A loose fuel tank cover on a motor yacht was blown free by a landing helicopter’s rotor downwash, struck the rotor, resulting in a water impact.
FOD and an AS350B3 Accident Landing on a Yacht in Bergen Read Post »
Bell Helicopter issues an ASB but it takes 6 months for an ‘Emergency’ AD and compliance by the operator. However, critical damage was missed.
Bell 429 TR Pitch Change Link Bearing Failure Read Post »
Pressure (human factors but not hydraulic!), changes of plan, distractions and skipped checklists all feature in this ground collision.
Ground Collision Under Pressure: Challenger vs ATV: 1-0 Read Post »
An AW139 helicopter made a precautionary ditching off Abu Dhabi on 29 April 2017 after loss of drive to the MGB cooling fan.
AW139 A6-AWN Ditching off UAE, 29 April 2017 Read Post »
In light of the LN-OJF investigation (and the earlier G-REDL accident) we look at this Critical Part in more detail.
Super Puma Second Stage Planet Gear Background Read Post »
A low time on type crew, an out of limits tailwind and a demanding airport all conspire in this fatal Challenger CL-600 accident.
Unstabilised Approach Accident at Aspen Read Post »
EASA is tightening the regulation of safety-critical aeronautical navigation databases from Jan 2019 (topically after concerns were raised by the Irish AAIU after an S-92A accident).
EASA Decisions on Management of Aeronautical Databases / Part-DAT Read Post »
The undetected failure of a TR pitch change bearing resulted in a horrific winching accident in Taiwan, in which two people died. We delve into the ASC’s final report (only published in full in Chinese).
AS365N3 Tail Rotor Pitch Control Loss During Hoisting Read Post »
During a post-maintenance check flight the main rotor separated from an R44 after a maintenance assembly error.
Insecure Pitch Link Fatal R44 Accident Read Post »
We look at three significant incidents that led to the conclusion that the JT15D-5 on the Beechjet 400A is uniquely vulnerable to bird strikes.
NTSB Recommendation on JT15D Failure to Meet Certification Bird Strike Requirements Read Post »
86 flying hours before this accident, on a different continent, a component was omitted during maintenance. We look at the airworthiness and flight ops safety lessons.
Cessna 208 Forced Landing: Engine Failure Due To Re-Assembly Error Read Post »
We look at the background to this guilty plea and the associated maintenance related accident.
Director of Maintenance Pleads Guilty To Obstructing an NTSB Air Accident Investigation Read Post »
Continuing an unstable approach after a loss of visual reference led to a Jazz Dash 8 contacting the ground 450ft short of the runway, causing significant damage.
Unstable Approach Dash 8 Touches Down 450ft Before Threshold Read Post »
A delay waiting for passengers from SGS to complete their work on a tanker in Galveston Bay meant this Bell 206B3 attempted a night flight back to shore.
Deadly Delay: GOM B206B3 Helicopter Night Accident 6 Feb 2017 Read Post »
We focus on the maintenance HF lessons from a serious incident involving smoke in the cabin of an A320 on take off.
Smoke in Cabin: Anatomy of a Wash Rig Error Read Post »
Low familiarity with icing conditions and cognitive bias were factors in a serious incident for an ATR72 departing from Manchester last winter say AAIB.
ATR72 Cognitive Bias Leads to Control Problems Read Post »
An attentive flying control rigging check finds a shocking piece of FOD that highlights the importance (yet again) of effective tool control.
Flying Control FOD: Screwdriver Found in C208 Controls Read Post »
An engine compressor failure while installing power line markers resulted in an unsurvivable impact and fire.
Fatal H500 / 369D Low Altitude Hover Power Loss: Power Line Maintenance Project Read Post »
A difference in understanding between pilot and loadmaster meant the surprise attachment of an external load, a sudden ‘jerk’ during take off and an emergency landing that damaged the helicopter.
Unexpected Load: AS350B3 USL / External Cargo Accident in Norway Read Post »
An ATSB report into an Australian RPAS/UAS LOC accident highlights the importance of HF in ground station design and of data entry verification.
Drone Goes Walkabout: Hemispherical Human Factors Hiccup Read Post »
Synthetic Vision Systems (SVS) are an increasingly common tool to enhance flight crew situational awareness. However the crew of a PC-12 were momentarily misled during a night-time medevac take-off by their SVS after a RADALT failure.
Confusion of Compelling, But Erroneous, PC-12 Synthetic Vision Display Read Post »
Investigators point to ‘overaggressive manoeuvre’ on take-off on a positioning flight back to base. Both occupants were seriously injured. The damaged helicopter span 50 times down heliport.
EC130B4 Loss of Control on Take-Off in Dubai Read Post »
On the anniversary of the ‘miracle on the Hudson’ we look at how a catastrophic double engine bird strike in North America had been predicted 8 years before, in 2001.
Power of Prediction: Foresight and Flocking Birds Read Post »
We examine a recent total loss of tail rotor control to an offshore helicopter in the North Sea and previous similar occurrences.
CHC Scotia Sikorsky S-92A Loss of Tail Rotor Control Events Read Post »
A pilot reported a restriction of cyclic movement on a Sikorsky S-92A. We look what was found.
S-92A Flying Control Restriction on Wiring Loom Read Post »
