Try to find an aircraft image for NA...Found !
a:1:{i:0;a:34:{s:2:"id";s:6:"131970";s:5:"ident";s:6:"OAL063";s:12:"registration";s:2:"NA";s:13:"aircraft_icao";s:4:"C750";s:13:"aircraft_name";s:27:"750 Citation 10/Citation 10";s:21:"aircraft_manufacturer";s:6:"CESSNA";s:12:"airline_name";s:11:"Olympic Air";s:12:"airline_icao";s:3:"OAL";s:12:"airline_iata";s:2:"OA";s:15:"airline_country";s:6:"Greece";s:16:"airline_callsign";s:7:"OLYMPIC";s:12:"airline_type";s:9:"passenger";s:22:"departure_airport_city";s:10:"Klagenfurt";s:25:"departure_airport_country";s:7:"Austria";s:22:"departure_airport_iata";s:3:"KLU";s:22:"departure_airport_icao";s:4:"LOWK";s:26:"departure_airport_latitude";s:7:"46.6428";s:27:"departure_airport_longitude";s:7:"14.3372";s:26:"departure_airport_altitude";s:4:"1470";s:20:"arrival_airport_city";s:6:"London";s:23:"arrival_airport_country";s:14:"United Kingdom";s:20:"arrival_airport_iata";s:3:"LCY";s:20:"arrival_airport_icao";s:4:"EGLC";s:24:"arrival_airport_latitude";s:9:"51.505268";s:25:"arrival_airport_longitude";s:8:"0.055278";s:24:"arrival_airport_altitude";s:2:"19";s:8:"latitude";s:7:"46.6491";s:9:"longitude";s:7:"14.3265";s:8:"altitude";s:1:"0";s:12:"ground_speed";s:1:"0";s:7:"heading";s:3:"345";s:12:"heading_name";s:15:"North-Northwest";s:9:"waypoints";s:67:"VILAK DCT ERKIR/N0487F470 Q863 TEKSI DCT GUPIN DCT ULNOK L608 SUMUM";s:4:"date";s:25:"2025-09-15T15:35:42+00:00";}}