There are 10 Texas Helicopter OH-13E/M74 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1977 and 1979.
N51859
1979 Texas Helicopter Corp OH-13E/M74
Beulah, MS
N51846
1978 Texas Helicopter Corp OH-13E/M74
Goff, KS
N51850
1978 Texas Helicopter Corp OH-13E/M74
Rochelle, IL
N38092
1977 Texas Helicopter Corp OH-13E/M74
Hamilton, MI
N43921
1977 Texas Helicopter Corp OH-13E/M74
Tulare, CA
N176MR
Texas Helicopter Corp OH-13E/M74
Xxx, OK
N38096
Texas Helicopter Corp OH-13E/M74
Rochelle, IL
N38110
Texas Helicopter Corp OH-13E/M74
Hamilton, MI
N38113
Texas Helicopter Corp OH-13E/M74
Hamilton, MI
N51852
Texas Helicopter Corp OH-13E/M74
Nebraska City, NE