We look at a change in maintenance practices after this incident and prompt safety collaboration to inform fellow MROs.
CFM56 HPC Titanium Fire Due to VSV Maintenance Assembly Error Read Post »
The final report into a dramatic accident in Dubai featured automation and emergency response aspects.
Photos from HAI Heli-Expo 2020 in Anaheim, CA.
Heli-Expo 2020 Photo Report Read Post »
An accident to a police helicopter in the Caribbean resulted in a worldwide check for corrosion in flying control actuators.
EC135 Main Rotor Actuator Tie-Bar Failure Read Post »
Dimming the NVG compatible cockpit lighting for a flight at dusk meant the fuel transfer pump caution lights were invisible. The failure to turn these pumps on was only evident after flameout. We wrote of this problem 14 months earlier after a NZ HEMS accident.
A maintenance error results in severe flight control problems and damage that wrote off a German VVIP business jet.
Luftwaffe VVIP Global 5000 Written Off After Flying Control Assembly Error Read Post »
Damage to a harness by a rigid tie wrap was enough to eventually cause a nose landing gear jam, in a previously not foreseen failure mode.
Tight Cable Tie Nose Gear Jam Read Post »
The pilot made a safe run on landing. The TGB actuating rod had failed. An EASA AD followed.
AS350 Tail Rotor Control Incident, Grand Cayman Read Post »
In July 2019 the BEA reported on a series of propeller incidents that occurred due to a vibratory phenomena that was not uncovered in certification testing.
Severe Propeller Vibrations on ATR 72-212A: BEA Report Read Post »
So you thought the UH-1H was a Bell product? Not to the FAA. Small third party ‘TC Holders’ are responsible for assessing the airworthiness impact of usage changes for ageing ex-military helicopters.
Usage Related Ex-Military Helicopter Accident Read Post »
The MRB damage made this occurrence meet the criteria for an accident say NTSB. A design change followed to avoid a production process that introduced micro-pitting.
Tail Rotor Lightning Strip Damages AW139 Main Rotor Read Post »
Portuguese accident investigators say an incorrect aileron control cable system installation was not detected despite an FLT CTRL NO DISPATCH message and 11 days of troubleshooting or by pre-flight crew checks.
ERJ-190 Flying Control Rigging Error Read Post »
The stand-by battery wiring of a Garmin 1000 chaffed on the rudder cable, shorted and melted the flying control cable.
PA-34 Electrical Short Melted Rudder Cable Read Post »
In 1991 a minor modification, changing a surface treatment, triggered accelerated wear and a catastrophic propeller failure. The FAA conducted a Special Certification Review. A failsafe design and certification rule changes followed.
AAIB examine the human factors related to a number of flap / landing gear mis-selections.
Easyjet A320 Flap / Landing Gear Mis-selections Read Post »
Ambitious training, poorly integrated equipment with no policy on its use, u/s transponders and reduced radar coverage all feature in this airprox with two ASW helicopters.
Merlin Night Airprox: Systemic Issues Read Post »
A very low experience on type flight crew had been paired together. Surprisingly little comment is made by investigators of insufficient certification testing of the modified aircraft and the failure to act after 4 prior ‘near catastrophic’ stall events.
AAIB comment that new operators with little, or no, previous aviation experience are developing procedures for small un-certified UAS which presents a challenge to ensure safe operation of this expanding area of aviation.
Software Bug and High Winds Down Drone Read Post »
AAIB examine the human factors related to the mistaken selection of a parking brake instead of the speed brake that was the precursor to an ERJ145 runway excursion at Bristol.
HF of the Selection of Parking Brake Instead of Speed Brake During a Hectic Approach Read Post »
The crew were unable to control the aircraft in pitch due to errors during maintenance two evenings before. We look at some of the human performance influencing factors in this accident that killed 21.
Incorrectly Rigged B1900D Charlotte, NC, 8 January 2003: 21 Fatalities Read Post »
Fan flutter triggered a fan blade failure that was misdiagnosed. 47 died in the crash near the Leicestershire village of Kegworth.
British Midland Boeing 737-400 G-OBME Fatal Accident, Kegworth 8 January 1989 Read Post »
An AS350B2 impacted terrain after continuing visual flight into deteriorating IMC. The helicopter was configured with boxes to carry huskies, but their weight was not accounted for, so the aircraft was operating overweight.
Low Viz Helicopter CFIT Accident, Alaska Read Post »
On 26 August 2003 a B1900D crashed on take off after errors during flying control maintenance. We look at the maintenance human factors safety lessons from this and another B1900 accident that year.
Crossed Cables: Colgan Air B1900D N240CJ Maintenance Error Read Post »
The investigators’ final report confirms that control was lost after a flying control connection failed after a loss of torque and progressive wear to the point of separation from the rod end. This accident highlights the need to make timely progress in accident investigations.
In-Flight Flying Control Failure: Indonesian Sikorsky S-76C+ PK-FUP Read Post »
An XL Airways A330 suffered a cascading series of failures. The BEA look at the human factors aspects of the incident.
Improvised Troubleshooting After Cascading A330 Avionics Problems Read Post »
