Lycoming LTS101 explained

The Lycoming (now Honeywell) LTS101 is a turboshaft engine family ranging from 650 to 850 shaft horsepower, used in a number of popular helicopters,^[1] and, as the LTP101 turboprop, light aircraft. Both models carry the US military designation T702. The engine was originally designed at the Lycoming Turbine Engine Division in Stratford, Connecticut, but is now produced by Honeywell Aerospace.

Variants

LTP101-600^[2]

LTP101-700^[3]

LTS101-600A-2

LTS101-600A-3

LTS101-600A-3A

LTS101-650B-1

LTS101-650B-1A

LTS101-650C-2

LTS101-650C-3

LTS101-650C-3A

LTS101-700D-2

LTS101-750A-1

LTS101-750B-2

LTS101-750C-1

LTS101-850B-2

T702

Applications

• Aérospatiale HH-65A/B Dolphin
• Air Tractor AT-302
• Bell 222
• Cessna 421C Golden Eagle (turbine conversion)
• EcoJet concept car built under the direction of General Motors
• Eurocopter AS350 AStar
• MBB/Kawasaki BK 117
• PAC Cresco
• Piaggio P166
• High Survivability Test Vehicle (Light) (AAI proposal)

References

• Book: Gunston, Bill . World Encyclopedia of Aero Engines . 1986 . Patrick Stephens . Wellingborough . 96 .

External links

• Honeywell LTS101 page

Notes and References

1. Web site: Honeywell LTS101 . 2015-11-24 . https://web.archive.org/web/20160304095420/https://aerospace.honeywell.com/products/engines/lts101 . 2016-03-04 . dead .
2. Web site: Textron Lycoming Turbine Engine Encyclopedia.com . 2026-02-28 . www.encyclopedia.com.
3. Web site: Honeywell Achieves Longer Inspection Interval And Cost Reductions For Lts101 Operators . 2026-02-28 . aerospace.honeywell.com . en-US.