diff --git a/public_html/planeObject.js b/public_html/planeObject.js
index a5847ce..a02c2ac 100644
--- a/public_html/planeObject.js
+++ b/public_html/planeObject.js
@@ -111,15 +111,15 @@ function PlaneObject(icao) {
 PlaneObject.prototype.isFiltered = function() {
     // aircraft type filter
     if (this.filter.aircraftTypeCode) {
-        if (this.icaotype === null || (typeof this.icaotype === 'string' && this.icaotype.toUpperCase() !== this.filter.aircraftTypeCode.toUpperCase())) {
+        if (this.icaotype === null || (typeof this.icaotype === 'string' && !this.icaotype.toUpperCase().trim().match(this.filter.aircraftTypeCode))) {
             return true;
         }
     }
 
     // aircraft ident filter
     if (this.filter.aircraftIdent) {
-        if (this.flight === null || (typeof this.flight === 'string' && this.flight.toUpperCase().trim() !== this.filter.aircraftIdent.toUpperCase())) {
-            return true;
+        if (this.flight === null || (typeof this.flight === 'string' && !this.flight.toUpperCase().trim().match(this.filter.aircraftIdent))) {
+                return true;
         }
     }
 
diff --git a/public_html/script.js b/public_html/script.js
index e520b72..a0044c7 100644
--- a/public_html/script.js
+++ b/public_html/script.js
@@ -2125,12 +2125,12 @@ function updatePlaneFilter() {
     PlaneFilter.maxAltitude = maxAltitude;
     PlaneFilter.altitudeUnits = DisplayUnits;
 
-    var aircraftTypeCode = $("#aircraft_type_filter").val().trim()
+    var aircraftTypeCode = $("#aircraft_type_filter").val().trim().toUpperCase()
     if (aircraftTypeCode === "") {
         aircraftTypeCode = undefined
     }
 
-    var aircraftIdent = $("#aircraft_ident_filter").val().trim()
+    var aircraftIdent = $("#aircraft_ident_filter").val().trim().toUpperCase()
     if (aircraftIdent === "") {
         aircraftIdent = undefined
     }