The propeller plane took off from Jönköping earlier in the evening and then flew over Stockholm.
Since the 21st century, it has flown back and forth – from Ekerö in the west to Kummelnäs in Nacka in the east – and combed Stockholm in horizontal lines from Östermalm in the north to Årsta in the south.
The plane stays at an altitude of about 1,000 meters.
– It looks very strange, it has flown back and forth for an hour now, says a Södermalmsbo.
“They do such inspections on an ongoing basis”
The plane has also attracted attention in local Facebook groups.
– It is a district heating inspection. I talked to the shift manager at Stockholm’s control center and they do such inspections on an ongoing basis. So it is a controlled flight at a fairly low altitude, says Cecilia Bengtström, an official on standby at the Swedish Civil Aviation Administration.
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