Schiebel Camcopter S-100 Water Impact
French Navy S-100 accident: A previously identified failure mode occured prior to the completion of a roll-out of a product improvement.
Schiebel Camcopter S-100 Water Impact Read Post »
A Maintenance Error Preceded a Fiery Fatal AS350B3 Accident
A high base maintenance workload and disruptions resulted in a forced landing. A boundary fence post punctured the fuel tank and a post crash fire followed.
A Maintenance Error Preceded a Fiery Fatal AS350B3 Accident Read Post »
HESLO Long Line SNAFU
Coiling a longline while rotors running caught out this AS350’s pilot.
HESLO Long Line SNAFU Read Post »
AW189 Loss of Control – Ground, Malaysia 2023
While manoeuvring on the ground prior to a hover for post maintenance RTB this AW189 rolled over.
AW189 Loss of Control – Ground, Malaysia 2023 Read Post »
Bo105 Loss of Control in DVE & Water Impact
LOC-I in worsening weather & water impact of a Coast Guard helicopter supporting marine nav aids. Survivability issues mean both occupants perished.
Bo105 Loss of Control in DVE & Water Impact Read Post »
AS350 HESLO Fuel Incident (Superabsorbent Polymer Contamination)
Forced landing – fuel contaminated with SAP (superabsorbent polymer). Unsuitable filters & water separators. Inadequate fuel QC & training.
AS350 HESLO Fuel Incident (Superabsorbent Polymer Contamination) Read Post »
Firefighting K-Max Water Impact After A Close Pass by a S-64 Skycrane
A loss of separation after aircraft were redistributed due to smoke, results in and airprox and downwash affecting the smaller helicopter.
Firefighting K-Max Water Impact After A Close Pass by a S-64 Skycrane Read Post »
A Screw in the Wrong Place…A Loss of Hoist Cable
An error of just a few millimetres resulted in a Breeze-Eastern hoist cable being dropped by an AW139…
A Screw in the Wrong Place…A Loss of Hoist Cable Read Post »
Flat Light B206L4 Alaskan CFIT & 11 Hour Emergency Response Delay
A shocking flight following failure after a flat light North Slope CFIT/Water Impact.
Flat Light B206L4 Alaskan CFIT & 11 Hour Emergency Response Delay Read Post »
Air Methods Helicopter Air Ambulance Night Take Off Tree Strike
After training at a Fire Department a BK117 air ambulance crashes after contacting a tree behind it during take off from a confined site.
Air Methods Helicopter Air Ambulance Night Take Off Tree Strike Read Post »
AW139 Loss of Control Climbing Away from SAR Exercise
Spatial disorientation, intermittent collective FTR use & impaired SA culminated in descending to <150 ft while trying to climb away.
AW139 Loss of Control Climbing Away from SAR Exercise Read Post »
B214ST Tail Rotor Drive Shaft Coupling Misassembly
A maintenance error resulted in a loss of TR drive on a firefighting B214ST. We look at three airworthiness related incidents with the same airframe in UKCS offshore operations.
B214ST Tail Rotor Drive Shaft Coupling Misassembly Read Post »
AW109SP Helicopter Air Ambulance Mountain Landing Accident Utah
We examine a night HEMS call out in Utah, changes of plan and a heavy landing at >10,000 ft.
AW109SP Helicopter Air Ambulance Mountain Landing Accident Utah Read Post »
T-Bolt Trouble: Unrecorded Maintenance on US HEMS BK117C2/H145 and Loss of TR Pitch Control
Components disconnected without paperwork being raised, temporarily refitted finger tight and the absence of lockwire being missed….and not for the first time.
Three Fatalities When US Air Ambulance Helicopter Struck Goose at Night
Fatal night encounter with a flock of geese. Bird strike probability predicted as low.
Three Fatalities When US Air Ambulance Helicopter Struck Goose at Night Read Post »
EC135P2+ Air Ambulance Fatal Accident Mississippi 10 March 2025
NTSB Preliminary Report issued 4 April 2025. Last radio call was “we’ve got a major problem…controls are giving us a lot of trouble, coming in fast.”
EC135P2+ Air Ambulance Fatal Accident Mississippi 10 March 2025 Read Post »
AS365 Crewman Dragged from Boat During SAR Training
A SAR crewman slipped on the deck of a vessel and due to miscommunication was pulled overboard by their helicopter and dragged through the sea.
AS365 Crewman Dragged from Boat During SAR Training Read Post »
Firefighting Bucket Snags Trees During Autorotation
After an engine failure due to a latent production defect, the firefighting bucket snags in trees and the helicopter crashed into woodland. TSB look at why the bucket may not have been jettisoned.
Firefighting Bucket Snags Trees During Autorotation Read Post »
Two Rescuers Fell When Hoist Cable Damaged After a Loss of Hover Reference
Loss of hover reference during a medevac from a ship leads to hoist cable contact, catastrophic damage and two serious injuries.
Two Rescuers Fell When Hoist Cable Damaged After a Loss of Hover Reference Read Post »
Korean SAR S-76B Mountain Rescue Accident 2020
During a mountain rescue, hoisting a casualty aboard resulted in a catastrophic aircraft loss and two fatalities.
Korean SAR S-76B Mountain Rescue Accident 2020 Read Post »
Startled Shutdown: Fatal USAF E-11A Global Express PSM+ICR Accident
A fan blade off event leads to an engine automatic shutdown. The crew shut down the serviceable engine and choose to divert 200 NM further than necessary leading to a forced landing.
Startled Shutdown: Fatal USAF E-11A Global Express PSM+ICR Accident Read Post »
An Air Traffic Control Assisted H-60 Collision
Brown Field ATC cleared two H-60s to land on a runway underrun despite them being over the paving weight limit, then asked one to go around and it collided with the other. Everyone survived.
An Air Traffic Control Assisted H-60 Collision Read Post »
Crew Confusion in Firefighting 737 Terrain Impact
A lack of a common understanding on minimum drop height was a factor in this 737 striking rising ground after a fire bombing run in Australia
Crew Confusion in Firefighting 737 Terrain Impact Read Post »
Fukushima Police AW139 Loss of Control Accident: JTSB Final Report
LOC-I after Force Trim Release pressed while encountering a downdraft. TRDS had been severed by Main Rotor. All 7 POB survive.
Fukushima Police AW139 Loss of Control Accident: JTSB Final Report Read Post »
B407 Worn Throttle Detent Power Loss Accident
A latent defect is found to have occurred on other aircraft. Could throttle detent inspections be improved?
B407 Worn Throttle Detent Power Loss Accident Read Post »