G-ONEE
Rainwater reached electrical equipment in a cargo 747, disabling critical systems before an icing encounter corrupted every airspeed indicator.
Incident date:
LEVEL 3 Final report
Causes
Unreliable airspeed in airline accidents
Official investigators identified unreliable airspeed in 2 of the incidents we cover, from 2009 to 2024. Each account explains how it arose in that case. A shared topic does not mean the same cause.
Last updated
| Date | Flight | Aircraft | Location | Fatalities | Report status |
|---|---|---|---|---|---|
| 8 February 2024 | G-ONEE | Boeing 747-433 freighter | After departure from Heathrow; unreliable airspeed during descent toward Schiphol | No injuries reported | LEVEL 3 Final report |
| 1 June 2009 | Air France Flight 447 | Airbus A330-203 | Atlantic Ocean, international waters near TASIL | 228 fatalities; no survivors | LEVEL 3 Final report |
Air France Flight 447
An airspeed inconsistency became a loss of control that the crew never recovered from.
Incident date:
LEVEL 3 Final report