The U.S. aircraft register, updated daily
Engines · turboshaft · data as of October 23, 2026

Allison (Rolls-Royce) T63-A-700

16 aircraft on the U.S. register carry an Allison (Rolls-Royce) T63-A-700 engine, rated at about 317 horsepower. The Bell OH-58 is the model most often fitted with it (9 aircraft). The aircraft carrying it were built between 1967 and 1973.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Allison (Rolls-Royce) T63-A-700. FAA spelling: T63-A-700.

Kind of aircraft

By kind, as a table
aircraftshare
Helicopters16100%

When the aircraft were built by decade

By decade built, as a table
aircraft
19603
197012

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators

The whole map of how records connect · these connections as data: /graph/engine/allison-rolls-royce-t63-a-700.json.

Aircraft newest certificates first · 16

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N206KL Bell
OH-58A
Rotorcraft Wolfhawk Aviation LLC
Safety Harbor, Florida
Experimental 2026-09-27 ValidFAA registration status code V: Valid registration. All codes
N160DA Hughes
369A
Rotorcraft Individual owner
Texas
Standard 2025-11-04 ValidFAA registration status code V: Valid registration. All codes
N8525Y Hughes
OH-6A
Rotorcraft Individual owner
California
Experimental 2024-05-02 ValidFAA registration status code V: Valid registration. All codes
N24171 Bell
OH-58A
Rotorcraft Commerce Rotorcraft LLC
Commerce, Texas
Experimental 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N605LA Bell
OH58A
Rotorcraft Westbrookville Helicopter Services LLC
Wilmington, Delaware
Experimental 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N1045C Bell
OH-58
Rotorcraft Individual owner
Texas
Experimental 2021-06-16 ValidFAA registration status code V: Valid registration. All codes
N51741 Bell
OH-58A
Rotorcraft Individual owner
Texas
Experimental 2020-07-31 ValidFAA registration status code V: Valid registration. All codes
N259BK Hughes
369A
Rotorcraft Cavanaugh Collections INC
Addison, Texas
Standard 2020-04-30 ValidFAA registration status code V: Valid registration. All codes
N7242U Bell
206A-1
Rotorcraft Sl Jet H LLC
Franklin, North Carolina
Experimental 2019-10-07 ValidFAA registration status code V: Valid registration. All codes
N707EE Bell
OH-58A
Rotorcraft Individual owner
Michigan
Experimental 2017-04-18 ValidFAA registration status code V: Valid registration. All codes
N5623M Kelly/Enstrom
T280
Rotorcraft Individual owner
Oregon
Experimental 2013-03-05 ValidFAA registration status code V: Valid registration. All codes
N5869Y Bell
206A-1
Rotorcraft Mid South Aviation Institute
Black Rock, Arkansas
Experimental 2011-06-18 ValidFAA registration status code V: Valid registration. All codes
N51747 Bell
OH-58A
Rotorcraft Mid South Aviation Institute
Black Rock, Arkansas
Experimental 2011-06-14 ValidFAA registration status code V: Valid registration. All codes
N27LC Bell
OH-58A
Rotorcraft Individual owner
Texas
Experimental 2010-06-07 ValidFAA registration status code V: Valid registration. All codes
N911FC Bell
OH-58A
Rotorcraft Momentum Foundation INC
Tullahoma, Tennessee
Experimental 2009-03-03 ValidFAA registration status code V: Valid registration. All codes
N369DR Hughes
369A (OH-6A)
Rotorcraft Individual owner
Texas
Experimental 2002-02-04 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 23, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.