Song 120

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Song 120 Electro LW
Song 120 Approach.jpg
Type Civil trainer aircraft, Civil utility aircraft
Propulsion Propeller aircraft, Single-engine aircraft, Electric aircraft
Manufacturer Gramex s.r.o.
Author(s) Benedikt Wolf
--aircraft= song-120-lw
Status Beta
 FDM Stars-2.png
 Systems Stars-3.png
 Cockpit Stars-3.png
 Model Stars-3.png
 Website The website for the Song 120 Electro LW developments.
 Repository The development repository of the Song 120 Electro LW.
Download Download the Song 120 Electro LW aircraft package for the current stable release (2020.3).
License GPLv2+

The Gramex Song 120 Electro LW is a single-seater electric ultralight aircraft. Due to its foldable propeller, the Song can be used for gliding achieving a performance of about 1:20. The low empty weight of 120 kg means that it can be flown with only very low requirements in many countries.

Aircraft keys

Key Function
k Extend Spoilers
j Retract Spoilers
Shift+B Toggle Parking Brake

Performance and Limits [1]

Speed Limits

  • VNE: 144 km/h (Never exceed speed)
  • VA : 117 km/h (Design maneuvering speed)
  • VS0: 55 km/h (Stall speed)
  • VY: 77 km/h (Best climb speed)
  • Maximum crosswind: 15 km/h

Mass and Balance

  • MTOM: 235 kg (Max. takeoff mass)
  • Maximal pilot mass: 110 kg

Engine Limits

  • MTOP: 20 kW (Maximum Take-Off Power)
  • MCP: 17.5 kW (Maximum Continuous Power)

Gliding Performance

  • Best Gliding Speed: 72 km/h
  • Glide ratio: 1:20
  • Minimum Sink Speed: 1 m/s


External Links

  1. Flight Manual (german), p.11ff. and p.24