List of Operators of TH-57B Sea Ranger Years Model Org 1968- 206 US Navy Global Distribution of TH-57B Sea Ranger 51th-57b Construction Numbers C/N Year History 3437 161695 3540 161696 3541 161697 3542 161698 3543 161699 3544 161700 3545 161701 3828 162803 3829 162804 3830 162805 3831 162806 3832 162807 3833 162808 3834 162809 3835 162810 3882 163312 3883 163313 3884 163314 3885 163315 3886 163316 3887 163317 3888 163318 3889 163319 3890 163320 3891 163321 3892 163322 3893 163323 3894 163324 3895 163325 3896 163326 3897 w/o 2015 163327 3898 163328 3899 w/o 1998 163329 3900 163330 3901 163331 3902 163332 3903 163333 3904 163334 3905 w/o 2006 163335 3906 163336 3907 163337 3908 163338 3909 163339 3910 163340 3911 163341 3912 w/o 2008 163342 3913 163343 3914 163344 3915 163345 3916 163346 3917 163347
US Navy 