4-String Banjo Chord Chart and Tabs in Irish Tuning

Fb7b5, FbM7b5, FbM7b5, FbM7b5, Fb dom7dim5
Notes: F♭, A♭, C♭♭, E♭♭
9,6,5,6 (4213)
9,8,11,10 (2143)