US Helicopter Registry

BellOH-13andH-13Sioux

25 Bell OH-13 and H-13 Sioux helicopters hold a valid FAA registration, 0 percent of the US fleet and the number 50 type by count. It is a military surplus helicopter, built by Texas Helicopter Corp.

25
Registered in the US
0
On a Part 135 certificate
1978
Median year built
1
Seats (FAA reference)

Variants the FAA lists

The FAA lists it under 9 model strings, folded together here. The strings are the manufacturer's own designations as typed on the registration, so a suffix marks a sub-model, an engine option, or sometimes only a different clerk.

Model as registeredRegistered
OH-13E/M749
H13G4
OH-13H/M74A4
H-133
H-13E1
H-13H1
OH-13E1
OH-13G1
OH-13H/M74L1

Where the Bell OH-13 and H-13 Sioux is registered

By the registrant's state. A trust or leasing company can put a whole fleet at one address, so a state's count is about paperwork as much as flying.

When they were built

  • 1950s 416%
  • 1970s 936%
  • 2000s 14%

The register runs from 1952 to 2005, with 1979 the busiest year at 4 airframes. 11 records carry no year of manufacture.

Who registers them

  • Corporation 1040%
  • LLC 832%
  • Individual 624%
  • Government 14%

The organisations with the most Bell OH-13 and H-13 Sioux helicopters registered. Private individuals are counted above but never named.

RegistrantHelicopters
HHI FARMS LLC4
HENDRICKSON FLYING SERVICE INC3
AG AIR INC1
AVIATION MAINTENANCE TECHNOLOGY1
BROTHERS AVIATION LLC1
COSTA SPRAYING INC1
COUNTY LINE HELICOPTER INC1
MAGNUM AVIATION LLC1

Engine and certification

0 are recorded as turbine powered and 25 as piston. The engines the FAA lists most often: LYCOMING VO-435 SERIES (6), LYCOMING VO-435-A1F (3), FRANKLIN 6A&6V335 SER (2), FRANKLIN 6V4 SERIES (2), LYCOMING VO-540 SERIES (2).

  • Restricted 1352%
  • Standard 520%
  • Experimental 14%
  • Multiple 14%

Standard is the airworthiness class a passenger-carrying aircraft holds. Restricted covers agricultural, external-load and other special-purpose work, and experimental covers research, exhibition and amateur-built aircraft; neither carries paying passengers.

Common questions

How many Bell OH-13 and H-13 Sioux helicopters are there in the United States?

25 hold a valid FAA registration in the file dated 14 September 2026, 0 percent of all registered helicopters, which ranks the Bell OH-13 and H-13 Sioux number 50 among model families. The FAA lists it under 9 model strings, folded together here.

Where are most Bell OH-13 and H-13 Sioux helicopters registered?

Michigan leads with 5, then Illinois with 3. The state is the registrant's address rather than where the aircraft flies.

Is the Bell OH-13 and H-13 Sioux used for charter?

None of the 25 registered appear on a Part 135 certificate in the FAA workbook, so the type is not flying for hire in the United States at present.

How old are the Bell OH-13 and H-13 Sioux helicopters on the register?

The median was built in 1978; the register runs from 1952 to 2005, with 1979 the busiest year at 4. 11 records carry no year.

Source: FAA Releasable Aircraft Database, file dated 14 September 2026; Part 135 workbook dated 9 August 2026. Look up any airframe by tail number on the registry hub.

Other model families

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