FOD, likely introduced during fuel system maintenance, caused a power loss and necessitated a backyard forced landing.
Engine Maintenance Introduced FOD that Caused an EC120 Power Loss Read Post »
Helicopter external sling load ops continued as weather deteriorated with fatal consequences.
A Concrete Case of Commercial Pressure: Fatal Swiss HESLO Accident Read Post »
A missing flying control cotter pin was identified by the NTSB investigation into a fatal S-61N accident in Hawaii. Interview evidence raises SMS effectiveness concerns.
Missing Cotter Pin Causes Fatal S-61N Accident Read Post »
On 23 May 2023 PHI Bell 407 N451PH was damaged during new hire autorotation training at Abbeville, Louisiana. NTSB discuss ‘main rotor blowback’.
B407 Damaged During Autorotation Training Read Post »
After encountering turbulence a Loss of Control occurred when Force Trim Release (FTR) was activated.
SAR AW139 LOC-I During Positioning Flight Read Post »
An offshore medevac accident that highlights considering the changing risk of an individual flight, flight path management in degrading conditions and offshore survivability in a ‘regulatory void’.
BK117 Offshore Medevac CFIT & Survivability Issues Read Post »
The single pilot was head down as the sun set correcting tech log entries. The helicopter struck trees on a mountain top then force landed in woodland.
EC135 Air Ambulance CFIT when Pilot Distracted Correcting Tech Log Errors Read Post »
Would you have spotted the potential for hoist cable damage on this modified emergency service helicopter?
HH-60L Hoist Cable Damage Highlights Need for Cable Guards Read Post »
Inadequate consideration of loads during design resulted in a fractured mounting of a 15ft snorkel, which then struck the main rotor killing 4.
Swinging Snorkel Sikorsky Smash: Structural Stress Slip-up Read Post »
An underslung load strikes a tail boom and when jettisoned damages a tail rotor. But this case study really highlights how poor contracting practices drive up risk and how to avoid that.
Poor Contracting Practices and a Canadian Helicopter HESLO Accident Read Post »
Two Australian occurrences were helicopters have triggered bushfires.
Twisted Firestarters Read Post »
Interrupted during an engine rinse by an emergency call-out a panel was not properly closed and was lost in flight.
Managing Interruptions: HEMS Call-Out During Engine Rinse Read Post »
The longline wrapped around the tail rotor during a 3 minute flight to refuel.
HESLO AS350 Fatal Accident Positioning with an Unloaded Long Line Read Post »
Cockpit confusion: Curious case of a pilot deemed not to be qualified only after this accident.
Customs Training Loss of Control While Climbing Away from a Quick Stop Read Post »
Bird strike in cruise at 1,500 ft AGL at dusk.
Dusk Duck: Birdstrike During Air Ambulance Flight Read Post »
An offshore helicopter almost hit a vessel’s superstructure during an immediate departure when on the verge of a dynamic rollover. We look at the value of HMS repeater lights.
Urgent Exit Required: A Helideck Incident Read Post »
A desire for a PICUS to perform a landing to gain experience resulted in a sub-optimal approach direction being selected.
CHC S-92A Offshore Landing Obstacle Strike: CENIPA Report Read Post »
We look at why a HEMS helicopter suddenly started to move while on an elevated hospital helipad…
After Landing this HEMS Helicopter Suddenly Started to Slide Towards it’s Hangar… Read Post »
The NTSB Preliminary Report is issued on what was the second RLC accident in 2 weeks.
A helicopter contracted by Spanish customs hit the sea at night when descending to intercept smugglers. The sensor operator in the cabin died.
Blinded by Light, Spanish Customs AS365 Crashed During Night-time Hot Pursuit Read Post »
An accident while delivering underslung cargo to a ship provides lessons on rigging loads and organising ground parties.
HESLO EC135 LOC-I & Water Impact: Hook Confusion after Personnel Change Read Post »
Just days after being granted a SPA.HHO approval a CFIT occurred at night on the operator’s 6th training flight. A reminder that for a Management of Change, your SMS needs to actively manage risk.
Night Mountain Rescue Hoist Training Fatal CFIT Read Post »
An S-61N contracted by the DoD crashed after a loss of control due to a fatigue failure of a flying control system component.
S-61N Accident in Afghanistan: Investigators Focus on Auxiliary Servocylinder Read Post »
During a descent during night training crew workload was high, an inappropriate AFCS mode was inadvertently selected and the aircraft pulled up at less than 22ft after a call from the winch operator.
Automation Issues During Night SAR Training – Near CFIT Read Post »
TSB uncover a difference in interpreting certification requirements applied to retrofit composite blades resulting in an omitted test.
Main Rotor Blade Certification Anomaly in Fatal Canadian Accident Read Post »
