Aircraft spotting cycling route

What can one experience here?

Suggestion route on the cycling network.
Follow the waymarks: start - 12 - 55 - 54 - 53 - 99 - 93 - 64 - 65 - 92 - 90 - 91 - 47 - 24 - 48 - 12.
Start at the small square at the church of Saint Katharina in Humelgem.
Spot planes from two platforms along the Zaventem runway, they almost fly over your head.
Enjoy some nature at the Floordam woods.
In the hamlet of Lemmeke, see the site of the plane crash in 1961, the worst in Sabena’s history.
Discover Woluweveld, a surprising piece of green within the Brussels Ringroad.
In Diegem you can admire the church tower with the three crowns that imitate a tiara, and the stately Margapaviljoen.