutes, covering 145 nm.
ScoreDescriptionStartProfileEnd
99.8 % Average altitude 36,433 ft asl35,923 ft asl min to max 36,459 ft asl 35,923 36,456 ft asl
100 % Average speed 234 kn205 kn min to max 263 kn 226 218 kn
100 % Average bank angle 3.4 °0.0 ° min to max 16.0 ° 0.1 0.0 °
100 % Average g force 1.00 g0.93 g min to max 1.07 g 0.93 0.98 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 0.1 °-0.4 ° min to max 1.2 ° 0.1 0.3 °

Events

Info Autopilot Vertical Hold Activated 35,336 ft agl · 398 kt
Info Autopilot Altitude Hold Activated 35,981 ft agl · 406 kt
Info Autopilot Vertical Hold Deactivated 35,981 ft agl · 406 kt
Enroute Descent 100.00Enroute descent started 33 miles east of Salavan (Salavan, Laos). Descent from 36,457 ft asl to 3,226 ft asl, a decrease of 33,231 ft in 15 minutes and covering 69 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 219 kn170 kn min to max 242 kn 218 170 kn
100 % Average bank angle 9.5 °0.0 ° min to max 31.9 ° 0.1 2.2 °
100 % Average g force 1.02 g0.84 g min to max 1.25 g 1.00 1.01 g
Info Average VSI -2,201 fpm-4,698 fpm min to max 34 fpm 34 -1,072 fpm
Info Average altitude 18,856 ft asl3,226 ft asl min to max 36,457 ft asl 36,457 3,226 ft asl
Info Average pitch angle -3.9 °-7.1 ° min to max 0.4 ° 0.4 -3.9 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Autopilot Altitude Hold Deactivated 33,333 ft agl · 387 kt
Info Autopilot Altitude Hold Activated 9,948 ft agl · 265 kt
Info Autopilot Altitude Hold Deactivated 9,898 ft agl · 264 kt
Info Autopilot Vertical Hold Activated 9,898 ft agl · 264 kt
Info Autopilot Vertical Hold Deactivated 8,030 ft agl · 265 kt
Info Flaps Position 1 5,173 ft agl · 220 kt
Enroute Level 2 100.00Enroute level cruise started 8 miles west of Hoi An (Tinh Quang Nam, Vietnam) and lasted 2 minutes, covering 3 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 3,147 ft asl2,757 ft asl min to max 3,184 ft asl 3,171 2,757 ft asl
100 % Average speed 118 kn100 kn min to max 160 kn 160 111 kn
100 % Average bank angle 8.9 °1.4 ° min to max 17.2 ° 1.4 1.7 °
100 % Average g force 1.01 g0.96 g min to max 1.08 g 0.96 0.99 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 1.8 °-2.0 ° min to max 5.9 ° 0.6 -1.5 °

Events

Info Landing Gear Down 3,142 ft agl · 165 kt
Info Flaps Position 2 3,150 ft agl · 141 kt
Info Autopilot Nav1 Lock Deactivated 3,161 ft agl · 111 kt
Info Autopilot Approach Mode Activated 3,161 ft agl · 111 kt
Info Autopilot Altitude Hold Deactivated 3,159 ft agl · 114 kt
Enroute Descent 2 100.00Enroute descent started 6 miles west of Hoi An (Tinh Quang Nam, Vietnam). Descent from 2,666 ft asl to 1,299 ft asl, a decrease of 1,367 ft in 3 minutes and covering 4 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 105 kn101 kn min to max 115 kn 112 102 kn
100 % Average bank angle 1.1 °0.0 ° min to max 2.8 ° 2.5 2.8 °
100 % Average g force 1.00 g0.94 g min to max 1.09 g 1.01 0.99 g
Info Average VSI -519 fpm-698 fpm min to max -408 fpm -563 -608 fpm
Info Average altitude 1,688 ft asl1,299 ft asl min to max 2,666 ft asl 2,666 1,299 ft asl
Info Average pitch angle -0.7 °-3.6 ° min to max 1.2 ° -1.6 -0.3 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Landing Lights Switched On 1,409 ft agl · 113 kt
Arrival Final 4 99.79Approaching runway 35L at VVDN Da Nang International Airport from 4 nm to 3 nm. Descent from 1,266 ft agl to 959 ft agl. A decrease of 307 ft in 35 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °3.0 ° min to max 3.0 °Target 3.0 ° 3.0 3.0 °
100 % Average speed 103 kn99 kn min to max 106 kn 104 105 kn
100 % Heading variation -0.1 °-0.1 ° min to max -0.0 ° -0.1 -0.1 °
99 % Average bank angle 1.7 °0.1 ° min to max 3.4 ° 1.7 0.7 °
100 % Average g force 1.00 g0.95 g min to max 1.06 g 1.06 1.00 g
Info Average VSI -527 fpm-634 fpm min to max -409 fpm -601 -586 fpm
Info Average altitude 1,115 ft agl959 ft agl min to max 1,266 ft agl 1,266 959 ft agl
Info Average pitch angle 0.2 °-0.9 ° min to max 2.2 ° 0.3 0.1 °
33.253.53.7549009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500Distance to Touchdown NMApproach Height ft33.253.53.754-120-90-60-300306090120Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 3 100.00Approaching runway 35L at VVDN Da Nang International Airport from 3 nm to 2 nm. Descent from 949 ft agl to 641 ft agl. A decrease of 308 ft in 32 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °3.0 ° min to max 3.0 °Target 3.0 ° 3.0 3.0 °
100 % Average speed 104 kn104 kn min to max 105 kn 105 104 kn
100 % Heading variation -0.1 °-0.1 ° min to max -0.1 ° -0.1 -0.1 °
100 % Average bank angle 0.9 °0.0 ° min to max 1.8 ° 1.1 0.8 °
100 % Average g force 1.00 g0.99 g min to max 1.02 g 1.02 0.99 g
Info Average VSI -562 fpm-580 fpm min to max -543 fpm -578 -565 fpm
Info Average altitude 797 ft agl641 ft agl min to max 949 ft agl 949 641 ft agl
Info Average pitch angle 0.4 °0.3 ° min to max 0.6 ° 0.3 0.3 °
22.252.52.7535506006507007508008509009501,0001,0501,100Distance to Touchdown NMApproach Height ft22.252.52.753-100-75-50-250255075100Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 2 100.00Approaching runway 35L at VVDN Da Nang International Airport from 2 nm to 1 nm. Descent from 631 ft agl to 321 ft agl. A decrease of 311 ft in 33 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °3.0 ° min to max 3.0 °Target 3.0 ° 3.0 3.0 °
100 % Average speed 104 kn104 kn min to max 105 kn 104 104 kn
100 % Heading variation -0.1 °-0.1 ° min to max -0.0 ° -0.1 -0.0 °
100 % Average bank angle 0.5 °0.0 ° min to max 1.1 ° 0.7 0.1 °
100 % Average g force 1.00 g0.98 g min to max 1.01 g 1.00 1.00 g
Info Average VSI -565 fpm-594 fpm min to max -545 fpm -580 -549 fpm
Info Average altitude 477 ft agl321 ft agl min to max 631 ft agl 631 321 ft agl
Info Average pitch angle 0.4 °0.2 ° min to max 0.6 ° 0.3 0.4 °
11.251.51.752250300350400450500550600650700750Distance to Touchdown NMApproach Height ft11.251.51.752-80-60-40-20020406080Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 1 98.50Approaching runway 35L at VVDN Da Nang International Airport from 1 nm to 0 nm. Descent from 312 ft agl to 32 ft agl. A decrease of 280 ft in 27 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 2.4 °1.8 ° min to max 3.0 °Target 3.0 ° 3.0 1.8 °
100 % Average speed 101 kn99 kn min to max 104 kn 104 99 kn
100 % Heading variation -0.1 °-0.3 ° min to max 0.0 ° 0.0 -0.0 °
92 % Average bank angle 1.0 °0.0 ° min to max 6.0 ° 0.1 1.5 °
100 % Average g force 1.00 g0.98 g min to max 1.07 g 0.99 1.02 g
Info Average VSI -606 fpm-674 fpm min to max -529 fpm -554 -592 fpm
Info Average altitude 91 ft agl32 ft agl min to max 312 ft agl 312 32 ft agl
Info Average pitch angle 0.9 °0.2 ° min to max 1.7 ° 0.3 1.7 °

Events

Info Autopilot Master Switched Off 216 ft agl · 103 kt
Info Autopilot Yaw Damper Deactivated 205 ft agl · 103 kt
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-60-45-30-15015304560Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 99.83Landing on runway 35L at VVDN Da Nang International Airport, runway length 3,048 m. Good threshold height. Threshold speed was slightly below target at 99 kn.
ScoreDescriptionStartProfileEnd
99.8 % Threshold speed was slightly below target at 99 kn. Target 110 kn
100 % Target 50 ft agl
100 % Landing and flare profile
100 % Heading variation 0.0 °-0.0 ° min to max 0.1 ° -0.0 0.0 °
99 % Average bank angle 2.1 °1.5 ° min to max 2.8 ° 1.5 1.6 °
100 % Average g force 1.04 g0.95 g min to max 1.16 g 1.02 0.95 g
Info Average speed 95 kn89 kn min to max 99 kn 99 89 kn
Info Average VSI -300 fpm-591 fpm min to max -69 fpm -591 -82 fpm
Info Average altitude 9 ft agl1 ft agl min to max 28 ft agl 28 1 ft agl
Info Average pitch angle 3.8 °1.6 ° min to max 4.8 ° 1.7 3.7 °

Events

Info Autopilot Approach Mode Deactivated 4 ft agl · 90 kt
07515022530037501123344657Runway Distance mLanding Height ft075150225300375-20-16-12-8-4048121620Runway Distance mRunway Width m
Arrival Touchdown 100.00Touchdown distance was good at 352 m. Touchdown speed at 89 kn was good. Touchdown rate was excellent at -82 fpm. Runway touchdown alignment was very good. Local weather - Temperature 19 °C. Wind 4 kn at 250 °. Crosswind: 3 kn Tailwind: 1 kn.
ScoreDescriptionStartProfileEnd
100 % Touchdown VSI was -82 fpm.
100 % Touchdown distance was 352 mTarget 457 m
100 % Speed at touchdown 89 knTarget 99 kn
100 % Runway alignment max 2.27 m2.01 m left 2.27 1.68 m
100 % Average bank angle 0.7 °0.2 ° min to max 1.6 ° 1.6 0.2 °
100 % Average g force 1.05 g0.95 g min to max 1.12 g 0.95 1.06 g
100 % Landing Bounce
Info Average speed 89 kn88 kn min to max 89 kn 89 88 kn
Info Average pitch angle 3.7 °3.7 ° min to max 3.8 ° 3.7 3.8 °

Events

Info Runway Surface Conditions 3 ft agl · 89 kt
Arrival Rollout 96.73Total landing distance 1,726 m, 57 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
100 % Landing distance 1,726 m57 % of runway.
93 % Runway alignment max 6.63 m1.59 m left to 5.04 m right 1.59 -1.05 m
100 % Average g force 1.00 g0.97 g min to max 1.05 g 1.05 0.99 g
Info Average speed 76 kn46 kn min to max 90 kn 90 46 kn
Info Average pitch angle 1.0 °-2.0 ° min to max 4.1 ° 3.9 -2.0 °
Info Average bank angle 0.1 °0.0 ° min to max 0.4 ° 0.2 0.1 °

Events

Info Flaps Position 1 2 ft agl · 73 kt
Info Flaps Fully Retracted 2 ft agl · 72 kt
Info Pitot Heat Switched Off 2 ft agl · 54 kt
Runway Exit Exiting runway, average speed 20 kn
ScoreDescriptionStartProfileEnd
Info Average speed 20 kn0 kn min to max 45 kn 45 0 kn
Info Average pitch angle -2.0 °-2.1 ° min to max -1.7 ° -1.9 -2.1 °
Info Average bank angle 0.1 °0.0 ° min to max 0.3 ° 0.1 0.2 °
Info Average g force 1.00 g0.99 g min to max 1.01 g 1.00 1.00 g

Events

Info Landing Lights Switched Off 2 ft agl · 24 kt
Info Taxi Lights Switched On 2 ft agl · 24 kt
Info Strobe Lights Switched Off 2 ft agl · 24 kt
Arrival Taxi 100.00Taxiing to the parking from the runway took 1 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 8 kn3 kn min to max 9 kn 7 5 kn
100 % Average speed turning corners 6 knmax 8 kn 0 0 kn
100 % Average g force 1.00 g0.99 g min to max 1.01 g 1.00 1.00 g
Info Average pitch angle -1.9 °-2.1 ° min to max -1.8 ° -2.0 -2.0 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.2 0.1 °

Takeoff

OkTaxi lightsSet
100.00Takeoff roll633 m · 21 %
100.00Liftoff speed125 kt
77.12Runway alignment9.32 m R
OkBounce on takeoffNone
100.00Rate of climb536 fpm

Landing

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

100.00Threshold height28 ft
99.78Threshold speed99 kt
100.00Centreline offset0.02 m 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 VVDN 35L

Past threshold100.00
353m
Centreline100.00
1.68m L
Speed100.00
89kt
Touchdown rate100.00
-85fpm
Impact100.00
1.12G
BouncesOk
None

Side view — the last 1,822 m of the approach.

28 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 305 m This flight — 28 ft, down at 353 m

Plan view — the first 1,822 m of the 3,048 m runway, to the same scale as the side view.

5001,0001,500 THRESHOLD CROSS 3 kn FULL SCORE TO 503 M 353 m past threshold CLEARED

The 353 m touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 1,701 m of 3,048 m · 56 %
Rollout distance100.00
1,347m56 % used
Rollout alignment92.73
5.04m R

The rest of the report

Explore in detail

Flight narrative

The flight began with a taxiing period from the parking to the runway, which took 8 minutes and covered a distance of 1 nautical mile. The aircraft, a Cessna CJ4 Citation, then departed from runway 12 at VTUD Udon Thani Airport in Thailand. The takeoff distance was 633 meters, which accounted for 21% of the runway. The liftoff speed was 125 knots.

The local weather conditions at the time of departure were characterized by a temperature of 17 degrees Celsius, with a wind speed of 2 knots at an angle of 18 degrees. This resulted in a crosswind of 2 knots and a headwind of 0 knots. The aircraft then began its enroute climb, which started overhead VTUD Udon Thani Airport and took the aircraft from an altitude of 1,677 feet above sea level to 35,723 feet above sea level, an increase of 34,046 feet in 19 minutes and covering a distance of 110 nautical miles.

Following the enroute climb, the aircraft entered a level cruise phase, which started 9 miles south of That Phanom in Thailand and lasted for 21 minutes, covering a distance of 145 nautical miles. The aircraft then began its enroute descent, which started 33 miles east of Salavan in Laos and took the aircraft from an altitude of 36,457 feet above sea level to 3,226 feet above sea level, a decrease of 33,231 feet in 15 minutes and covering a distance of 69 nautical miles.

The aircraft then entered another level cruise phase, which started 8 miles west of Hoi An in Vietnam and lasted for 2 minutes, covering a distance of 3 nautical miles. The aircraft then began its final descent, which started 6 miles west of Hoi An and took the aircraft from an altitude of 2,666 feet above sea level to 1,299 feet above sea level, a decrease of 1,367 feet in 3 minutes and covering a distance of 4 nautical miles.

The final approach to runway 35L at VVDN Da Nang International Airport was made from the south, with the aircraft heading 352.0 degrees at a distance of 4 nautical miles and an altitude of 1,266 feet above ground level. The landing on runway 35L was successful, with the aircraft touching down at a speed of 89 knots and a touchdown distance of 352 meters. The touchdown rate was excellent at -82 feet per minute, and the runway touchdown alignment was very good.

The local weather conditions at the time of landing were characterized by a temperature of 19 degrees Celsius, with a wind speed of 4 knots at an angle of 250 degrees. This resulted in a crosswind of 3 knots and a tailwind of 1 knot. The total landing distance was 1,726 meters, which accounted for 57% of the runway. The runway rollout alignment was also very good.

The taxiing period from the runway to the parking took 1 minute and covered a distance of less than 1 nautical mile. The total flight distance was 340 nautical miles, and the flight duration was 68 minutes. The aircraft used a total of 648 kilograms of fuel during the flight.

Flight map
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Takeoff report
Takeoff on runway 12 at VTUD Udon Thani Airport in the Cessna Citation CJ4
97.08 %
100 %
Taxi
Taxiing from the parking to the runway took 8 minutes and covered 1 nm.
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
0 -1 -2
85.42 %
Takeoff Roll
Departure roll runway 12 at VTUD Udon Thani Airport. Takeoff distance 633 m 21 % of runway. Liftoff speed was 125 kn. Local weather - Temperature 17 °C. Wind 2 kn at 18 °. Crosswind: 2 kn Headwind: 0 kn.
Takeoff Distance
100 %
Roll distance of 633 m using 20.79 % of runway
Liftoff Speed
100 %
Liftoff speed was 125 kn - Target 130 kn
Alignment
77.12 %
5.63 m left to 9.32 m right
Bounce
100 %
No Bounce Detected
Strobe Lights
0 %
Switched On
Landing Lights
0 %
Switched On
G
100 %
1.5 1 0.5
IAS kt
Info
130 65 0
Bank °
Info
1 0.5 0
Pitch °
Info
5 1.5 -2
02505007501,0001,2501,5001,7502,0002,2502,5002,750-20-15-10-505101520 Runway Distance m Runway Alignment to End of Runway m
100 %
Climb 1
Departure climb to 50 ft agl from runway 12 VTUD Udon Thani Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
160 140 120
Bank °
100 %
1 0.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
7 5 3
Climb Rate fpm
Info
800 350 -100
100 %
Climb 2
Departure climb to 400 ft agl from 12 VTUD Udon Thani Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
210 180 150
Bank °
100 %
1 0.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
11 7.5 4
Climb Rate fpm
Info
3,300 1,950 600
100 %
Climb 3
Departure climb to 1,000 ft agl from 12 VTUD Udon Thani Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
240 225 210
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Pitch °
Info
15 12 9
Climb Rate fpm
Info
5,200 4,250 3,300
02505007501,0001,2501,5001,7502,0002,2502,5002,7500179358537716895 Runway Distance m Height at End of Runway ft
00.250100200300400500600700800900 Climb Distance NM Climb Profile to 1,000 ft
00.25-60-48-36-24-1201224364860 Climb Distance NM Runway Alignment (in m) to 1,000 ft
Landing report
Landing on runway 35L at VVDN Da Nang International Airport in the Cessna Citation CJ4
Landing Score 98.76 %
Landing Summary

The Cessna CJ4 Citation successfully landed at VVDN Da Nang International Airport, achieving a high score of 98.8%. The aircraft approached the runway from the south, heading 352.0° at a distance of 4 nautical miles and an altitude of 1,266 feet above ground level (agl). The pilot executed a precise final approach, taking into account the local weather conditions.

The temperature at the time of landing was 19°C, with a gentle wind blowing at 4 knots from a direction of 250°. This resulted in a crosswind of 3 knots and a tailwind of 1 knot, which the pilot effectively managed during the landing. The aircraft's speed during the final approach was slightly below the target threshold speed of 100 knots, coming in at 99 knots.

Upon touchdown, the aircraft performed well, with a touchdown distance of 352 meters, which is considered good. The touchdown speed was also within the acceptable range, at 89 knots. The most impressive aspect of the landing was the touchdown rate, which was an excellent -82 feet per minute (fpm). This indicates that the aircraft touched down smoothly and with minimal impact, reducing the risk of damage to the aircraft and its occupants.

The runway touchdown alignment was very good, indicating that the pilot had maintained a stable and consistent approach path. The total landing distance of 1,726 meters was 57% of the runway length, which is a reasonable distance considering the aircraft's size and weight. The runway rollout alignment was also very good, showing that the pilot had maintained control of the aircraft during the rollout phase.

Overall, the landing was a success, with the pilot demonstrating excellent skills and judgment in managing the aircraft during the approach and landing phases. The high score of 98.8% reflects the pilot's attention to detail and ability to execute a precise and safe landing.

99.79 %
Final 4
Approaching runway 35L at VVDN Da Nang International Airport from 4 nm to 3 nm. Descent from 1,266 ft agl to 959 ft agl. A decrease of 307 ft in 35 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
106 98 90
Alignment
100 %
0.5 0 -0.5
Bank °
98.97 %
4 2 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-409 -555 -700
33.253.53.7549009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500 Distance to Touchdown NM Approach Height ft
33.253.53.754-120-90-60-300306090120 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 3
Approaching runway 35L at VVDN Da Nang International Airport from 3 nm to 2 nm. Descent from 949 ft agl to 641 ft agl. A decrease of 308 ft in 32 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
105 103 100
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-543 -572 -600
22.252.52.7535506006507007508008509009501,0001,0501,100 Distance to Touchdown NM Approach Height ft
22.252.52.753-100-75-50-250255075100 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 2
Approaching runway 35L at VVDN Da Nang International Airport from 2 nm to 1 nm. Descent from 631 ft agl to 321 ft agl. A decrease of 311 ft in 33 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
105 103 100
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-545 -572 -600
11.251.51.752250300350400450500550600650700750 Distance to Touchdown NM Approach Height ft
11.251.51.752-80-60-40-20020406080 Distance to Touchdown NM Approach Runway Alignment m
98.5 %
Final 1
Approaching runway 35L at VVDN Da Nang International Airport from 1 nm to 0 nm. Descent from 312 ft agl to 32 ft agl. A decrease of 280 ft in 27 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
104 97 90
Alignment
100 %
0.5 0 -0.5
Bank °
92.49 %
7 3.5 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-529 -614 -700
00.250.50.751050100150200250300350 Distance to Touchdown NM Approach Height ft
00.250.50.751-60-45-30-15015304560 Distance to Touchdown NM Approach Runway Alignment m
99.83 %
Landing
Landing on runway 35L at VVDN Da Nang International Airport, runway length 3,048 m. Good threshold height. Threshold speed was slightly below target at 99 kn.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
99.78 %
Threshold speed was slightly below target at 99 kt. Target 110 kt
Flare
100 %
Perfect landing flare
Centreline ft
100 %
100 0 -100
Bank °
98.82 %
3 2 1
G
100 %
1.5 1 0.5
IAS kt
Info
99 90 80
Pitch °
Info
5 3 1
Descent Rate fpm
Info
-69 -335 -600
07515022530037501123344657 Runway Distance m Landing Height ft
075150225300375-20-16-12-8-4048121620 Runway Distance m Runway Width m
100 %
Touchdown
Touchdown distance was good at 352 m. Touchdown speed at 89 kn was good. Touchdown rate was excellent at -82 fpm. Runway touchdown alignment was very good. Local weather - Temperature 19 °C. Wind 4 kn at 250 °. Crosswind: 3 kn Tailwind: 1 kn.
Touchdown
100 %
Touchdown rate was excellent at -85 fpm.
Speed
100 %
Touchdown speed at 89 kt was good. Target below 99 kn
Distance
100 %
Touchdown distance was good at 352 m.
Alignment
100 %
Runway touchdown alignment was very good.
Bank
100 %
Bank angle 0.7 °
G
100 %
G 1.05 g
Bounce
100 %
No Bounce Detected
96.73 %
Rollout
Total landing distance 1,726 m, 57 % of runway. Runway rollout alignment was very good.
Distance
100 %
Landing distance 1,726 m using 56.61 % of runway
Alignment
92.73 %
Runway rollout alignment was very good.
G
100 %
1.25 1 0.75
IAS kt
Info
88 64 40
Bank °
Info
1 0.5 0
Pitch °
Info
5 2 -1
02004006008001,0001,2001,4001,600 Runway Distance m Runway Width m
100 %
Taxi
Taxiing to the parking from the runway took 1 minutes 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
0 -1 -2
Metrics
Metrics

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