26 Aug 2022, 08:41
[quote="mekong68"]No, that (the 0 indicating obsolete or anything) is not true (never even heard that in my 30+ years of doing this) or what happened for this incident. TO 1-1-8 says tail number will be last digit of the year or contract year and 4-digit serial number. In this case, it was a error/screw up by the facility that repainted the aircraft. It will be corrected to reflect the correct tail number, 46702.[/quote
Using a "0" before an aircrafts serial number to indicate an aircraft was over 10 years old was standard procedure back in the 1950's and It ended around the time they stopped using "buzz numbers". See picture below of Nebraska ANG F-86D fighter below. The buzz number was a 2 letter code followed by the last 3 digits of the serial number.
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Vietnam veteran (70th Combat Engineer Battalion)(AnKhe & Pleiku) 1967
Retired from Chrysler Engineering