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 »
When a Crew Intentionally Left Their Aircraft Running Knowing it Would Damage Itself…
An unusual event, rapid innovation & collaboration and a good example why culpability decision aids can be a distraction.
When a Crew Intentionally Left Their Aircraft Running Knowing it Would Damage Itself… Read Post »
Cold Comfort Conference Call: USAF F-35A Alaska Accident
A $196.5 mn organisational accident: a conference call and a contaminated barrel.
Cold Comfort Conference Call: USAF F-35A Alaska Accident Read Post »
UK CAA HOFO ACAS Rulemaking 2025 & a 2004 Tornado / AS332L Airprox
UK CAA are proposing making ACAS II mandatory for offshore helicopters: we look back to the 2004 incident that prompted a demonstration that ACAS II was practical for helicopters.
UK CAA HOFO ACAS Rulemaking 2025 & a 2004 Tornado / AS332L Airprox 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 »
Deadly Delay: Catastrophic USAF CV-22B Osprey Gear Box Failure
We review the USAF AIB report, looking at the catastrophic gear box failure and decision making seemingly influence by low risk awareness and commitment to completing the flight.
Deadly Delay: Catastrophic USAF CV-22B Osprey Gear Box Failure Read Post »
The Loss of RAF F-35B ZM152: An Organisational Accident
An £81 mn fighter is downed by FOD, one of its own intake blanks.
This case study illustrates James Reason’s concept of Organisational Accidents and how just asking “who left the intake blank ?” misses the real reasons behind this accident.
The Loss of RAF F-35B ZM152: An Organisational Accident Read Post »
Dutch Maritime NH90 Caribbean Accident: Focus on the Survivability Issues
LOC-I on a low, slow downwind leg lead to a water impact. The front crew both became fatally trapped. Shortcomings in equipment and training were identified.
Dutch Maritime NH90 Caribbean Accident: Focus on the Survivability Issues Read Post »
French Cougar Crashed After Entering VRS When Coming into Hover
After a series of hoisting exercises the crew were doing a final exercise to simulate an rare electrical emergency. Unbeknown to them they had a tailwind as they came into the hover.
French Cougar Crashed After Entering VRS When Coming into Hover Read Post »
RCAF Chinook Loss of Control (LOC) Investigation
After touchdown the helicopter lifted into the hover due to a concern over sideways drift but became unstable. The forward rotors contacted the fuselage and the rear landing gear collapsed.
RCAF Chinook Loss of Control (LOC) Investigation Read Post »
SAR AW101 Roll-Over: Entry Into Service Involved “Persistently Elevated and Confusing Operational Risk”
Accident investigators say a SAR AW101 rolled over “during a period of persistently elevated and confusing operational risk” as the aircraft type was being introduced to military service in Norway.
Military SAR H225M Caracal Double Hoist Fatality Accident
BEA-E identify a range of possible factors for the jamming of a hoist and severing of the hoist cable during a military training exercise.
Military SAR H225M Caracal Double Hoist Fatality Accident Read Post »
A Second from Disaster: RNoAF C-130J Near CFIT
The investigation showed that the RNoAF should intensify its safety management, including on risk, competency and safety culture. It also identified a need for an independent and comprehensive supervisory body for military aviation in Norway.
A Second from Disaster: RNoAF C-130J Near CFIT Read Post »
USAF MQ-9A Reaper Lever Confusion: Human Factors
We look at a takeoff accident to a USAF UAS where the engine condition lever was retarded instead of the flaps being retracted.
USAF MQ-9A Reaper Lever Confusion: Human Factors Read Post »
Human Factors of a Mali Mid Air Collision
BEA-E deconstruct a helicopter Mid Air Collision (MAC) during combat operations in Mali and look at human factors that affected situational awareness as the Air Mission Commander wrestled with resolving a Rules of Engagement (ROE) dilemma.
Human Factors of a Mali Mid Air Collision Read Post »
RCAF Investigate Defect on Newly Delivered CH-148 Cyclone (S-92)
Terminal wire lugs T1, T2 & T3 were found unsecured. T1 was missing its securing nut, washer and lockwasher but was still contacting its terminal stud. T2 & T3 were found hand tight.
RCAF Investigate Defect on Newly Delivered CH-148 Cyclone (S-92) Read Post »
NH90 Caribbean Loss of Control – Inflight, Water Impact and Survivability Issues
LOC-I on a low, slow downwind leg. The survivors had not trained with the specific AEA in place. The front crew both became trapped.
NH90 Caribbean Loss of Control – Inflight, Water Impact and Survivability Issues Read Post »
Friendly Fire: Civilian Shot in the Head During USAF F-16 Training
We look how a defence contractor was killed during weapons training on a New Mexico range. We also critique the USAF AIB HFACS human factors analysis. A case of ‘What-You-Look-For-Is-What-You-Find’ (WYLFIWYF)?
Friendly Fire: Civilian Shot in the Head During USAF F-16 Training Read Post »
OH-58C Crash After MRB Fatigue Crack
This accident begs further questions about the FAA approach to ex-military helicopters and the adequacy of continued airworthiness activity of non-OEM TC Holders.
OH-58C Crash After MRB Fatigue Crack Read Post »
17 Year Old FOD and a TA-4K Ejection
NTSB say an extra seal, left in a fuel control unit during overhaul 17 years earlier, resulted in an engine flameout in Nevada of a contracted aggressor aircraft.
17 Year Old FOD and a TA-4K Ejection Read Post »
Freewheel Jerk on an SA330J Puma at Sea: Oil Analysis Opportunity
NTSB say oil analysis could have provided early detection of freewheel unit deterioration on a Puma operating on contract to the US Navy for VERTREP.
Freewheel Jerk on an SA330J Puma at Sea: Oil Analysis Opportunity Read Post »
Culture and CFIT in Côte d’Ivoire
French investigators point to wider cultural issues in an overseas military accident.
Culture and CFIT in Côte d’Ivoire Read Post »
Jest11 is Dead: Hawker Hunter Downed by F-35A Jet Wash
One of a pair of contractor’s Hunters is brought down during a military exercise with USS Theodore Roosevelt off California.
Jest11 is Dead: Hawker Hunter Downed by F-35A Jet Wash Read Post »
USAF T-6A Texan II Lost in Inverted Stall
Fixation and a failure to initiate a memory drill, coupled with unintended entry into IMC and spatial disorientation feature in this military training accident.
USAF T-6A Texan II Lost in Inverted Stall Read Post »