Launchers manufactured before 1 January, 1981, which do not have approval numbers are acceptable for use with meteor or parachute signals listed in Table 175.130 under Sec. 175.130 as long as they remain in serviceable condition. [CGD 76-183, 44 FR 73024, Dec. 17, 1979, as amended by CGD 81-038-A, 47 FR 24548, June 7, 1982; USCG-1998-3799, 63 FR 35534, June 30, 1998]