Planefence

• Last update: Jul 31, 2025 23:59:21 CEST
• Maximum distance from 50.272°N, 8.647°E: 3 km
• Only aircraft below 13000 ft are reported
• Data extracted from 4601730 ADS-B messages received since midnight today
• Please note that the reported station coordinates and the center of the circle on the heatmap are rounded for privacy protection. They do not reflect the exact location of the station
• A RSS feed of the aircraft detected with Planefence is available at planefence.rss
• Additionally, click here to visit Plane Alert: a watchlist of aircraft in general range of the station

• Click on the Transponder ID to see the full flight information/history (from globe.adsbexchange.com)
• Click on the Flight Number to see the full flight information/history (from FlightAware)
• Click on the Owner Information to see the FAA record for this plane (private, US registered planes only)
• Minimum altitude is the altitude above sea level
• See a list of aircraft matching the station's Alert List here
• Press the header of any of the columns to sort by that column

No.	Aircraft Image	Transponder ID	Flight	Flight Route	Airline or Owner	Time First Seen	Time Last Seen	Min. Altitude	Min. Distance	Notified
0		4CC530	ICE524	KEF-FRA	ICELANDAIR	2025-07-31 05:17:14 CEST	2025-07-31 05:17:33 CEST	7850 ft MSL	2.68 km	yes
1		3C4ACD	DLH471	YYZ-FRA	LUFTHANSA	2025-07-31 07:43:46 CEST	2025-07-31 07:44:06 CEST	8375 ft MSL	2.52 km	yes
2		3C64AB	DLH6U	LHR-FRA	LUFTHANSA	2025-07-31 09:36:00 CEST	2025-07-31 09:36:32 CEST	8975 ft MSL	1.6 km	yes
3		347309	AEA32NV	MAD-FRA	AIR EUROPA	2025-07-31 09:38:08 CEST	2025-07-31 09:38:26 CEST	6250 ft MSL	2.6 km	yes
4		3C7982	CFG4XP	CDG-FRA	CONDOR FLUGDIENST	2025-07-31 09:39:55 CEST	2025-07-31 09:40:15 CEST	5975 ft MSL	2.51 km	yes
5		3DFF8E	DHRAK		unknown	2025-07-31 12:43:52 CEST	2025-07-31 12:47:03 CEST	925 ft MSL	0.33 km	yes
6		3C6742	DLH1WT	GLA-FRA	LUFTHANSA	2025-07-31 15:51:22 CEST	2025-07-31 15:51:59 CEST	7550 ft MSL	1.31 km	yes
7		3C658C	DLH3F	CDG-FRA	LUFTHANSA	2025-07-31 16:00:43 CEST	2025-07-31 16:01:14 CEST	5975 ft MSL	1.68 km	yes
8		44CE79	BEL2SR	BRU-FRA	BRUSSELS AIRLINES	2025-07-31 16:16:45 CEST	2025-07-31 16:17:10 CEST	9025 ft MSL	2.3 km	yes
9		4079D3	CFE7VR	LCY-FRA	BA CITYFLYER	2025-07-31 17:00:51 CEST	2025-07-31 17:01:31 CEST	6000 ft MSL	0.98 km	yes
10		3DEB82	CHX90		DRF LUFTRETTUNG	2025-07-31 18:16:32 CEST	2025-07-31 18:17:46 CEST	2275 ft MSL	1.74 km	yes
11		3C65C2	DLH4H	LHR-FRA	LUFTHANSA	2025-07-31 21:18:01 CEST	2025-07-31 21:18:22 CEST	6950 ft MSL	2.29 km	yes

• This data is for informational purposes only and is of indicative value only. It was collected using a non-calibrated device under uncontrolled circumstances.
• The data unit is "dBFS" (Decibels-Full Scale). 0 dBFS is the loudest sound the device can capture. Lower values, like -99 dBFS, mean very low noise. Higher values, like -10 dBFS, are very loud.
• The system measures the RMS of the sound level for contiguous periods of 5 seconds.
• 'Loudness' is the difference (in dB) between the Peak RMS Sound and the 1 hour average. It provides an indication of how much louder than normal it was when the aircraft flew over.
• Loudness values of greater than 16 dB are in red. Values greater than 9 dB are in yellow.
• 'Peak RMS Sound' is the highest measured 5-seconds RMS value during the time the aircraft was in the coverage area.
• The subsequent values are 1, 5, 10, and 60 minutes averages of these 5 second RMS measurements for the period leading up to the moment the aircraft left the coverage area.
• One last, but important note: The reported sound levels are general outdoor ambient noise in a suburban environment. The system doesn't just capture airplane noise, but also trucks on a nearby highway, lawnmowers, children playing, people working on their projects, air conditioner noise, etc.

• This heatmap reflects passing frequency and does not indicate perceived noise levels
• The heatmap is limited to the coverage area of Planefence, for any aircraft listed in the table above

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Additional dates may be available by browsing to planefence-yymmdd.html in this directory.