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FZAA
Kinshasa, Democratic Republic of the Congo
Runway 24

Flight Score

86.79 %
FCBB
Brazzaville, Republic of Congo
Runway 23L
16 Jun 2023 0:13 15 nm IRIS Grob G115E - G-BYVB 2 kg
Departure Score
96.90 %
Enroute Score
86.23 %
Arrival Score
72.95 %

What went well

1.38 G at touchdown — inside band
Rollout controlled — 43 % of the runway used
Airborne in 1,287 m — 39 % of the runway

What held you back

Enroute Climb — stall warning; speed limits at 0 %, −4.46 points
Arrival Landing — at 0 %, Landing and flare profile at 0 %, −3.56 points
Arrival Final 1 — bank angle up to 22.4 ° at 46 %, Approach angle 13.1 ° at 47 %, −2.17 points
Arrival Touchdown — Touchdown distance was 1,098 m at 0 %, Runway alignment max 16.65 m at 48 %, −1.99 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 · 14 stages, 13 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 4 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 8 kn0 kn min to max 19 kn 0 19 kn
100 % Average speed turning corners 12 knmax 16 kn 0 0 kn
100 % Average g force 1.00 g0.99 g min to max 1.00 g 1.00 0.99 g
100 % Beacon, navigation and taxi lights on
Info Average pitch angle 2.2 °1.8 ° min to max 2.5 ° 2.2 1.9 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.0 0.0 °

Events

Fail Beacon Light OFF should be ON
Fail Navigation Light OFF should be ON
Fail Navigation Light OFF should be ON
Info Parking Brake On 3 ft agl
Info Parking Brake Off 3 ft agl
Info Parking Brake On 3 ft agl
Info Parking Brake Off 3 ft agl
Info Parking Brake On 3 ft agl
Info Parking Brake Off 3 ft agl
Info Parking Brake On 3 ft agl
Info Parking Brake Off 3 ft agl
Info Flaps Position 1 3 ft agl · 6 kt
Info Flaps Position 2 3 ft agl · 7 kt
Departure Roll 98.14Departure roll runway 24 at FZAA N'djili Intl. Takeoff distance 1,012 m 31 % of runway. Liftoff speed was 48 kn. Local weather - Temperature 27 °C. Wind 3 kn at 237 °. Crosswind: 0 kn Headwind: 3 kn.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 1,012 m31 % of runway
100 % Liftoff speed was 48 knTarget 60 kn
91 % Runway alignment max 8.30 m4.09 m left to 4.22 m right 4.09 -4.22 m
100 % Average g force 0.99 g0.98 g min to max 1.07 g 0.99 1.07 g
100 % Takeoff Bounce
Info Average pitch angle 2.0 °1.6 ° min to max 5.6 ° 2.0 5.6 °
Info Average bank angle 0.1 °0.0 ° min to max 0.3 ° 0.3 0.0 °

Events

Fail Landing Lights OFF should be ON
Departure Climb 1 99.19Departure climb to 50 ft agl from runway 24 FZAA N'djili Intl.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.4 °0.2 ° min to max 0.4 ° 0.2 0.3 °
100 % Average speed 51 kn48 kn min to max 53 kn 48 50 kn
97 % Average bank angle 1.6 °0.0 ° min to max 3.2 ° 0.0 0.0 °
100 % Average g force 1.05 g0.92 g min to max 1.25 g 1.10 0.92 g
Info Average VSI 393 ft/m273 ft/m min to max 694 ft/m 273 694 ft/m
Info Average altitude 17 ft agl0 ft agl min to max 44 ft agl 0 44 ft agl
Info Average pitch angle 8.8 °6.0 ° min to max 13.5 ° 6.0 11.8 °
Departure Climb 2 90.27Departure climb to 400 ft agl from 24 FZAA N'djili Intl.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.1 °-0.3 ° min to max 0.3 ° 0.3 0.3 °
100 % Average speed 47 kn44 kn min to max 50 kn 50 44 kn
61 % Average bank angle 2.9 °0.0 ° min to max 16.8 ° 0.1 16.8 °
100 % Average g force 0.96 g0.90 g min to max 1.02 g 0.91 1.02 g
Info Average VSI 676 ft/m417 ft/m min to max 724 ft/m 697 417 ft/m
Info Average altitude 88 ft agl54 ft agl min to max 176 ft agl 54 176 ft agl
Info Average pitch angle 12.6 °11.9 ° min to max 13.9 ° 12.0 13.9 °

Events

Info Flaps Position 1 84 ft agl · 58 kt
Enroute Climb 59.83Enroute climb started overhead FZAA N'djili Intl Kinshasa (Kinshasa City, Democratic Republic of the Congo). Climbing from 1,190 ft asl to 3,794 ft asl, an increase of 2,604 ft in 4 minutes and covering 5 nm.
ScoreDescriptionStartProfileEnd
0 % Average speed 71 kn38 kn min to max 94 kn 43 88 kn
100 % Average bank angle 8.6 °0.1 ° min to max 30.2 ° 13.0 1.1 °
98 % Average g force 1.01 g0.76 g min to max 1.28 g 1.01 0.98 g
Info Average VSI 662 ft/m-153 ft/m min to max 1,603 ft/m 512 448 ft/m
Info Average altitude 2,216 ft asl1,190 ft asl min to max 3,794 ft asl 1,190 3,794 ft asl
Info Average pitch angle 8.4 °1.2 ° min to max 16.0 ° 14.5 4.7 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Stall Warning Activated 220 ft agl · 52 kt
Fail Stall Warning Activated 248 ft agl · 50 kt
Info Stall Warning Deactivated 229 ft agl · 50 kt
Info Stall Warning Deactivated 255 ft agl · 50 kt
Info Flaps Fully Retracted 276 ft agl · 52 kt
Enroute Level 100.00Enroute level cruise started 3 miles east of Kinshasa (Kinshasa City, Democratic Republic of the Congo) and lasted 2 minutes, covering 4 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 3,852 ft asl3,768 ft asl min to max 3,918 ft asl 3,768 3,856 ft asl
100 % Average speed 100 kn94 kn min to max 104 kn 103 102 kn
100 % Average bank angle 5.1 °0.0 ° min to max 8.4 ° 0.0 3.0 °
100 % Average g force 0.99 g0.81 g min to max 1.06 g 1.03 1.02 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 1.9 °-0.4 ° min to max 5.2 ° 1.5 -0.4 °
Enroute Descent 98.86Enroute descent started 1 mile north of Kinshasa (Kinshasa City, Democratic Republic of the Congo). Descent from 3,782 ft asl to 2,731 ft asl, a decrease of 1,050 ft in 2 minutes and covering 3 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 110 kn94 kn min to max 122 kn 108 99 kn
100 % Average bank angle 5.0 °0.4 ° min to max 12.2 ° 3.3 1.1 °
89 % Average g force 0.99 g0.55 g min to max 1.21 g 1.03 1.09 g
Info Average VSI -713 ft/m-1,182 ft/m min to max -112 ft/m -675 -780 ft/m
Info Average altitude 3,126 ft asl2,731 ft asl min to max 3,782 ft asl 3,782 2,731 ft asl
Info Average pitch angle -2.4 °-5.3 ° min to max 0.0 ° -1.9 -2.3 °
Info Turn coordination 00 min to max 0 0 0
Arrival 98.72Arrival started 1 mile north of Kinshasa (Kinshasa City, Democratic Republic of the Congo).
ScoreDescriptionStartProfileEnd
100 % Average speed 94 kn86 kn min to max 113 kn 90 113 kn
98 % Average bank angle 11.1 °0.5 ° min to max 32.3 ° 2.9 22.9 °
97 % Average g force 1.02 g0.83 g min to max 1.30 g 1.08 1.30 g
Info Average VSI -823 ft/m-2,252 ft/m min to max -146 ft/m -690 -2,134 ft/m
Info Average altitude 2,481 ft asl1,904 ft asl min to max 2,721 ft asl 2,721 1,904 ft asl
Info Average pitch angle -3.3 °-10.5 ° min to max 1.1 ° -2.0 -7.4 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Position 1 984 ft agl · 120 kt
Arrival Final 1 67.50Approaching runway 23L at FCBB Maya-Maya from 1 nm to 0 nm. Descent from 837 ft agl to 278 ft agl. A decrease of 559 ft in 13 seconds.
ScoreDescriptionStartProfileEnd
47 % Approach angle 13.1 °12.7 ° min to max 13.9 °Target 3.0 ° 12.7 13.9 °
100 % Average speed 116 kn112 kn min to max 123 kn 112 121 kn
49 % Heading variation -1.4 °-1.6 ° min to max -0.9 ° -1.6 -0.9 °
46 % Average bank angle 6.5 °0.5 ° min to max 22.4 ° 22.4 0.5 °
91 % Average g force 0.99 g0.60 g min to max 1.35 g 1.09 1.11 g
Info Average VSI -2,519 ft/m-3,122 ft/m min to max -1,894 ft/m -1,894 -2,205 ft/m
Info Average altitude 566 ft agl278 ft agl min to max 837 ft agl 837 278 ft agl
Info Average pitch angle -11.7 °-15.7 ° min to max -7.2 ° -7.2 -8.2 °
00.250.50.751050100150200250300350400450500550600650700750800Distance to Touchdown NMApproach Height ft00.250.50.751-80-60-40-20020406080Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 46.65Landing on runway 23L at FCBB Maya-Maya, runway length 3,294 m. Threshold height at 237 ft agl was excessively over target. Threshold speed was excessively high at 120 kn.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was excessively high at 120 kn. Target 80 kn
0 % Target 50 ft agl
0 % Landing and flare profile
78 % Heading variation -0.3 °-0.8 ° min to max -0.2 ° -0.8 -0.4 °
88 % Average bank angle 2.0 °0.0 ° min to max 6.4 ° 2.7 1.9 °
100 % Average g force 1.01 g0.75 g min to max 1.24 g 0.99 0.96 g
Info Average speed 77 kn57 kn min to max 120 kn 120 57 kn
Info Average VSI -414 ft/m-2,060 ft/m min to max -125 ft/m -2,060 -224 ft/m
Info Average altitude 39 ft agl0 ft agl min to max 237 ft agl 237 0 ft agl
Info Average pitch angle -0.1 °-7.8 ° min to max 2.8 ° -7.8 0.7 °

Events

Info Flaps Position 2 186 ft agl · 123 kt
Info Flaps Position 3 160 ft agl · 122 kt
0751502253003754505256006757508259009751,0501,1251,2001,2751,35004795142189237Runway Distance mLanding Height ft0751502253003754505256006757508259009751,0501,1251,2001,2751,350-24-20-16-12-8-404812162024Runway Distance mRunway Width m
Arrival Touchdown 70.08Touchdown point was 703 m beyond the touchdown zone. Touchdown speed at 57 knwas fast. Touchdown rate was fair at -224 ft/m. Runway touchdown position was significantly misaligned by 16.6 m from centreline. Local weather - Temperature 28 °C. Wind 4 kn at 155 °. Crosswind: 4 kn Headwind: 1 kn.
ScoreDescriptionStartProfileEnd
82 % Touchdown VSI was -224 ft/m.
0 % Touchdown distance was 1,098 mTarget 457 m
100 % Speed at touchdown 57 knTarget 55 kn
48 % Runway alignment max 16.65 m15.61 m right -16.65 -14.15 m
57 % Average bank angle 0.7 °0.1 ° min to max 1.9 ° 1.9 0.3 °
93 % Average g force 1.10 g0.80 g min to max 1.38 g 0.96 1.08 g
100 % Landing Bounce
Info Average speed 55 kn53 kn min to max 57 kn 57 53 kn
Info Average pitch angle 2.5 °0.4 ° min to max 4.5 ° 0.7 3.1 °
Arrival Rollout 80.53Total landing distance 1,482 m, 45 % of runway. Runway rollout alignment was slightly misaligned by 14.1 m from centreline.
ScoreDescriptionStartProfileEnd
100 % Landing distance 1,482 m45 % of runway.
57 % Runway alignment max 14.99 m0.94 m left to 14.05 m right -14.05 -1.84 m
100 % Average g force 1.00 g0.99 g min to max 1.04 g 1.04 1.01 g
Info Average speed 56 kn34 kn min to max 61 kn 61 34 kn
Info Average pitch angle 2.3 °1.0 ° min to max 3.4 ° 3.3 1.0 °
Info Average bank angle 0.3 °0.0 ° min to max 0.7 ° 0.3 0.2 °

Events

Fail Bounce during touchdown 3 ft agl · 58 kt
Runway Exit Exiting runway, average speed 13 kn
ScoreDescriptionStartProfileEnd
Info Average speed 23 kn19 kn min to max 28 kn 28 19 kn
Info Average pitch angle 2.2 °1.9 ° min to max 2.4 ° 2.1 1.9 °
Info Average bank angle 0.2 °0.0 ° min to max 0.4 ° 0.0 0.1 °
Info Average g force 1.00 g0.99 g min to max 1.01 g 1.01 0.99 g
Arrival Taxi 100.00Taxiing to the parking from the runway took 1 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 12 kn4 kn min to max 17 kn 17 4 kn
100 % Average speed turning corners 9 knmax 13 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 2.1 °0.8 ° min to max 2.5 ° 2.1 0.8 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.2 0.0 °

Events

Fail Taxi Light OFF should be ON
Info Flaps Fully Retracted 3 ft agl · 20 kt

Takeoff

98.14 %
100.00Takeoff roll1,287 m · 39 %
100.00Liftoff speed48 kt
90.71Runway alignment4.22 m R
OkBounce on takeoffNone
99.19Rate of climb393 ft/m
Takeoff weight1,117 kg
Airfield elevation997 ft asl
Wind238° · 3 kn · 0 kn cross

Approach

67.50 %
Not assessed1,000 ft gateNot recorded
Not assessed500 ft gateNot recorded
0.00Threshold height236 ft
100.00Threshold speed119 kt
78.21Centreline offset0.25 m R

Touchdown

70.08 %
0.00Touchdown point1,130 m
47.78Centreline at touchdown14.15 m R
81.74Sink rate-223 ft/m
92.57Touchdown force1.38 G
FailBounces1
80.53Rollout distance322 m · 43 % used
Landing weight1,114 kg
Airfield elevation1,037 ft asl

The stabilisation gates

Two stabilised approach gates, each with six checks at 1,000 ft and 500 ft above the runway.

Six checks, two gates1,000 ft500 ft
Gear down
Landing flap
Sink rate
On glideslope
On centreline
On speed

Touchdown on FCBB 23L

Past threshold
1,130 m
Off centreline
14.15 mR
Sink rate
-223 ft/m
Impact
1.38G

Side view — the last 1,574 m of the approach.

236 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 305 m This flight — 236 ft, down at 1,130 m

Plan view — the first 1,574 m of the 3,294 m runway, to the same scale as the side view.

5001,0001,500 THRESHOLD FULL SCORE TO 503 M 1,130 m past threshold CLEARED

Touched down 1,130 m past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 1,452 m of 3,294 m · 44 %

The rest of the report

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Flight map
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Takeoff report
Takeoff on runway 24 at FZAA N'djili Intl in the Grob G115
96.9 %
100 %
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
100 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
1 0.5 0
Pitch °
Info
3 2 1
98.14 %
Takeoff Roll
Departure roll runway 24 at FZAA N'djili Intl. Takeoff distance 1,012 m 31 % of runway. Liftoff speed was 48 kn. Local weather - Temperature 27 °C. Wind 3 kn at 237 °. Crosswind: 0 kn Headwind: 3 kn.
Takeoff Distance
100 %
Roll distance of 1,012 m using 30.72 % of runway
Liftoff Speed
100 %
Liftoff speed was 48 kn - Target 64 kn
Alignment
90.71 %
4.09 m left to 4.22 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
50 30 10
Bank °
Info
1 0.5 0
Pitch °
Info
6 3.5 1
02505007501,0001,2501,5001,750-30-25-20-15-10-5051015202530 Runway Distance m Runway Alignment to End of Runway m
99.19 %
Climb 1
Departure climb to 50 ft agl from runway 24 FZAA N'djili Intl.
Alignment
100 %
2 0 -2
IAS kt
100 %
60 50 40
Bank °
96.76 %
4 2 0
G
100 %
1.5 1 0.5
Pitch °
Info
14 10 6
Climb Rate fpm
Info
700 300 -100
90.27 %
Climb 2
Departure climb to 400 ft agl from 24 FZAA N'djili Intl.
Alignment
100 %
2 0 -2
IAS kt
100 %
50 45 40
Bank °
61.08 %
17 8.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
14 13 11
Climb Rate fpm
Info
800 550 300
02505007501,0001,2501,5001,7500336699132165 Runway Distance m Height at End of Runway ft
00.020.040.050.070.090100 Climb Distance NM Climb Profile to 1,000 ft
00.020.040.050.070.09-60-48-36-24-1201224364860 Climb Distance NM Runway Alignment (in m) to 1,000 ft
Landing report
Landing on runway 23L at FCBB Maya-Maya in the Grob G115
Landing Score 66.19 %
67.5 %
Final 1
Approaching runway 23L at FCBB Maya-Maya from 1 nm to 0 nm. Descent from 837 ft agl to 278 ft agl. A decrease of 559 ft in 13 seconds.
Glideslope
46.65 %
Poor descent path above glideslope limit
Heading
48.93 %
Poor heading alignment
Glideslope °
46.65 %
4 3 2
IAS kt
100 %
123 117 110
Alignment
48.93 %
0.5 0 -0.5
Bank °
46.21 %
23 12 0
G
91.43 %
1.5 1 0.5
Descent Rate fpm
Info
-1,895 -2,547 -3,200
00.250.50.751050100150200250300350400450500550600650700750800 Distance to Touchdown NM Approach Height ft
00.250.50.751-80-60-40-20020406080 Distance to Touchdown NM Approach Runway Alignment m
46.65 %
Landing
Landing on runway 23L at FCBB Maya-Maya, runway length 3,294 m. Threshold height at 237 ft agl was excessively over target. Threshold speed was excessively high at 120 kn.
Height
0 %
Threshold height at 237 ft agl was excessively over target. Target 50 ft agl
Speed
100 %
Threshold speed was excessively high at 120 kt. Target 68 kt
Flare
0 %
Very poor landing flare
Centreline ft
78.21 %
100 0 -100
Bank °
88.29 %
7 3.5 0
G
100 %
1.5 1 0.5
IAS kt
Info
120 85 50
Pitch °
Info
3 -2 -7
Descent Rate fpm
Info
-125 -1,112 -2,100
0751502253003754505256006757508259009751,0501,1251,2001,2751,35004795142189237 Runway Distance m Landing Height ft
0751502253003754505256006757508259009751,0501,1251,2001,2751,350-24-20-16-12-8-404812162024 Runway Distance m Runway Width m
70.08 %
Touchdown
Touchdown point was 703 m beyond the touchdown zone. Touchdown speed at 57 knwas fast. Touchdown rate was fair at -224 ft/m. Runway touchdown position was significantly misaligned by 16.6 m from centreline. Local weather - Temperature 28 °C. Wind 4 kn at 155 °. Crosswind: 4 kn Headwind: 1 kn.
Touchdown
81.74 %
Touchdown rate was fair at -228 ft/m.
Speed
100 %
Touchdown speed at 57 kt was fast. Target below 49 kn
Distance
0 %
Touchdown point was 703 m beyond the touchdown zone.
Alignment
47.78 %
Runway touchdown position was significantly misaligned by 16.6 m from centreline.
Bank
57 %
Bank angle 0.7 °
G
92.57 %
G 1.10 g
Bounce
100 %
No Bounce Detected
80.53 %
Rollout
Total landing distance 1,482 m, 45 % of runway. Runway rollout alignment was slightly misaligned by 14.1 m from centreline.
Distance
100 %
Landing distance 1,482 m using 44.99 % of runway
Alignment
56.74 %
Runway rollout alignment was slightly misaligned by 14.1 m from centreline.
G
100 %
1.25 1 0.75
IAS kt
Info
53 37 20
Bank °
Info
1 0.5 0
Pitch °
Info
4 2.5 1
02004006008001,0001,2001,400 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
Switched Off
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
3 1.5 0
Metrics
Metrics

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