The Lemon Index

Planes · Piper J-3 Cub

Piper J-3 Cub. Advanced data.

The raw numbers behind the page, in one place.

Accidents136NTSB
Fatal1612% of accidents
Deaths22NTSB
Destroyed1%of aircraft
Mechanical22%of accidents

Accidents by year

YearAccidents
200811
20097
201014
20119
20126
20135
20149
20155
20161
201710
20186
20199
20205
202112
20228
20237
20248
20254

What happened

What happenedShare of accidents
Loss of control on ground21%
Loss of control in flight12%
Loss of engine power (partial)5%
Loss of engine power (total)4%
Nose over/nose down4%
Aerodynamic stall/spin3%

Phase of flight

Phase of flightShare of accidents
Landing25%
Initial climb15%
Approach15%
Takeoff14%
Enroute10%

Mechanical causes

PartShare
engine (reciprocating)8%
landing gear system3%
fuel system2%
ignition system2%

Updated