die Landung
landing
The controlled touching down of an airplane, spacecraft, or bird on the ground or on a surface.
Trotz des starken Windes war die Landung des Flugzeugs sehr sanft.
Despite the strong wind, the airplane's landing was very smooth.

landing
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landing
The controlled touching down of an airplane, spacecraft, or bird on the ground or on a surface.
Trotz des starken Windes war die Landung des Flugzeugs sehr sanft.
Despite the strong wind, the airplane's landing was very smooth.

The noun 'die Landung' (the landing) is derived from the verb 'landen' (to land). The ending '-ung' is a typical way in German to form a feminine noun from a verb.
Alle Passagiere applaudierten, nachdem das Flugzeug sicher gelandet war.
All the passengers applauded after the plane had landed safely.
You can recognize the meaning of 'Landung' from the context: in connection with 'Flugzeug' (airplane) or 'Pilot' (pilot), it is about flying. With 'Truppen' (troops) or 'Küste' (coast), it refers to a military action. In the context of 'Turnen' (gymnastics) or 'Salto' (somersault), it is about sports.
Der Pilot bereitete die Landung auf dem kleinen Flughafen vor.
The pilot prepared the landing at the small airport.
In the context of airplanes, 'Landung' is often combined with the verbs 'ansetzen zu' (to begin/prepare for) and 'hinlegen' (to perform/pull off). Typical adjectives are 'sanft' (smooth), 'hart' (hard), or 'sicher' (safe).
Der Pilot musste wegen des Nebels eine sehr schwierige Landung hinlegen.
Because of the fog, the pilot had to pull off a very difficult landing.
In gymnastics or ski jumping, there is the fixed expression 'die Landung stehen' (to stick the landing). It means that an athlete comes down safely and without wobbling after a jump or exercise.
Obwohl der Sprung sehr hoch war, konnte der Turner die Landung perfekt stehen.
Although the jump was very high, the gymnast was able to stick the landing perfectly.
start
'der Start' and 'die Landung' are opposites when talking about airplanes or rockets. 'der Start' is the moment when an airplane or rocket lifts off from the ground. 'die Landung' is the moment when it deliberately touches down on the ground again. So with air travel, you talk about the takeoff at the beginning and the landing at the end.

Die Landung in Berlin war ruhig, obwohl es geregnet hat.
The landing in Berlin was smooth, even though it had been raining.
Wegen des starken Windes verzögert sich der Start des Flugzeugs.
Because of the strong wind, the airplane's takeoff is delayed.