The Lemon IndexMooney M20. Advanced data.
The raw numbers behind the page, in one place.
Accidents365NTSB
Fatal9727% of accidents
Deaths163NTSB
Destroyed10%of aircraft
Mechanical24%of accidents
Accidents by year
| Year | Accidents |
|---|---|
| 2008 | 26 |
| 2009 | 18 |
| 2010 | 16 |
| 2011 | 29 |
| 2012 | 31 |
| 2013 | 23 |
| 2014 | 19 |
| 2015 | 20 |
| 2016 | 18 |
| 2017 | 24 |
| 2018 | 18 |
| 2019 | 17 |
| 2020 | 18 |
| 2021 | 21 |
| 2022 | 21 |
| 2023 | 14 |
| 2024 | 18 |
| 2025 | 14 |
What happened
| What happened | Share of accidents |
|---|---|
| Loss of control in flight | 12% |
| Loss of engine power (total) | 11% |
| Loss of control on ground | 9% |
| Loss of engine power (partial) | 6% |
| Landing gear not configured | 4% |
| Aerodynamic stall/spin | 4% |
Phase of flight
| Phase of flight | Share of accidents |
|---|---|
| Landing | 26% |
| Enroute | 20% |
| Initial climb | 15% |
| Approach | 15% |
| Takeoff | 13% |
Mechanical causes
| Part | Share |
|---|---|
| landing gear system | 20% |
| engine (reciprocating) | 13% |
| fuel system | 8% |
| propeller system | 4% |
Updated