Modes with 4 Flats

For larger mode maps:
Ab Ionian
Bb Dorian
C Phrygian
Db Lydian
Eb Mixolydian
F Aeolian
G Locrian

See also:
Ab Major Scale
F Minor Scale

Dictionary: F Aeolian Mode

Dictionary: Bb Dorian Mode

Dictionary: Eb Mixolydian Mode

Dictionary: Ab Ionian Mode

Dictionary: Db Lydian Mode

Dictionary: G Locrian Mode

Dictionary: C Phrygian Mode

Dictionary: F Minor Scale

This scale is the relative minor of Ab major.  In the table below, you'll enter F harmonic minor territory with the chords to the right:

Fm	Ab	Gdim	Abaug
Bbm	Db	Dbm	Bbdim
Cm	Eb	C	Edim

Dictionary: Ab Major Scale

From this four-flat scale, we can derive the modes Ab Ionian, Bb Dorian, C Phrygian, Db Lydian, Eb Mixolydian, F Aeolian, and G Locrian.  In the table below, the obviously key-appropriate chords are to the left, and some somewhat off-key triads that could work in transition are to the right:

Ab	Fm	Gdim	Abaug
Db	Bbm	Dbm	Bbdim
Eb	Cm	C	Edim