Improve Helicopter pilots’ awareness of the risks of the vortex ring state as well as associated corrective actions
Implemented
Aviation L
Accident
11.8.2011
B4/2009L/S2
Suosituksen perustelu
Tactical flight operations are often conducted in nonstandard situations and de-manding conditions. For example, landings are often made in unfamiliar sites. The risk for factors resulting in a vortex ring state increases.
Recommendation
The investigation commission recommends that the Air Patrol Squadron improve their pilots’ awareness of the .
Toimenpide-ehdotukset
Tactical flight operations are often conducted in nonstandard situations and de-manding conditions. For example, landings are often made in unfamiliar sites. The risk for factors resulting in a vortex ring state increases.
Investigation report
B4/2009L Hard landing for helicopter in Porvoo on 7 May 2009