
AgustaWestland Philadelphia hosts a FAA-certified Part 21 production line for the AW139 intermediate twin-engine model.
The company broke ground on the 110,000-ft2 / 10,200 m2 facility in November 2005, and in December 2006 the first AW139 assembled in Philadelphia was delivered to its customer. More than 500 were delivered by end 2018.
Since 2019, Leonardo builds the US Air Force MH-139A Grey Wolf baseline aircraft in Philadelphia, which is then completed by Boeing.
As of early 2026, Leonardo is also exploring an AW139 Mk.2 evolution to maintain the model's market leadership.
c/n 41001-41023 : Standard version
c/n 41201- : Long nose for more avionics
c/n 41501- : 7 tonne MTOW version
Manufacturer test serials listed here.
The company broke ground on the 110,000-ft2 / 10,200 m2 facility in November 2005, and in December 2006 the first AW139 assembled in Philadelphia was delivered to its customer. More than 500 were delivered by end 2018.
Since 2019, Leonardo builds the US Air Force MH-139A Grey Wolf baseline aircraft in Philadelphia, which is then completed by Boeing.
As of early 2026, Leonardo is also exploring an AW139 Mk.2 evolution to maintain the model's market leadership.
c/n 41001-41023 : Standard version
c/n 41201- : Long nose for more avionics
c/n 41501- : 7 tonne MTOW version
Manufacturer test serials listed here.
News |

Second CAE AW139 Simulator at Training Academy in Philadelphia
13-Mar-26 - The Helicopter Training Academy in Philadelphia will add a second AW139 helicopter simulator operated by Rotorsim, the joint venture equally owned by Leonardo and CAE. #AW139
NNSA Gets New AW139 Helicopters For Radiological Security
03-Jul-24 - The U.S. National Nuclear Security Administration (NNSA), part of the Department of Energy, received two new Leonardo AW139 helicopters to replace their Bell 412s that have been in service nearly 30 years in the radiological survey mission #nuclearSecurity
PHI MRO Appointed as Leonardo AW139 Service Center
12-Jun-24 - PHI MRO Services, the maintenance, repair, and overhaul center of the PHI Group, has been appointed as a Leonardo Service Center for the AW139 helicopter for U.S. operators #AW139
Leonardo Special Component Plan for PHI AW139s
10-Mar-23 - Leonardo awarded long-term Special Component Plan (SCP) contract for PHI AW139 helicopter fleet in OEM-level Powered-By-The-Hour (PBH) agreement #parts| 01-Jul-22 | Bristow Sign Long-Term Support for AW139 #maintenance |
| 15-Mar-22 | AW139 Helicopters for US Department of Energy #DOE |
| 04-Feb-21 | Summit Aviation Adds AW139 to Services Portfolio #AW139 |
| 14-Oct-20 | Miami-Dade Firefighters First AW139 #firefighting |
| 28-Jan-20 | Leonardo Philadelphia delivers 300th AW139 Heli-Expo 2020 |
| 02-Dec-19 | Four AW139 for Miami-Dade Firefighters #MiamiDade |
| 21-Jun-19 | 200,000 Flight Hours for ERA’ AW139 Fleet Paris Air Show 2019 |
| 25-Sep-18 | USAF Selects MH-139 to Replace UH-1N Fleet #MH139 |
| 25-Jul-17 | Mecaer Delivers VIP AW139 |
| 07-Mar-17 | VIP AW139 and AW169 in the Americas Heli-Expo 2017 |
| 02-Mar-17 | Boeing Proposes AW139 to Replace USAF UH-1N |
| 19-Sep-14 | AgustaWestland Philadelphia Delivers 200th AW139 |
| 05-Aug-14 | Tenth AW139 to the Maryland State Police |
| 11-Jun-10 | Ornge Takes Delivery of First AW139 |
| 29-Nov-05 | AgustaWestland Breaks Ground On New Production Facility In Philadelphia |
