Preheat oven to 350 degrees F (175 degrees C). Grease and flour an 8 1/2 x 4 1/2 inch loaf pan.
In a large bowl, combine flour, baking powder, baking soda, salt, cinnamon, nutmeg, brown sugar, and oats. Add apple, nuts, raisins, eggs, milk, and oil. Mix until dry ingredients are moistened.
Bake for 55 to 60 minutes, or until done. Cool on wire rack.
