Vertical Aerospace

While the list shares some of the top names in common with comparable rankings from SMG Consulting and Aviation Week, there are also some notable differences.

Last week’s only gainer from the AAM Composite was additive-manufacturing services company Velo 3D.

The biggest gainer during the week ending Jan. 3 was additive-manufacturing company Velo 3D.

The Advanced Air Mobility Composite for publicly held AAM companies rallied by 10.6% during the week ending Jan. 27.

Certification, production and funding are key challenges for the eVTOL industry.

The Advanced Air Mobility Composite for publicly held AAM companies slipped slightly during the week ending Jan. 20.

Jetoptera has completed the sizing of a high-lift system for a high-speed VTOL.

The AAM Composite advanced by nearly 15% between Jan. 9 and Jan. 13.

Vertical Aerospace has completed initial tethered hover testing of a full-scale demonstrator for its VX4 electric vertical takeoff and landing air taxi.