FEBRUARY 6 2003
Figure 7.4. Base Morale Sign Type F1a.
7.8. Base Changeable Letter Sign Type F1b.
7.8.1. General Information. The Base Changeable Letter Sign, Type F1b, identifies the base and
the principal organizations on base and welcomes important visitors.
7.8.2. Placement. The sign should be placed parallel to the flight line at the principal arrival
7.8.3. Information (Message). The base name is placed on the upper part of the sign, and the
changeable message is placed on the lower part of the sign. This message is made up of
changeable letter tiles with magnetic backing which are placed on the steel sign panel.
7.8.4. Structure. Use sign structure as the sign structure for the Type F1a Base Morale Sign.
7.8.5. Changeable Letter Tile Dimensions. Changeable Letter Tile: 150 mm (6") upper case
letter centered on a 225 mm (9") tile. The width of the tile varies with the letter width.
7.8.6. Tile Supply. Multiple alphabets, including punctuation marks, should be prepared on tiles.
7.8.7. Layouts. See Figure 7.7 for the sign layouts.