Search LADD: N9531D
N9531D is on the LADD list. So it is 'blocked'

Any site that uses FAA data is required to block this aircraft, ie. FlightRadar24, FlightAware. You can still track it on TheAirTraffic.com though.
Seen on LADD before we began logging dates.Last Seen on LADD: 2025-05-13
N9531D is not on LADD Source block list as of last check on 2023-01-09
Aircraft Info: N9531D
Warning: file_get_contents(https://api.planespotters.net/pub/photos/reg/N9531D): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in /var/www/html/search.php on line 230
ICAO: ad424b
ICAO Type: C172
Manufacturer: CESSNA
Model: 172 Skyhawk
Year: 1999
Owner: ATP AIRCRAFT 4 LLC
Military: False