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The Horten Ho229 aircraft departed from runway 33L at KBOS Logan International Airport, taking off with a distance of 638 feet, which accounted for 7% of the runway. The aircraft lifted off at a speed of 73 knots, and the local weather conditions at the time of takeoff were characterized by a temperature of 21 degrees Fahrenheit, with a wind speed of 29 knots coming from a direction of 300 degrees. This resulted in a crosswind of 8 knots and a headwind of 28 knots.
As the aircraft climbed away from the airport, it began its enroute climb, reaching an altitude of 644 feet above sea level, an increase of 173 feet from its initial altitude of 472 feet. This climb was achieved in just 2 minutes, covering a distance of 2 nautical miles. The aircraft continued its climb, eventually reaching a point where it began its final approach to runway 33L at KBOS Logan International Airport.
The final approach was made from the southeast, with the aircraft heading in a direction of 312.0 degrees at an altitude of 608 feet above ground level and a distance of 1 nautical mile from the runway. The aircraft then began its descent, touching down on the runway with a distance of 1,235 feet, which accounted for 16% of the runway's length. The touchdown speed was slightly higher than the target speed, at 83 knots, but the touchdown rate was smooth, at -149 feet per minute.
The runway touchdown alignment was very good, and the aircraft's rollout alignment was perfect. The taxiing process to the parking area from the runway took less than 1 minute and covered a distance of less than 1 nautical mile. The total flight distance was 4 nautical miles, and the flight duration was 3 minutes. The aircraft used a total of 38 pounds of fuel during the flight.
Replay this flight in 3D — the full flight path over the terrain with every stage, event and score along the route.
Departure roll runway 33L at KBOS Logan International Airport. Takeoff distance 638 ft 7 % of runway. Liftoff speed was 73 kn. Local weather - Temperature 21 °F. Wind 29 kn at 300 °. Crosswind: 8 kn Headwind: 28 kn.
| Score | Description | Start | Profile | End |
| 100 % |
Takeoff distance 638 ft 7 % of runway |
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| 100 % |
Liftoff speed was 73 kn Target 75 kn |
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| 0 % |
Runway alignment max 300.7 ft 300.3 ft left to 0.4 ft right |
300.3 | -0.4 ft | |
| 100 % |
Average g force 0.95 g 0.90 g min to max 1.02 g |
0.98 | 0.91 g | |
| 100 % |
Takeoff Bounce |
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| Info |
Average pitch angle 9.6 ° 7.9 ° min to max 10.7 ° |
10.3 | 9.8 ° | |
| Info |
Average bank angle 1.0 ° 0.0 ° min to max 1.8 ° |
0.3 | 0.8 ° | |
| Info |
Battery Master On at 10:14:12 |
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| Info |
Engine 1 Started at 10:14:12 |
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| Info |
Engine 2 Started at 10:14:12 |
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| Info |
Beacon Lights Switched On at 10:14:12 |
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| Info |
Landing Lights Switched On at 10:14:12 |
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| Info |
Navigation Lights Switched On at 10:14:12 |
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| Info |
Landing Gear Down at 10:14:12 |
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| Info |
Parking Brake On at 10:14:12 |
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| Info |
Parking Brake Off at 10:14:41 |
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| Info |
Parking Brake On at 10:14:41 |
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| Info |
Parking Brake Off at 10:15:05 |
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| Info |
Pitot Heat Switched On at 10:15:53 |
Departure climb to 50 ft agl from runway 33L KBOS Logan International Airport.
| Score | Description | Start | Profile | End |
| 100 % |
Heading variation 0.2 ° 0.0 ° min to max 0.3 ° |
0.0 | 0.3 ° | |
| 100 % |
Average speed 96 kn 74 kn min to max 127 kn |
74 | 127 kn | |
| 98.58 % |
Average bank angle 1.2 ° 0.0 ° min to max 2.5 ° |
0.9 | 0.6 ° | |
| 100 % |
Average g force 1.00 g 0.83 g min to max 1.28 g |
0.90 | 1.28 g | |
| Info |
Average VSI 383 fpm 244 fpm min to max 826 fpm |
259 | 826 fpm | |
| Info |
Average altitude 17 ft agl 0 ft agl min to max 52 ft agl |
0 | 52 ft agl | |
| Info |
Average pitch angle 8.8 ° 5.9 ° min to max 12.1 ° |
9.7 | 11.0 ° | |
| Info |
Landing Gear Up at 10:16:25 |
Departure climb to 400 ft agl from 33L KBOS Logan International Airport.
| Score | Description | Start | Profile | End |
| 100 % |
Heading variation 0.4 ° 0.3 ° min to max 0.8 ° |
0.3 | 0.8 ° | |
| 100 % |
Average speed 128 kn 127 kn min to max 132 kn |
127 | 132 kn | |
| 100 % |
Average bank angle 0.9 ° 0.6 ° min to max 1.8 ° |
0.6 | 0.6 ° | |
| 96.57 % |
Average g force 1.36 g 0.41 g min to max 1.62 g |
1.30 | 0.41 g | |
| Info |
Average VSI 1,666 fpm 866 fpm min to max 3,488 fpm |
866 | 3,447 fpm | |
| Info |
Average altitude 106 ft agl 54 ft agl min to max 355 ft agl |
54 | 355 ft agl | |
| Info |
Average pitch angle 15.4 ° 11.4 ° min to max 19.7 ° |
11.4 | 12.6 ° |
Departure climb to 1,000 ft agl from 33L KBOS Logan International Airport.
| Score | Description | Start | Profile | End |
| 100 % |
Heading variation 0.5 ° -1.0 ° min to max 1.0 ° |
0.9 | -1.0 ° | |
| 100 % |
Average speed 181 kn 146 kn min to max 217 kn |
146 | 217 kn | |
| 0 % |
Average bank angle 20.8 ° 0.9 ° min to max 47.6 ° |
1.4 | 41.7 ° | |
| 93.71 % |
Average g force 1.06 g 0.46 g min to max 1.72 g |
0.46 | 1.72 g | |
| 100 % |
Landing gear up |
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| Info |
Average VSI 355 fpm -36 fpm min to max 1,448 fpm |
1,448 | 651 fpm | |
| Info |
Average altitude 408 ft agl 402 ft agl min to max 426 ft agl |
405 | 426 ft agl | |
| Info |
Average pitch angle 2.7 ° 0.6 ° min to max 5.8 ° |
2.6 | 5.8 ° |
Enroute climb started overhead KBOS Logan International Airport Boston (Massachusetts, United States). Climbing from 472 ft asl to 644 ft asl, an increase of 173 ft in 2 minutes and covering 2 nm.
| Score | Description | Start | Profile | End |
| 0 % |
Average speed 218 kn 77 kn min to max 457 kn |
222 | 113 kn | |
| 4.56 % |
Average bank angle 28.3 ° 0.0 ° min to max 87.7 ° |
34.2 | 1.1 ° | |
| 0 % |
Average g force 1.72 g -0.13 g min to max 7.62 g |
1.08 | 0.44 g | |
| Info |
Average VSI 94 fpm -3,961 fpm min to max 8,171 fpm |
1,144 | 655 fpm | |
| Info |
Average altitude 996 ft asl 472 ft asl min to max 1,754 ft asl |
472 | 644 ft asl | |
| Info |
Average pitch angle 1.5 ° -14.7 ° min to max 18.5 ° |
5.2 | 1.3 ° | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
GPWS Warning Activated at 10:17:14 |
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| Info |
GPWS Warning Deactivated at 10:17:20 |
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| Info |
Flaps Position 1 at 10:17:38 |
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| Info |
Landing Gear Down at 10:17:39 |
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| Info |
Flaps Position 2 at 10:17:52 |
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| Info |
GPWS Warning Activated at 10:17:53 |
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| Info |
GPWS Warning Deactivated at 10:17:58 |
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| Info |
GPWS Warning Activated at 10:18:11 |
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| Info |
GPWS Warning Deactivated at 10:18:17 |
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| Info |
Exceeded 250 kn below 10000 ft at 10:16:48 |
Approaching runway 33L at KBOS Logan International Airport from 2 nm to 1 nm. Descent from 608 ft agl to 443 ft agl. A decrease of 165 ft in 9 seconds.
| Score | Description | Start | Profile | End |
| 62.18 % |
Approach angle 4.6 ° 4.5 ° min to max 5.0 ° Target 3.0 ° |
5.0 | 4.5 ° | |
| 100 % |
Average speed 108 kn 98 kn min to max 116 kn |
110 | 101 kn | |
| 100 % |
Heading variation -0.8 ° -0.9 ° min to max -0.6 ° |
-0.9 | -0.6 ° | |
| 79.35 % |
Average bank angle 4.7 ° 1.0 ° min to max 10.6 ° |
3.3 | 1.0 ° | |
| 100 % |
Average g force 1.01 g 0.65 g min to max 1.45 g |
0.65 | 1.01 g | |
| Info |
Average VSI -1,047 fpm -1,722 fpm min to max -638 fpm |
-638 | -778 fpm | |
| Info |
Average altitude 509 ft agl 443 ft agl min to max 608 ft agl |
608 | 443 ft agl | |
| Info |
Average pitch angle -1.4 ° -5.9 ° min to max 1.5 ° |
-5.2 | 0.3 ° | |
| Info |
GPWS Warning Activated at 10:18:24 |
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| Info |
GPWS Warning Deactivated at 10:18:26 |
Approaching runway 33L at KBOS Logan International Airport from 1 nm to 0 nm. Descent from 429 ft agl to 38 ft agl. A decrease of 391 ft in 40 seconds.
| Score | Description | Start | Profile | End |
| 42.15 % |
Approach angle 2.9 ° 2.1 ° min to max 4.4 ° Target 3.0 ° |
4.4 | 2.1 ° | |
| 100 % |
Average speed 85 kn 81 kn min to max 100 kn |
96 | 83 kn | |
| 100 % |
Heading variation 0.0 ° -0.3 ° min to max 0.0 ° |
-0.3 | 0.0 ° | |
| 86.38 % |
Average bank angle 1.0 ° 0.0 ° min to max 8.5 ° |
8.5 | 0.1 ° | |
| 100 % |
Average g force 1.01 g 0.80 g min to max 1.17 g |
1.03 | 1.08 g | |
| Info |
Average VSI -473 fpm -889 fpm min to max -253 fpm |
-795 | -431 fpm | |
| Info |
Average altitude 103 ft agl 38 ft agl min to max 429 ft agl |
429 | 38 ft agl | |
| Info |
Average pitch angle 3.9 ° -1.1 ° min to max 5.9 ° |
0.8 | 5.6 ° | |
| Info |
GPWS Warning Activated at 10:18:40 |
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| Info |
Flaps Position 3 at 10:18:41 |
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| Info |
GPWS Warning Deactivated at 10:18:46 |
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| Info |
GPWS Warning Activated at 10:18:49 |
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| Info |
GPWS Warning Deactivated at 10:18:52 |
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| Info |
GPWS Warning Activated at 10:18:54 |
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| Info |
GPWS Warning Deactivated at 10:18:55 |
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| Info |
GPWS Warning Activated at 10:18:59 |
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| Info |
GPWS Warning Deactivated at 10:19:01 |
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| Info |
GPWS Warning Activated at 10:19:07 |
Landing on runway 33L at KBOS Logan International Airport, runway length 9,200 ft. Good threshold height. Threshold speed was well above target at 83 kn.
| Score | Description | Start | Profile | End |
| 100 % |
Threshold speed was well above target at 83 kn. Target 75 kn |
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| 100 % |
Target 50 ft agl |
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| 83.65 % |
Landing and flare profile |
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| 100 % |
Heading variation 0.1 ° 0.0 ° min to max 0.1 ° |
0.0 | 0.0 ° | |
| 96.95 % |
Average bank angle 1.3 ° 0.0 ° min to max 3.8 ° |
0.0 | 0.7 ° | |
| 100 % |
Average g force 1.01 g 0.84 g min to max 1.18 g |
1.08 | 0.97 g | |
| Info |
Average speed 85 kn 72 kn min to max 92 kn |
83 | 72 kn | |
| Info |
Average VSI -159 fpm -422 fpm min to max 18 fpm |
-422 | -149 fpm | |
| Info |
Average altitude 16 ft agl 1 ft agl min to max 31 ft agl |
31 | 1 ft agl | |
| Info |
Average pitch angle 6.2 ° 4.2 ° min to max 10.0 ° |
5.7 | 10.0 ° | |
| Info |
GPWS Warning Deactivated at 10:19:18 |
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| Info |
GPWS Warning Activated at 10:19:22 |
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| Info |
GPWS Warning Deactivated at 10:19:23 |
Touchdown distance was good at 1,235 ft. Touchdown speed at 72 kn was a little fast. Touchdown rate was smooth at -149 fpm. Runway touchdown alignment was very good. Local weather - Temperature 21 °F. Wind 28 kn at 299 °. Crosswind: 7 kn Headwind: 27 kn.
| Score | Description | Start | Profile | End |
| 98.3 % |
Touchdown VSI was -149 fpm. |
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| 100 % |
Touchdown distance was 1,235 ft Target 1,500 ft |
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| 100 % |
Speed at touchdown 72 kn Target 72 kn |
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| 100 % |
Runway alignment max 6.7 ft 6.4 ft left |
6.4 | 6.7 ft | |
| 100 % |
Average bank angle 0.6 ° 0.4 ° min to max 0.8 ° |
0.7 | 0.8 ° | |
| 100 % |
Average g force 1.15 g 0.97 g min to max 1.28 g |
0.97 | 1.13 g | |
| 80 % |
Landing Bounce |
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| Info |
Average speed 69 kn 66 kn min to max 72 kn |
72 | 66 kn | |
| Info |
Average pitch angle 11.5 ° 10.0 ° min to max 12.5 ° |
10.0 | 12.5 ° |
Total landing distance 1,472 ft, 16 % of runway. Runway rollout alignment was perfect.
| Score | Description | Start | Profile | End |
| 100 % |
Landing distance 1,472 ft 16 % of runway. |
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| 100 % |
Runway alignment max 7.2 ft 7.2 ft left to 0.0 ft left |
6.7 | 6.2 ft | |
| 100 % |
Average g force 1.02 g 0.93 g min to max 1.11 g |
1.11 | 1.02 g | |
| Info |
Average speed 36 kn 30 kn min to max 41 kn |
41 | 30 kn | |
| Info |
Average pitch angle 11.9 ° 11.1 ° min to max 12.5 ° |
12.5 | 12.3 ° | |
| Info |
Average bank angle 0.4 ° 0.0 ° min to max 1.0 ° |
0.9 | 0.1 ° |
Exiting runway, average speed 35 kn
| Score | Description | Start | Profile | End |
| Info |
Average speed 12 kn 5 kn min to max 30 kn |
30 | 11 kn | |
| Info |
Average pitch angle 10.5 ° 9.2 ° min to max 12.2 ° |
12.2 | 10.3 ° | |
| Info |
Average bank angle 0.5 ° 0.0 ° min to max 0.9 ° |
0.2 | 0.8 ° | |
| Info |
Average g force 0.99 g 0.96 g min to max 1.02 g |
1.00 | 0.99 g | |
| Info |
Flaps Fully Retracted at 10:19:31 |
Taxiing to the parking from the runway took less than 1 minute. and covered less than 1 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 11 kn 11 kn min to max 11 kn |
11 | 11 kn | |
| 100 % |
Average speed turning corners 0 kn max 0 kn |
0 | 0 kn | |
| 100 % |
Average g force 0.98 g 0.98 g min to max 0.98 g |
0.98 | 0.98 g | |
| Info |
Average pitch angle 10.2 ° 10.2 ° min to max 10.3 ° |
10.3 | 10.2 ° | |
| Info |
Average bank angle 0.7 ° 0.7 ° min to max 0.8 ° |
0.8 | 0.7 ° |
The Horten Ho 229, a German experimental tailless aircraft, successfully landed at KBOS Logan International Airport on runway 33L. The aircraft approached the runway from the southeast, heading 312.0° at a distance of 1 nautical mile and an altitude of 608 feet above ground level (agl). The landing was executed with precision, as the aircraft touched down on the runway with a smooth touchdown rate of -149 feet per minute (fpm).
The threshold height was well within acceptable limits, and the threshold speed of 83 knots was significantly above the target speed, indicating a controlled approach. The touchdown distance of 1,235 feet was also satisfactory, demonstrating the aircraft's ability to manage its descent effectively. However, the touchdown speed of 72 knots was slightly faster than desired, which may have been due to the aircraft's design or the pilot's decision-making.
The local weather conditions at the time of the landing were characterized by a temperature of 21°F and a wind speed of 28 knots from 299°. The crosswind component was relatively low at 7 knots, while the headwind component was substantial at 27 knots. Despite these challenging conditions, the aircraft's pilot successfully managed the landing, aligning the aircraft with the runway and maintaining control throughout the rollout.
The total landing distance of 1,472 feet was within 16% of the runway length, indicating a relatively short landing distance. The runway rollout alignment was perfect, demonstrating the pilot's skill and the aircraft's stability during the post-landing phase. Overall, the landing was a success, showcasing the Horten Ho 229's capabilities and the pilot's expertise in executing a challenging landing in adverse weather conditions.
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