ADS-B 1090 MHz Planefence

Show aircraft in range of PAPB Plane Fence ADS-B station for a specific day

Welcome to Pribilof Traffic Planefence!

Executive Summary

Last update: Jun 16, 2025 17:59:43 AKDT
Maximum distance from 56.93°N, -169.876°E: 50.0 nm
Only aircraft below 10,000 ft are reported
Data extracted from 130,062 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

Click on the triangle next to the header to show/collapse the section

Flights In Range Table

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 local ground level, which is 9 ft MSL.
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	Airline or Owner	Time First Seen	Time Last Seen	Min. Altitude	Min. Distance
0		A6FEB2	N55SR	GRANT AVIATION	2025-06-16 15:27:55 AKDT	2025-06-16 15:36:35 AKDT	891 ft AGL	16.8 nm
1		A6FEB2	N55SR	GRANT AVIATION	2025-06-16 16:05:39 AKDT	2025-06-16 16:10:33 AKDT	591 ft AGL	22.81 nm

Notes on sound level data

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.

Heatmap

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

Historical Data

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