Order 7110.65P, Air Traffic Control, with changes

2/19/047110.65PSection 3. Flight Progress Strips2−3−1. GENERALUnless otherwise authorized in a facility directive,use flight progress strips to post current data on airtraffic and clearances required for control and otherair traffic control services. To prevent misinterpretationwhen data is hand printed, use standardhand-printed characters.En route: Flight progress strips shall be posted.REFERENCE−FAAO 7210.3, Flight Progress Strip Usage, Para 6−1−6.a. Maintain only necessary current data andremove the strips from the flight progress boardswhen no longer required for control purposes. Tocorrect, update, or preplan information:1. Do not erase or overwrite any item. Use an“X” to delete a climb/descend and maintain arrow, anat or above/below symbol, a cruise symbol, andunwanted altitude information. Write the new altitudeinformation immediately adjacent to it and within thesame space.2. Do not draw a horizontal line through analtitude being vacated until after the aircraft hasreported or is observed (valid Mode C) leaving thealtitude.3. Preplanning may be accomplished in redpencil.b. Manually prepared strips shall conform to theformat of machine-generated strips and manual strippreparation procedures will be modified simultaneouslywith the operational implementation ofchanges in the machine-generated format.(See FIG 2−3−1.)c. Altitude information may be written inthousands of feet provided the procedure isauthorized by the facility manager, and is defined ina facility directive, i.e. 5,000 feet as 5, and 2,800 as2.8.NOTE−A slant line crossing through the number zero andunderline of the letter “s” on handwritten portions of flightprogress strips are required only when there is reason tobelieve the lack of these markings could lead tomisunderstanding. A slant line crossing through thenumber zero is required on all weather data.Flight Progress Strips2−3−1