diff --git a/nodejs/FlightRadar24/entities/flight.js b/nodejs/FlightRadar24/entities/flight.js
index 2f5e67b..0377be2 100644
--- a/nodejs/FlightRadar24/entities/flight.js
+++ b/nodejs/FlightRadar24/entities/flight.js
@@ -4,6 +4,8 @@ const Entity = require("./entity");
  * Flight representation.
  */
 class Flight extends Entity {
+    static __heloModels: string[] = ["A002", "A109", "A119", "A129", "A139", "A149", "A169", "A189", "ALH", "ALO2", "ALO3", "AS32", "AS3B", "AS50", "AS55", "AS65", "B06", "B06T", "B105", "B212", "B222", "B230", "B407", "B412", "B427", "B429", "B430", "B47G", "B47J", "BK17", "BSTP", "EC20", "EC25", "EC30", "EC35", "EC45", "EC55", "EC75", "EH10", "EXPL", "FREL", "GAZL", "H2", "H269", "H47", "H500", "H53", "H53S", "H60", "H64", "HUCO", "KA32", "KA50", "KA52", "KMAX", "LAMA", "LYNX", "MI26", "MI38", "MI8", "NH90", "OH1", "PUMA", "R22", "R44", "R66", "RVAL", "S61", "S61R", "S76", "S92", "SUCO", "TIGR", "UH1", "UH1Y", "V22", "B505", "G2CA", "GYRO", "H160", "CDUS", "MM24"];
+    
     /**
      * Constructor of Flight class.
      *
@@ -172,6 +174,7 @@ class Flight extends Entity {
         this.aircraftHistory = this.__getInfo(history?.["aircraft"], []);
         this.aircraftImages = this.__getInfo(aircraft?.["images"], []);
         this.aircraftModel = this.__getInfo(aircraft?.["model"]?.["text"]);
+        this.aircraftIsHelo = this.__heloModels.indexOf(this.aircraftModel) > -1;
 
         // Airline information.
         this.airlineName = this.__getInfo(airline?.["name"]);