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4N1
West Milford, United States
Runway 24

Flight Score

93.24 %
4N1
West Milford, United States
Runway 24
22 Aug 2025 0:06 4 nm DR400 1 kg
Departure Score
92.13 %
Pattern Score
87.71 %
Arrival Score
99.88 %

What went well

Touched down at -51 ft/m — a soft arrival
Touchdown 163 m in — inside the full-score zone
Threshold crossed at 20 ft and 51 kt — both inside band

What held you back

Pattern Base Leg Turn — Angle to runway (45 degrees) 3.7 °. at 0 %, −2.00 points
Departure Roll — Landing Lights at 0 %, Strobe Lights at 0 %, −1.29 points
Departure Climb 2 — scored 90.00 %, −1.11 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, 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 Runway Entry Entering runway 24 at 4N1 Greenwood Lake, Average speed was 12 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 12 kt2 kt min to max 32 kt 2 32 kt
Info Average pitch angle 1.1 °0.5 ° min to max 1.7 ° 1.0 1.7 °
Info Average bank angle 0.1 °0.0 ° min to max 0.3 ° 0.2 0.1 °
Info Average g force 1.00 g0.99 g min to max 1.02 g 1.00 0.99 g

Events

Info Battery Master On 2 ft agl · 3 kt
Info Engine 1 Started 2 ft agl · 3 kt
Info Flaps Position 1 2 ft agl · 3 kt
Departure Roll 88.43Departure roll runway 24 at 4N1 Greenwood Lake. Takeoff distance 160 m 15 % of runway. Liftoff speed was 55 kt. Local weather - Temperature 16 °C. Wind 0 kt at 0 °. Crosswind: 0 kt Headwind: 0 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 160 m15 % of runway
100 % Liftoff speed was 55 ktTarget 54 kt
92 % Runway alignment max 5.20 m5.20 m left to 0.00 m left 4.68 3.98 m
100 % Average g force 1.00 g0.96 g min to max 1.17 g 0.99 1.17 g
100 % Takeoff Bounce
Info Average pitch angle 2.5 °1.6 ° min to max 8.1 ° 1.8 8.1 °
Info Average bank angle 0.2 °0.0 ° min to max 0.7 ° 0.1 0.7 °

Events

Fail Landing Lights
Fail Strobe Lights
Departure Climb 1 97.97Departure climb to 50 ft agl from runway 24 4N1 Greenwood Lake.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.4 °-0.8 ° min to max 0.1 ° -0.8 0.1 °
100 % Average speed 58 kt55 kt min to max 59 kt 55 59 kt
92 % Average bank angle 3.1 °0.0 ° min to max 5.1 ° 0.7 4.3 °
100 % Average g force 1.02 g0.92 g min to max 1.24 g 1.18 0.98 g
Info Average VSI 582 fpm432 fpm min to max 627 fpm 432 574 fpm
Info Average altitude 24 ft agl1 ft agl min to max 48 ft agl 1 48 ft agl
Info Average pitch angle 11.0 °8.4 ° min to max 12.4 ° 8.4 10.3 °
Departure Climb 2 90.00Departure climb to 400 ft agl from 24 4N1 Greenwood Lake.
ScoreDescriptionStartProfileEnd
100 % Average speed 57 kt47 kt min to max 60 kt 59 55 kt
100 % Average bank angle 1.7 °0.1 ° min to max 4.7 ° 4.2 4.7 °
100 % Average g force 1.01 g0.83 g min to max 1.09 g 0.98 1.09 g
Info Average VSI 728 fpm209 fpm min to max 1,242 fpm 572 399 fpm
Info Average altitude 138 ft agl49 ft agl min to max 416 ft agl 49 416 ft agl
Info Average pitch angle 13.4 °9.3 ° min to max 18.7 ° 10.4 13.0 °

Events

Info Flaps Position 2 347 ft agl · 52 kt
Info Flaps Position 1 367 ft agl · 48 kt
Info Flaps Fully Retracted 400 ft agl · 49 kt
Pattern Entry 100.00Left hand pattern entry from runway 24 4N1 Greenwood Lake. Distance was less than 1 nm in 21 seconds.
ScoreDescriptionStartProfileEnd
100 % Average speed 55 kt52 kt min to max 60 kt 55 60 kt
100 % Average bank angle 9.9 °0.2 ° min to max 28.6 ° 5.6 14.8 °
100 % Average g force 1.00 g0.89 g min to max 1.13 g 1.08 1.13 g
Info Average VSI 657 fpm341 fpm min to max 1,014 fpm 588 396 fpm
Info Average altitude 570 ft agl441 ft agl min to max 677 ft agl 441 677 ft agl
Info Average pitch angle 13.4 °9.3 ° min to max 18.2 ° 14.6 11.1 °
Pattern Crosswind 100.00Left hand pattern crosswind from runway 24 4N1 Greenwood Lake. Distance was less than 1 nm in 31 seconds.
ScoreDescriptionStartProfileEnd
100 % Heading 0.2 °-13.7 ° min to max 16.8 ° 16.8 -13.7 °
100 % Average speed 62 kt60 kt min to max 64 kt 60 63 kt
100 % Average g force 0.99 g0.88 g min to max 1.12 g 1.12 1.01 g
Info Average VSI 476 fpm-107 fpm min to max 845 fpm 569 207 fpm
Info Average altitude 850 ft agl688 ft agl min to max 930 ft agl 688 930 ft agl
Info Average bank angle 4.3 °0.0 ° min to max 20.9 ° 11.5 20.9 °
Info Average pitch angle 9.4 °4.1 ° min to max 13.6 ° 13.0 6.6 °
Pattern Downwind Turn 84.73Pattern Downwind Turn. Distance was 1 nm. Angle to runway (45 degrees) 62.7 °.
ScoreDescriptionStartProfileEnd
49 % Angle to runway (45 degrees) 62.7 °.
100 % Average speed 65 kt63 kt min to max 66 kt 63 66 kt
100 % Average bank angle 19.7 °5.1 ° min to max 23.1 ° 22.0 5.1 °
100 % Average g force 1.07 g1.01 g min to max 1.14 g 1.01 1.06 g
Info Average VSI 5 fpm-144 fpm min to max 210 fpm 136 210 fpm
Info Average altitude 927 ft agl921 ft agl min to max 932 ft agl 932 931 ft agl
Info Average pitch angle 5.1 °3.7 ° min to max 7.5 ° 5.6 7.5 °
Pattern Downwind 83.81Pattern Downwind Leg. Distance was 2 nm in 74 seconds.
ScoreDescriptionStartProfileEnd
68 % Heading -9.9 °-16.2 ° min to max -1.4 ° -1.4 -15.2 °
78 % Average altitude 852 ft agl682 ft agl min to max 947 ft agl 937 682 ft agl
100 % Average speed 75 kt64 kt min to max 80 kt 65 73 kt
100 % Average g force 0.99 g0.79 g min to max 1.11 g 1.07 0.98 g
Info Average VSI -186 fpm-691 fpm min to max 382 fpm 313 -310 fpm
Info Average bank angle 2.7 °0.0 ° min to max 19.2 ° 4.2 19.2 °
Info Average pitch angle 1.9 °-2.1 ° min to max 8.8 ° 8.8 -0.1 °

Events

Info Flaps Position 1 897 ft agl · 78 kt
Pattern Base Leg Turn 70.00Pattern Base Leg Turn. Distance was 1 nm. Angle to runway (45 degrees) 3.7 °.
ScoreDescriptionStartProfileEnd
0 % Angle to runway (45 degrees) 3.7 °.
100 % Average speed 70 kt63 kt min to max 75 kt 73 63 kt
100 % Average bank angle 15.1 °0.3 ° min to max 26.1 ° 20.8 1.8 °
100 % Average g force 1.05 g0.92 g min to max 1.28 g 0.96 0.92 g
Info Average VSI -580 fpm-890 fpm min to max -198 fpm -439 -564 fpm
Info Average altitude 458 ft agl261 ft agl min to max 674 ft agl 674 261 ft agl
Info Average pitch angle -1.3 °-4.2 ° min to max 2.3 ° -1.6 -2.2 °

Events

Info Flaps Position 2 640 ft agl · 74 kt
Arrival Final 2 100.00Approaching runway 24 at 4N1 Greenwood Lake from 2 nm to 1 nm. Descent from 250 ft agl to 208 ft agl. A decrease of 42 ft in 4 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.2 °3.1 ° min to max 3.4 °Target 3.0 ° 3.4 3.1 °
100 % Average speed 61 kt60 kt min to max 62 kt 62 60 kt
100 % Heading variation -0.4 °-0.7 ° min to max -0.1 ° -0.7 -0.1 °
100 % Average bank angle 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °
100 % Average g force 0.99 g0.98 g min to max 1.01 g 1.01 0.98 g
Info Average VSI -623 fpm-636 fpm min to max -608 fpm -608 -636 fpm
Info Average altitude 229 ft agl208 ft agl min to max 250 ft agl 250 208 ft agl
Info Average pitch angle -1.8 °-2.1 ° min to max -1.5 ° -1.7 -2.1 °
Arrival Final 1 99.38Approaching runway 24 at 4N1 Greenwood Lake from 1 nm to 0 nm. Descent from 197 ft agl to 28 ft agl. A decrease of 169 ft in 28 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 2.1 °1.2 ° min to max 3.0 °Target 3.0 ° 3.0 1.2 °
100 % Average speed 52 kt50 kt min to max 60 kt 60 52 kt
100 % Heading variation 0.1 °0.0 ° min to max 0.5 ° 0.2 0.0 °
97 % Average bank angle 1.1 °0.0 ° min to max 4.2 ° 4.2 0.6 °
100 % Average g force 0.99 g0.93 g min to max 1.12 g 1.04 1.03 g
Info Average VSI -357 fpm-729 fpm min to max -82 fpm -670 -484 fpm
Info Average altitude 65 ft agl28 ft agl min to max 197 ft agl 197 28 ft agl
Info Average pitch angle 2.2 °-2.6 ° min to max 6.4 ° -1.4 2.2 °
00.250.50.751050100150200Distance to Touchdown NMApproach Height ft00.250.50.751-30-23-15-7.507.5152330Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 100.00Landing on runway 24 at 4N1 Greenwood Lake, runway length 1,053 m. Good threshold height. Threshold speed was slightly below target at 51 kt.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was slightly below target at 51 kt. Target 55 kt
100 % Target 50 ft agl
100 % Landing and flare profile
100 % Heading variation -0.1 °-0.1 ° min to max 0.0 ° 0.0 -0.1 °
100 % Average bank angle 0.7 °0.0 ° min to max 1.7 ° 0.6 0.8 °
100 % Average g force 1.03 g0.96 g min to max 1.09 g 1.04 0.96 g
Info Average speed 48 kt44 kt min to max 51 kt 51 44 kt
Info Average VSI -218 fpm-482 fpm min to max -41 fpm -482 -52 fpm
Info Average altitude 9 ft agl4 ft agl min to max 21 ft agl 21 4 ft agl
Info Average pitch angle 5.4 °2.4 ° min to max 7.0 ° 2.4 6.0 °
07515001123344657Runway Distance mLanding Height ft075150-9-8-7-6-5-4-3-2-10123456789Runway Distance mRunway Width m
Arrival Touchdown 100.00Touchdown distance was good at 160 m. Touchdown speed at 44 kt was good. Touchdown rate was excellent at -52 fpm. Runway touchdown alignment was perfect. Local weather - Temperature 16 °C. Wind 0 kt at 359 °. Crosswind: 0 kt Headwind: 0 kt.
ScoreDescriptionStartProfileEnd
100 % Touchdown VSI was -52 fpm.
100 % Touchdown distance was 160 mTarget 457 m
100 % Speed at touchdown 44 ktTarget below 55 kt
100 % Runway alignment max 1.12 m1.05 m right -1.12 -0.95 m
100 % Average bank angle 0.2 °0.0 ° min to max 0.8 ° 0.8 0.1 °
100 % Average g force 1.05 g0.96 g min to max 1.07 g 0.96 1.05 g
100 % Landing Bounce
Info Average speed 44 kt44 kt min to max 44 kt 44 44 kt
Info Average pitch angle 3.4 °1.6 ° min to max 6.0 ° 6.0 1.7 °
Arrival Rollout 100.00Total landing distance 236 m, 22 % of runway. Runway rollout alignment was perfect.
ScoreDescriptionStartProfileEnd
100 % Landing distance 236 m22 % of runway.
100 % Runway alignment max 1.33 m0.39 m left to 0.94 m right -0.94 0.39 m
100 % Average g force 1.01 g0.99 g min to max 1.05 g 1.05 0.99 g
Info Average speed 41 kt32 kt min to max 44 kt 44 32 kt
Info Average pitch angle 1.6 °1.1 ° min to max 2.0 ° 1.7 1.1 °
Info Average bank angle 0.2 °0.0 ° min to max 0.4 ° 0.1 0.4 °
Runway Exit Exiting runway, average speed 10 kt
ScoreDescriptionStartProfileEnd
Info Average speed 10 kt3 kt min to max 27 kt 27 3 kt
Info Average pitch angle 0.9 °0.5 ° min to max 1.3 ° 0.7 1.0 °
Info Average bank angle 0.2 °0.0 ° min to max 0.4 ° 0.2 0.2 °
Info Average g force 1.00 g0.99 g min to max 1.01 g 1.00 1.00 g

Takeoff

88.43 %
100.00Takeoff roll160 m · 15 %
100.00Liftoff speed55 kt
92.16Runway alignment3.98 m L
OkBounce on takeoffNone
97.97Rate of climb582 ft/m
Takeoff weight639 kg
Airfield elevation787 ft asl
Wind0° · 0 kn · 0 kn cross

Approach

99.69 %
Not assessed500 ft gateNot recorded
100.00Threshold height20 ft
100.00Threshold speed51 kt
100.00Centreline offset0.02 m R

Touchdown

100.00 %
100.00Touchdown point163 m
100.00Centreline at touchdown0.95 m R
100.00Sink rate-51 ft/m
100.00Touchdown force1.07 G
OkBouncesNone
100.00Rollout distance62 m · 21 % used
Landing weight638 kg
Airfield elevation787 ft asl

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

The approach, gate by gate

Gate Height Centreline Speed
0.5 nm 231 ft 1.03° R +7 kt
THR 21 ft 0.10 m L −4 kt

Touchdown on 4N1 24

Past threshold
163 m
Off centreline
0.95 mR
Sink rate
-51 ft/m
Impact
1.07G

Side view — the last 1,053 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 163 m

Plan view — the full 1,053 m runway, to the same scale as the side view.

5001,000 THRESHOLD FULL SCORE TO 503 M 163 m past threshold CLEARED

The 163 m touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 225 m of 1,053 m · 21 %

The rest of the report

Explore in detail

Flight narrative

The flight began with a departure roll from runway 24 at 4N1 Greenwood Lake. The aircraft, a DR400, accelerated down the runway and lifted off at a speed of 55 kt, requiring a takeoff distance of 160 m, which was 15% of the runway length. The local weather conditions at the time of takeoff were characterized by a temperature of 16 °C and a wind speed of 0 kt at 0 °, resulting in no crosswind or headwind.

As the aircraft entered the traffic pattern, it made a left-hand pattern entry from runway 24, completing the maneuver in less than 1 nm in 21 seconds. The subsequent left-hand pattern crosswind was also completed in less than 1 nm in 31 seconds. The pilot then initiated a pattern downwind turn, covering a distance of 1 nm at an angle of 62.7 ° to the runway. The downwind leg itself was 2 nm long and took 74 seconds to complete.

Following the downwind leg, the pilot executed a base leg turn, covering a distance of 1 nm at an angle of 3.7 ° to the runway. The final approach to runway 24 was made from the north-east, with the aircraft heading 217.0 ° at 1 nm and 250 ft above ground level. The landing was executed with a threshold speed that was slightly below the target speed of 51 kt, and the touchdown distance was good at 160 m. The touchdown speed was also good at 44 kt, and the touchdown rate was excellent at -52 fpm.

The runway touchdown alignment was perfect, and the runway rollout alignment was also perfect. The total landing distance was 236 m, which was 22% of the runway length. The local weather conditions at the time of landing were the same as at the time of takeoff, with a temperature of 16 °C and a wind speed of 0 kt at 359 °, resulting in no crosswind or headwind. The total flight distance was 4 nm, and the flight took 6 minutes to complete, using 1 kg of fuel.

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 24 at 4N1 Greenwood Lake in the DR400
92.13 %
88.43 %
Takeoff Roll
Departure roll runway 24 at 4N1 Greenwood Lake. Takeoff distance 160 m 15 % of runway. Liftoff speed was 55 kt. Local weather - Temperature 16 °C. Wind 0 kt at 0 °. Crosswind: 0 kt Headwind: 0 kt.
Takeoff Distance
100 %
Roll distance of 160 m using 15.22 % of runway
Liftoff Speed
100 %
Liftoff speed was 55 kn - Target 54 kn
Alignment
92.16 %
5.20 m left to 0.00 m left
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
60 45 30
Bank °
Info
1 0.5 0
Pitch °
Info
9 5 1
02505007501,000-505 Runway Distance m Runway Alignment to End of Runway m
97.97 %
Climb 1
Departure climb to 50 ft agl from runway 24 4N1 Greenwood Lake.
Alignment
100 %
2 0 -2
IAS kt
100 %
60 55 50
Bank °
91.89 %
6 3 0
G
100 %
1.5 1 0.5
Pitch °
Info
13 11 8
Climb Rate fpm
Info
700 300 -100
90 %
Climb 2
Departure climb to 400 ft agl from 24 4N1 Greenwood Lake.
Alignment
0 %
2 0 -2
IAS kt
100 %
70 55 40
Bank °
100 %
5 2.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
19 14 9
Climb Rate fpm
Info
1,300 700 100
02505007501,000071142213284355 Runway Distance m Height at End of Runway ft
00.030.060.090.120.150100200300400 Climb Distance NM Climb Profile to 1,000 ft
00.030.060.090.120.15-60-48-36-24-1201224364860 Climb Distance NM Runway Alignment (in m) to 1,000 ft
Landing report
Landing on runway 24 at 4N1 Greenwood Lake in the DR400
Landing Score 99.84 %
Landing Summary

The DR400 aircraft successfully landed at 4N1 Greenwood Lake, achieving a score of 99.8%. The final approach was conducted from the north-east, heading 217.0° at 1 nautical mile and 250 feet above ground level (agl). The aircraft demonstrated excellent control and precision during the approach, ultimately landing on runway 24.

The runway at 4N1 Greenwood Lake has a length of 1,053 meters, providing a sufficient distance for the aircraft to touch down safely. The threshold height was good, indicating that the aircraft was at the correct altitude as it approached the runway. However, the threshold speed was slightly below the target speed of 51 knots, which may be a minor area for improvement.

The touchdown distance of 160 meters was good, and the touchdown speed of 44 knots was also within acceptable limits. The most impressive aspect of the landing was the touchdown rate, which was an excellent -52 feet per minute (fpm). This indicates that the aircraft touched down smoothly and quickly, with minimal impact on the landing gear.

The local weather conditions were favorable, with a temperature of 16°C and a wind speed of 0 knots from 359°. This resulted in a zero crosswind and headwind, making the landing even more challenging and impressive. The total landing distance of 236 meters was only 22% of the runway length, demonstrating the aircraft's excellent braking performance and control.

The runway rollout alignment was perfect, indicating that the aircraft maintained its direction and speed after touchdown, and came to a stop smoothly and safely. Overall, the landing was a testament to the pilot's skill and the aircraft's performance, and it is clear that the DR400 is a capable and reliable aircraft.

100 %
Final 2
Approaching runway 24 at 4N1 Greenwood Lake from 2 nm to 1 nm. Descent from 250 ft agl to 208 ft agl. A decrease of 42 ft in 4 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
62 61 60
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
6 4 2
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-608 -654 -700
99.38 %
Final 1
Approaching runway 24 at 4N1 Greenwood Lake from 1 nm to 0 nm. Descent from 197 ft agl to 28 ft agl. A decrease of 169 ft in 28 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
60 55 50
Alignment
100 %
0.5 0 -0.5
Bank °
96.9 %
5 2.5 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-82 -441 -800
00.250.50.751050100150200 Distance to Touchdown NM Approach Height ft
00.250.50.751-30-23-15-7.507.5152330 Distance to Touchdown NM Approach Runway Alignment m
100 %
Landing
Landing on runway 24 at 4N1 Greenwood Lake, runway length 1,053 m. Good threshold height. Threshold speed was slightly below target at 51 kt.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
100 %
Threshold speed was slightly below target at 51 kt. Target 55 kt
Flare
100 %
Perfect landing flare
Centreline ft
100 %
100 0 -100
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
IAS kt
Info
51 46 40
Pitch °
Info
8 5 2
Descent Rate fpm
Info
-41 -271 -500
07515001123344657 Runway Distance m Landing Height ft
075150-9-8-7-6-5-4-3-2-10123456789 Runway Distance m Runway Width m
100 %
Touchdown
Touchdown distance was good at 160 m. Touchdown speed at 44 kt was good. Touchdown rate was excellent at -52 fpm. Runway touchdown alignment was perfect. Local weather - Temperature 16 °C. Wind 0 kt at 359 °. Crosswind: 0 kt Headwind: 0 kt.
Touchdown
100 %
Touchdown rate was excellent at -54 ft/m.
Speed
100 %
Touchdown speed at 44 kt was good. Target below 55 kn
Distance
100 %
Touchdown distance was good at 160 m.
Alignment
100 %
Runway touchdown alignment was perfect.
Bank
100 %
Bank angle 0.2 °
G
100 %
G 1.05 g
Bounce
100 %
No Bounce Detected
100 %
Rollout
Total landing distance 236 m, 22 % of runway. Runway rollout alignment was perfect.
Distance
100 %
Landing distance 236 m using 22.42 % of runway
Alignment
100 %
Runway rollout alignment was perfect.
G
100 %
1.25 1 0.75
IAS kt
Info
44 37 30
Bank °
Info
1 0.5 0
Pitch °
Info
3 2 1
0200 Runway Distance m Runway Width m
Metrics
Metrics

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