Sec. 90.445  Form of station records.

    (a) Station records shall be kept in an orderly manner, and in such 
detail that the data required are readily available. Key letters or 
abbreviations may be used if proper meaning or explanation is set forth 
in the record.
    (b) Each entry in the records of each station shall be signed by a 
person qualified to do so, having actual knowledge of the facts to be 
recorded.
    (c) No record or portion thereof shall be erased, obliterated, or 
wilfully destroyed within the required retention period. Any necessary 
correction may be made only by the person originating the entry, who 
shall strike out the erroneous portion, initial the correction made, and 
indicate the date of correction.