In Vliegtuig, Alfred Ost presents a serene marine landscape dominated by soft blues and greens. The painting features an airplane soaring above the horizon, contrasting with the tranquil waters below. Gentle waves reflect the sky, creating a harmonious balance between nature and technology.

The overall atmosphere is peaceful, inviting viewers to contemplate the relationship between man-made and natural elements. The painting is executed in oil on canvas, showcasing Ost's Impressionist style. The brushwork is loose and fluid, allowing for a sense of movement in both the airplane and the water. The colors are vibrant yet soothing, typical of Ost's palette.

Viewers can appreciate the way light interacts with the surface of the water and the airplane, creating a dynamic visual experience. Alfred Ost was a Belgian painter known for his marine scenes and landscapes. Vliegtuig reflects his fascination with modern technology, particularly aviation, during the early 20th century. This work is significant as it captures a moment when airplanes were becoming symbols of progress and adventure.

Interestingly, Ost often painted scenes that juxtaposed nature with human innovation, making this piece a notable example of his thematic exploration.