Bell 412 Cross Tube Failure Case Study Earlier this year the German accident investigation agency, the BFU, published their report into Helicopter Emergency Medical Service (HEMS) Bell 412HP that suffered a rear cross tube failure during start up at a hospital in Berlin on 6 September 2010. The helicopter was fitted with ‘high’ skids manufactured by Aeronautical Accessories Inc […]
Bell 412 Cross Tube Failure Case Study Read Post »
During night winch training a German HEMS BK117 suffered a fatal CFIT in the Baltic, highlighting readiness, equipment, procedural and training issues.
Night Offshore Windfarm HEMS Winch Training CFIT (BK117C1 D-HDRJ) Read Post »
UK To Buy “Certifiable Predator B” Protector The UK MOD has announced in a low key contracts notice that they intend to meet the PROTECTOR Unmanned Aerial System requirement to replace the RAF Reaper MQ-9A fleet, through a £415 million Government-Government Foreign Military Sales (FMS) contract with the US Department of Defence (US DoD). UPDATE 27 April 2016: This
UK To Buy “Certifiable Predator B” Protector Read Post »
Inadvertently leaving lights dimmed, a compromised NVG mod, no aural low fuel warning and negligible recent experience on type all feature in this NZ HEMS incident.
Dim, Negative Transfer Double Flameout Read Post »
C-130 Fireball Due to Modification Error A botched modification program unnecessarily changed the original design for a hydraulic system modification when a drawing was misread. A longer hydraulic hose was necessary after that change but an inappropriate design process short-cut meant the shorter hose remained listed as an alternative. The shorter hose was fitted to the modified fleet
C-130 Fireball Due to Modification Error Read Post »
US Police Helicopter Night CFIT: Is Your Journey Really Necessary? On 27 March 2014, at 0147 local time, ex-military Bell OH-58A, N497E, operated by, the Kern County Sheriff’s Office (KCSO) collided with terrain near Tehachapi, California. The three occupants were uninjured, although the helicopter was substantially damaged. The Accident and Investigation The US National Transportation Safety Board (NTSB)
US Police Helicopter Night CFIT: Is Your Journey Really Necessary? Read Post »
Marine Pilot Transfer Winching Accident (Brim Aviation AW109SP N361CR) During a night Marine Pilot Transfer (MPT) helicopter winching / hoist operation on 21 April 2014, the marine pilot being transferred, was injured. The marine pilot was being transferred from an outgoing ship to a container vessel, inbound to Astoria, Oregon, the 222 m, 27,437 gross ton MV Northern
Marine Pilot Transfer Winching Accident Read Post »
Forgotten Fasteners – Serious Incidents We examine three incidents where fasteners were forgotten during maintenance. It two cases these maintenance errors resulted in parts falling from the aircraft. In a third, a massive fuel leak occurred. Incident 1 – Twin Otter Mission Pod The Irish Air Accident Investigation Unit (AAIU) has recently reported on a
Forgotten Fasteners – Serious Incidents Read Post »
Heli-Expo 2016 Photo Report News from HAI Heli-Expo 2016 in Louisville, Kentucky (1-3 March 2016): Airbus Helicopters H215 Airbus Helicopters had on show the newly designated H215, formerly the AS332C1e (i.e. an enhanced, short fuselage Super Puma) and AS332L1e (the long fuselage version), to be built in Romania and aimed at aerial work, disaster relief and other
Heli-Expo 2016 Photo Report Read Post »
Pitot Punctures Floats in Icelandic SAR Ditching The ditching of Icelandic Coast Guard Aérospatiale SA365N Dauphin TF-SIF in the Atlantic off Reykjavik on 16 July 2007 highlights the importance of avoiding protuberances that can puncture emergency flotation systems, careful configuration management and establishing emergency drills. The Icelandic Transportation Safety Board (ITSB), the RNF, issued their report in
Pitot Punctures Floats in Icelandic SAR Ditching Read Post »
EASA and Ejection Seat Certification The European Aviation Safety Agency (EASA) have issued a series of Certification Review Items (CRIs) for proposed Special Conditions and Equivalent Levels of Safety for a Part 23 ejection seat equipped tandem two-seat trainer aircraft to be certified in the Normal and Acrobatic categories. The CRIs consist of: CRI 102 Special
EASA and Ejection Seat Certification Read Post »
US HEMS Accident Rates 2006-2015 The safety of US Helicopter Emergency Medical Service (HEMS) operations has been a topic we have discussed previously. With HeliExpo approaching, when 10 years of the International Helicopter Safety Team (IHST) will be marked and with US NTSB Board Member Robert Sumwalt just publishing a HEMS article in Professional Pilot,
US HEMS Accident Rates 2006-2015 Read Post »
Ignoring Corrosive Environment Brings Down B206 Helicopter An operator that ignored the Rolls-Royce M250-C20 Series Engine Operation and Maintenance Manual classification of their entire island operating location as a “severe corrosion operating environment” and failed to do the associated maintenance requirements suffered the loss of the their Bell 206B3. Emerald Pacific Airlines B206B3 B-31019 was hovering at
Ignoring Corrosive Environment Brings Down B206 Helicopter Read Post »
On the evening of 27 Jan 1986 a group were preparing for what we now know as one of the most infamous telecons in history. We look at lessons for all complex, high hazard industries.
NASA Challenger Launch Decision Read Post »
HEMS S-76C Night Approach Loss of Control – In-flight (LOC-I) Incident A Helicopter Emergency Medical Service (HEMS) Sikorsky S-76C+ C-GHHJ operated by Helijet on behalf of the BC Ambulance Service was on a VFR approach to the coastal Tofino/Long Beach Airport (CYAZ), British Columbia, Canada at 02:39 Local Time on the dark, moonless night of 15 November 2015. It suffered a Loss of Control
HEMS S-76C+ Night Approach LOC-I Incident Read Post »
Aerossurance: Our Top 20 Articles of 2015 As we start the new year we look back on the 20 articles that proved most popular with our readers in 2015. In reverse order: Number 20: Building St Helena Airport – An Industrial Scale ‘Grand Design’ This started with the building of the first airport on the volcanic
Our Top 20 Articles of 2015 Read Post »
Fatal Arctic Bo105 CFIT gives lessons on low level ops, compliance with mx data, cold water survivability, alerting, data recorders and regulatory oversight.
Canadian Coast Guard Helicopter Accident: CFIT, Survivability and More Read Post »
AC-130J Prototype Written-Off After Flight Test LOC-I Overstress The prototype US Air Force (USAF) AC-130J Ghostrider, 09-5710, has been declared a total loss after the airframe was “severely overstressed” after a Loss of Control – Inflight (LOC-I) during a flight test from Eglin AFB, Florida on 21 April 2015. Loss of the aircraft is estimated at $115.6 million. The Occurrence The
AC-130J Prototype Written-Off After Flight Test LOC-I Overstress Read Post »
AAIB: The helicopter was operated for a “sustained period” with the fuel transfer pumps off despite low fuel warnings being triggered and acknowledged.
AAIB Report on Glasgow Police EC135T2+ Clutha Helicopter Accident Read Post »
French Skyscraper HESLO: Helicopter Underslung Load A stunning video, from Bouygues Construction, shows the construction of the the tower on top of the €124 million Incity building in Lyon, the third highest in France. The last two components of the tower were lifted into place by an Airbus Helicopters AS332C helicopter on Sunday 21 June 2015 as a Helicopter External Sling Load Operation (HESLO). The spire,
French Skyscraper HESLO: Helicopter Underslung Load Read Post »
HTAWS Technology: Friend or Foe? Technology has great potential to reduce aviation risk. The European Helicopter Safety Team (EHEST) issued a study in October 2014 on the safety value of technology. Terrain Avoidance and Warning Systems (TAWS) have proved highly effective at fixed wing Approach and Landing Accident Reduction (ALAR). On 20 February 2014, the Federal Aviation
HTAWS Technology: Friend or Foe? Read Post »
Mid Air Collision Typhoon & Learjet 35 During ‘Renegade’ air interception training a civilian Learjet 35, D-CGFI, collided with a Luftwaffe Eurofighter Typhoon. The German Federal Bureau of Aircraft Accidents Investigation (BFU) have issued their final report and we attended an excellent briefing by the BFU at the ISASI 2015 conference. In Germany, as in the UK, air
Mid Air Collision Typhoon & Learjet 35 Read Post »
A military accident investigation has paradoxically determined that a $62.4mn fire was due to a maintenance error but that no human factors were involved.
USAF RC-135V Rivet Joint Oxygen Fire Read Post »
What the HEC?! – Human External Cargo Winching (or hoisting), used for Search & Rescue (SAR) or for personnel transfer to and from otherwise difficult to access locations, is the most widely known form of what is known as Human External Cargo. Some operators however transfer personnel by harnesses on long-lines. Here Southern California Edison
What the HEC?! – Human External Cargo Read Post »
Crashworthiness and a Fiery Frisco US HEMS Accident (Airbus Helicopters AS350B3e, N390LG of Air Methods) Shortly after take-off from a hospital in Frisco, Colorado, on 2 July 2015, Airbus Helicopters AS350B3e helicopter, N390LG, operated by Air Methods as ‘Flight for Life’, crashed in a parking lot 120m away. This was a daytime, Visual Meteorological Condition (VMC), Part 135
Crashworthiness and a Fiery Frisco US HEMS Accident Read Post »
