In 2018, total General Aviation flight hours were 25.5 million (25,500,000). Piston-engine flight hours were over 15 million hours or 59% of the total GA flight hours.
PricewaterhouseCoopers was engaged by the general aviation industry trade associations to help quantify the contribution of GA to the United States economy. PWC defined General Aviation as the manufacture and operation of any type of aircraft issued an airworthiness certificate by the FAA, excluding military operations and scheduled commercial airlines.
Table 1. Hours by Aircraft Type
| Description | Hours | Percent |
| Single-Engine Piston | 12,092,000 | 47% |
| Twin-Engine Piston | 1,694,000 | 7% |
| Turboprop | 2,736,000 | 11% |
| Jet-Powered | 4,592,000 | 18% |
| Helicopters | 2,922,000 | 11% |
| Experimental | 1,339,000 | 5% |
| Other | 131,000 | 1% |
| Total | 25,506,000 | 100% |
Copyright 2020 wikiWings LLC, All rights reserved
Connecting Aviators® and related marks and logos are property of wikiWings®