The term navigational instrument is identified in base64 scheme by the sequence bmF2aWdhdGlvbmFsIGluc3RydW1lbnQ=, while the MD5 signature is equal to 69d319109571fbc7c6a5478229b3d9cf. The ASCII encoding of navigational instrument in hexadecimal notation is 6e617669676174696f6e616c20696e737472756d656e74.