diff --git a/aerofiles/igc/reader.py b/aerofiles/igc/reader.py
index cd2b2d7..c884c60 100644
--- a/aerofiles/igc/reader.py
+++ b/aerofiles/igc/reader.py
@@ -167,10 +167,6 @@ def next(self):
                 yield (record_type, None, e)
 
     def parse_line(self, record_type, line):
-
-        if len(line) > 76:
-            raise LineLengthError
-
         decoder = self.get_decoder_method(record_type)
         return decoder(line)
 
@@ -691,17 +687,9 @@ def decode_longitude(lon_string):
         return longitude
 
 
-class InvalidIGCFileError(Exception):
-    pass
-
-
 class MissingRecordsError(Exception):
     pass
 
 
 class MissingExtensionsError(Exception):
     pass
-
-
-class LineLengthError(Exception):
-    pass
diff --git a/tests/igc/test_reader.py b/tests/igc/test_reader.py
index 88dc373..2f41f0d 100644
--- a/tests/igc/test_reader.py
+++ b/tests/igc/test_reader.py
@@ -1,6 +1,10 @@
+# This Python file uses the following encoding: utf-8
+
 import datetime
 import os
 
+import pytest
+
 from aerofiles.igc.reader import Reader
 from aerofiles.igc.reader import LowLevelReader
 
@@ -32,6 +36,26 @@ def test_decode_B_record():
     assert LowLevelReader.decode_B_record(line) == expected_result
 
 
+def test_decode_invalid_B_record():
+    """Test whether decoding invalid B record raise Error"""
+
+    invalid_b_records = [
+        'B1053175438931N0ÿÿÿøÈÐÀÀÜÐáÀÄÈàÔÀÄÈÌØÀÀÜÀÀ',
+        'BÿÿÿøÄÀÈÌÄàÐäÐàààÁ8ÀÄÔÀäÈÌå��ÀÄàÔäÀ',
+        'B1140ÿÿÿøÌÈÔÐÌÌààÑ8ÀÈÐÈÌàÌÕÀÀääÈÀÀäÔ',
+        'B1309044931600N0153ÿÿÿøÐÀÄÍÀÄÔÌØÀÄÔÜØÀÀäÀ',
+        'B10470349ÿÿÿøÌÔäØÕ8ÀÄÔÄÈàÜÙÀÄàÐÐÀÄäÀÜÀÀØÀ',
+        'B11052249474ÿÿÿøÀÉ8ÀÄÔÀÜÜäÕÀÄÌÐÌÀÄÐÀÈÀÀÔÀ',
+        'B12ÿÿÿøÐØÀÌÐäÐÈØäÝ8ÀÄÔÄÜÌÐÑÀÄØÐàÀÄÜÐÀÀÀÜÀÀÀ4)ÄÈ',
+        'B1124185148269N9833N00553309EA0084800873000068000000',
+        'B1245085122369N00614242EÿÿÿùÀÄÜØÄÀÄàÐäÀÀØÀ',
+    ]
+
+    for b_record in invalid_b_records:
+        with pytest.raises(ValueError):
+            LowLevelReader.decode_B_record(b_record)
+
+
 def test_decode_C_record1():
     line = 'C150701213841160701000102 500K Tri\r\n'
     expected_result = {