The prerequisite being a 'Maps' site with <weekly aerial updates. While relatively plausible today (a few styrofoam drones, camera arrays, pay fer acre for 'crowdsourcing', ...)[1], the legal woes are frightening.
[1] 'relatively plausible' in relation to 'cubesats' and other aerospace driven monitoring.
How about just a large For Sale with an 800 number? If the property is under an approach to a busy airport. The audience being, of course, all those bored folks in window seats with electronics turned off below 10,000 feet.
Design your sign. Slice your image into two or three horizontal stripes. Then email your slices to one of those vinyl banner sign companies, to be printed on 8' x 50' strips.
One of the features of real-estate development is that a lot of research tends to be done anonymously to avoid tipping one's hand. In addition, many tracts of interest are not near airports, etc.
