Apt: AB

GEORGIA	ABY	ALBANY SOUTHWEST GEORGIA RGNL
NEW MEXICO	ABQ	ALBUQUERQUE INTL SUNPORT
PENNSYLVANIA	ABE	ALLENTOWN LEHIGH VALLEY INTL
PUERTO RICO	ABO	ARECIBO ANTONIO-NERY-JUARBE POL
SOUTH DAKOTA	ABR	ABERDEEN RGNL
TEXAS	ABI	ABILENE REGIONAL