Allison (Rolls-Royce) 250 series
446 aircraft on the U.S. register carry an Allison (Rolls-Royce) 250 series engine, rated at about 250 horsepower. The Bell 206 JetRanger and LongRanger is the model most often fitted with it (243 aircraft). The aircraft carrying it were built between 1962 and 2005.
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) 250 series (6 codes). FAA spellings: 250 SER 250HP · 250 SER 250HP · 250 SER 317HP · 250 SER 400HP · 250 SERIES · 250 SER.
Fitted to model families
Bell 206 JetRanger and LongRanger243Hughes Helicopters Inc HUGHES 36952Hughes 369 500 series helicopters34Bell 40723Bell 4716Hiller UH-1215Enstrom Helicopter Corp 48012Bell 4308Beechcraft A36 Bonanza7Fairchild Hiller FH-11005Cessna P210 Pressurized Centurion3Siai-Marchetti SM-10193
Bell 206 JetRanger and LongRanger · Hughes Helicopters Inc HUGHES 369 · Hughes 369 500 series helicopters · Bell 407 · Bell 47 · Hiller UH-12 · Enstrom Helicopter Corp 480 · Bell 430 · Beechcraft A36 Bonanza · Fairchild Hiller FH-1100
Where they are owner's state
Delaware46California43Florida32Texas30Missouri18Louisiana18Oregon17Alaska17Montana16Washington12
Kind of aircraft
Helicopters422 (95%)Piston singles16 (4%)Turboprops7 (2%)Piston twins1 (0.2%)
When the aircraft were built by decade
Connections how this engine series links to the rest of the register
Fitted to
- Bell 206 JetRanger and LongRanger 243 with this engine series
- Hughes Helicopters Inc HUGHES 369 52 with this engine series
- Hughes 369 500 series helicopters 34 with this engine series
- Bell 407 23 with this engine series
- Bell 47 16 with this engine series
- Hiller UH-12 15 with this engine series
- Enstrom Helicopter Corp 480 12 with this engine series
- Bell 430 8 with this engine series
Where they are
- Delaware 46 of these aircraft
- California 43 of these aircraft
- Florida 32 of these aircraft
- Texas 30 of these aircraft
- Missouri 18 of these aircraft
Biggest operators
- Air Evac Ems INC 17 of these aircraft
- Temsco Helicopters INC 6 of these aircraft
- Summit Helicopters INC 4 of these aircraft
- Ranger Aviation Leasing LLC 4 of these aircraft
- Magnum Aviation LLC 4 of these aircraft
Analytics
These connections as data: /graph/engine/allison-rolls-royce-250-series.json · about the eFlight graph.
Aircraft newest certificates first · 446
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N28ML | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Tre Aviation CORP Wilmington, Delaware |
Standard | 2011-07-12 | ValidFAA registration status code V: Valid registration. All codes |
| N1201W | Bell 47G-5 |
Rotorcraft | Magnum Aviation LLC Goff, Kansas |
Standard | 2011-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N758ER | Bell 206B |
Rotorcraft | Per-Dar Helicopter LLC Houston, Texas |
Restricted | 2011-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N59383 | Bell 206B |
Rotorcraft | N57Aw LLC Glendale, Arizona |
Standard | 2011-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N58431 | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Individual owner Texas |
Multiple | 2011-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1368X | Bell 206A |
Rotorcraft | Individual owner Oregon |
Standard | 2011-03-23 | ValidFAA registration status code V: Valid registration. All codes |
| N58350 | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Siller Helicopters INC Yuba City, California |
Standard | 2011-01-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2183Y | Bell 206B |
Rotorcraft | Standard | 2010-09-22 | ValidFAA registration status code V: Valid registration. All codes | |
| N407HA | Bell 407 |
Rotorcraft | Helo N219Ha LLC Richmond, Virginia |
Standard | 2010-08-03 | ValidFAA registration status code V: Valid registration. All codes |
| N867CH | Bell 206B |
Rotorcraft | Northview Christian Church Dothan, Alabama |
Standard | 2010-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N706CC | Bell 206B |
Rotorcraft | Certified Aviation LLC Wilmington, Delaware |
Standard | 2010-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N299TB | Bell 206B |
Rotorcraft | Chemair Helicopters INC Jefferson, Wisconsin |
Standard | 2010-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N62409 | Hiller OH-23G |
Rotorcraft | Individual owner Kansas |
Multiple | 2010-06-02 | ValidFAA registration status code V: Valid registration. All codes |
| N198MA | Bell 206B |
Rotorcraft | Marks Aviation Group LLC Lafayette, Louisiana |
Standard | 2010-05-24 | ValidFAA registration status code V: Valid registration. All codes |
| N513HT | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Heliservice LLC Wilmington, Delaware |
Standard | 2010-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N905WP | Bell 206B |
Rotorcraft | Centerline Holdings Camden, Delaware |
Standard | 2010-01-13 | ValidFAA registration status code V: Valid registration. All codes |
| N1578F | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Heliservice LLC Wilmington, Delaware |
Standard | 2009-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N911WF | Enstrom Helicopter Corp 480 |
Rotorcraft | Co-owned owner Arizona |
Standard | 2009-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N576KA | Bell 206B |
Rotorcraft | Northwest Helicopters I INC Olympia, Washington |
Standard | 2009-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N96AL | Siai-Marchetti SM 1019 |
Fixed-wing, single engine | Blue Sky Air Services LLC Wilmington, Delaware |
Experimental | 2009-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N55VK | Huizenga Mike BARONANZA |
Fixed-wing, single engine | Baronanza LLC Wilmington, Delaware |
Experimental | 2009-01-16 | ValidFAA registration status code V: Valid registration. All codes |
| N313MB | Bell 206B |
Rotorcraft | Sri Sky LLC Madison, Wisconsin |
Standard | 2009-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N619 | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Flite INC Shawnee, Oklahoma |
Standard | 2008-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N59AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2008-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N23WK | Bell 206B |
Rotorcraft | Chemair Helicopters INC Jefferson, Wisconsin |
Standard | 2008-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N125TA | Bell 206B |
Rotorcraft | Gm Leasing Company LLC Broussard, Louisiana |
Standard | 2008-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N410SC | Enstrom Helicopter Corp 480 |
Rotorcraft | Alfheim II LLC Menomonee Falls, Wisconsin |
Standard | 2008-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N59604 | Bell 206B |
Rotorcraft | East End Helicopter LLC Oak Ridge, North Carolina |
None on file | 2008-02-05 | ValidFAA registration status code V: Valid registration. All codes |
| N88PP | Bell 206B |
Rotorcraft | Go Heli LLC San Diego, California |
Standard | 2008-01-31 | ValidFAA registration status code V: Valid registration. All codes |
| N586SC | Bell 206B |
Rotorcraft | Interstate Helicopters INC Bethany, Oklahoma |
Standard | 2007-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N496CH | Bell 206B-III |
Rotorcraft | Coastal Helicopters INC Juneau, Alaska |
Standard | 2007-12-04 | ValidFAA registration status code V: Valid registration. All codes |
| N9953K | Bell 206B |
Rotorcraft | Coastal Helicopters INC Panama City, Florida |
Standard | 2007-12-04 | ValidFAA registration status code V: Valid registration. All codes |
| N316SP | Bell Helicopter Textron 206L-1 |
Rotorcraft | San Juan Aviation LLC Wilmington, Delaware |
Standard | 2007-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9762C | Hiller UH-12E |
Rotorcraft | Fort Wolters Helicopters Mineral Wells, Texas |
Restricted | 2007-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N434FH | Fairchild Hiller FH-1100 |
Rotorcraft | Metro Service Air INC Fairbanks, Alaska |
Standard | 2007-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N999JH | Bell 206B |
Rotorcraft | Coastal Equipment INC Wellington, Florida |
Standard | 2007-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N407UT | Bell 407 |
Rotorcraft | Med Trans CORP Denton, Texas |
Standard | 2007-05-16 | ValidFAA registration status code V: Valid registration. All codes |
| N11082 | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Vertical CORP Kalispell, Montana |
Standard | 2007-01-11 | ValidFAA registration status code V: Valid registration. All codes |
| N59479 | Bell 206B |
Rotorcraft | Summit Helicopters INC Salem, Virginia |
Experimental | 2006-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N88TA | Bell 206B |
Rotorcraft | Northwest Helicopters I INC Olympia, Washington |
Standard | 2006-11-08 | ValidFAA registration status code V: Valid registration. All codes |
| N76MQ | Bell 206B |
Rotorcraft | Ridge Helicopter LLC Wilmington, Delaware |
Standard | 2006-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N258AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2006-02-01 | ValidFAA registration status code V: Valid registration. All codes |
| N21MR | Bell 206B |
Rotorcraft | Individual owner Texas |
Standard | 2005-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N295CA | Bell 206B |
Rotorcraft | Chem-Air LLC Shreveport, Louisiana |
Multiple | 2005-11-09 | ValidFAA registration status code V: Valid registration. All codes |
| N101AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N103AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N108AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC Ofallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N130AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N133AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N24AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N275AE | Bell 206L-3 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N27AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N296AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N32AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N43AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N54AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N68AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N89AE | Bell Helicopter Textron 206L-1 |
Rotorcraft | Air Evac Ems INC O Fallon, Missouri |
Standard | 2005-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N58M | Bell 206B |
Rotorcraft | Industrial Power Services CORP Ware, Massachusetts |
Standard | 2005-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5QP | Bell 206B |
Rotorcraft | Helicopters INC Cahokia, Illinois |
Standard | 2005-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N4067G | Bell 206A |
Rotorcraft | Diamond Helicopters LLC Los Angeles, California |
Standard | 2005-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N352MC | Bell 206B |
Rotorcraft | Citrus County Mosquito Control District Lecanto, Florida |
Standard | 2005-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N50178 | Bell 206B |
Rotorcraft | Analar CORP Princeton, New Jersey |
Standard | 2005-06-07 | ValidFAA registration status code V: Valid registration. All codes |
| N16929 | Bell 206B |
Rotorcraft | Individual owner Texas |
Standard | 2005-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N9HA | Hughes 369HS |
Rotorcraft | Individual owner Pennsylvania |
Standard | 2005-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N411NC | Bell 206B |
Rotorcraft | Columbus Helicopters LLC Columbus, Indiana |
Standard | 2004-12-28 | ValidFAA registration status code V: Valid registration. All codes |
| N501EF | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Airwest Helicopters INC Redlands, California |
Standard | 2004-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N480MT | Enstrom Helicopter Corp 480 |
Rotorcraft | Cline Air Services LLC Ellensburg, Washington |
Multiple | 2004-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N69F | Bell 407 |
Rotorcraft | Helicopters INC Cahokia, Illinois |
Standard | 2004-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N3324F | Hiller UH-12E |
Rotorcraft | Summit Sales & Leasing INC Salem, Virginia |
Restricted | 2004-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N102SH | Bell 47G-4A |
Rotorcraft | Scotts Helicopter Services INC Le Sueur, Minnesota |
Standard | 2003-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N206TR | Bell 206B |
Rotorcraft | Zma LLC North Little Rock, Arkansas |
Standard | 2002-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N996MC | Bell 206B |
Rotorcraft | T C B Properties LTD Wilmington, Delaware |
Standard | 2002-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8617F | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | United States Department of Agriculture Cedar City, Utah |
Standard | 2002-06-07 | ValidFAA registration status code V: Valid registration. All codes |
| N716AM | Agusta Spa A109A |
Rotorcraft | Niihau Helicopters INC Makaweli, Hawaii |
Standard | 2001-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N105HH | Hiller UH-12D |
Rotorcraft | Haddock Flying Service INC Salters, South Carolina |
Experimental | 2001-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N12SP | Bell 430 |
Rotorcraft | New York State Police Albany, New York |
Experimental | 2001-01-25 | ValidFAA registration status code V: Valid registration. All codes |
| N20SP | Bell 430 |
Rotorcraft | New York State Police Albany, New York |
Standard | 2001-01-25 | ValidFAA registration status code V: Valid registration. All codes |
| N104HH | Hiller UH-12E |
Rotorcraft | Haddock Flying Service INC Salters, South Carolina |
Multiple | 2001-01-12 | ValidFAA registration status code V: Valid registration. All codes |
| N6252F | Hughes 369A (OH-6A) |
Rotorcraft | Individual owner Minnesota |
Standard | 2000-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N22NM | Government Aircraft Factories N22B |
Fixed-wing, multi-engine | Calypso LLC Palm Beach Gardens, Florida |
Standard | 2000-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N90AL | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Cherry Helicopters INC La Jolla, California |
Standard | 2000-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N407KH | Bell 407 |
Rotorcraft | Kalispell Regional Medical Center Kalispell, Montana |
Standard | 2000-03-28 | ValidFAA registration status code V: Valid registration. All codes |
| N5841Z | Md Helicopters Inc 369FF |
Rotorcraft | Puerto Rico Electric Power Authority San Juan, Puerto Rico |
Standard | 1999-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N37ME | Bell 407 |
Rotorcraft | Mountain-Elkhorn INC Lexington, Kentucky |
Standard | 1999-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N841YT | Bell 206B |
Rotorcraft | True Drilling LLC Casper, Wyoming |
Standard | 1999-04-21 | ValidFAA registration status code V: Valid registration. All codes |
| N5QV | Bell 206B |
Rotorcraft | Helicopters INC Cahokia, Illinois |
Standard | 1999-03-24 | ValidFAA registration status code V: Valid registration. All codes |
| N5010K | Bell 206B |
Rotorcraft | Hayward Enterprises INC High Point, North Carolina |
Standard | 1998-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N205CP | Bell 206B |
Rotorcraft | Southern Helicopters INC Sunshine, Louisiana |
Standard | 1998-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N9146F | Hughes 369HS |
Rotorcraft | Individual owner Indiana |
Standard | 1998-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N9BQ | Bell 206-L4 |
Rotorcraft | Helicopters INC Cahokia, Illinois |
Standard | 1997-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N407CC | Bell 407 |
Rotorcraft | County of Contra Costa Martinez, California |
Standard | 1997-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6032E | Hiller UH-12E |
Rotorcraft | Summit Helicopters INC Salem, Virginia |
Standard | 1997-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N142MA | Bell 407 |
Rotorcraft | Minuteman Aviation INC Missoula, Montana |
Standard | 1997-03-26 | ValidFAA registration status code V: Valid registration. All codes |
| N772AL | Bell 407 |
Rotorcraft | Air Methods LLC Greenwood Village, Colorado |
Standard | 1996-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N12BF | Piper AEROSTAR 601P |
Fixed-wing, multi-engine | Individual owner Nevada |
Experimental | 1996-05-21 | ValidFAA registration status code V: Valid registration. All codes |
| N501HV | Bell 206B |
Rotorcraft | Helivision LLC Concord, North Carolina |
Standard | 1996-02-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5005N | Bell 206B |
Rotorcraft | Aircoastal Helicopters INC Lantana, Florida |
Standard | 1995-11-28 | ValidFAA registration status code V: Valid registration. All codes |
| N92PH | Bell 206B |
Rotorcraft | Provine Helicopter Service INC Greenwood, Mississippi |
Standard | 1995-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N1106Z | Hughes Helicopters Inc HUGHES 369D |
Rotorcraft | Individual owner Alaska |
Standard | 1995-02-15 | 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.