#OTD 2016 Despite a Service Information Letter that highlighted the MM instructions, the NLG downlock actuator piston of this smokejumper aircraft was painted. The NLG collapsed on the next landing.
aerossurance.com/safety-manag... #aviationsafety #aviationmaintenance #flightsafety #airworthiness

#OTD 2016: 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.
aerossurance.com/helicopters/... #accident #flightsafety #aviationsafety

#OTD 2018: Falcon 2000EX: A rare PW308 engine failure mode related to miss-rigging a Shut Off Valve. The investigation triggered enhancing maintenance instructions.
aerossurance.com/safety-manag...
#flightsafety #aviationsafety #airworthiness #humanfactors

#OTD 2013: AIBN (now NSIA) raised concerns over the Sikorsky S-92A emergency checklist after this MGB related emergency landing on a disused helideck aerossurance.com/helicopters/... #helicopter #airworthiness #flightsafety #aviationsafety

#OTD 2015: A Delta 747 suffered a contained engine failure in cruise that resulted in an AD on LP Turbine inspections. aerossurance.com/air-accident... #flightsafety #aviationsafety #airworthiness

#OTD 2018: #NTSB Report on Fatal Falcon 50 Runway Excursion Accident: Unairworthy with Unqualified Crew
aerossurance.com/safety-manag...
#airworthiness #accident #flightsafety #aviationsafety

#OTD 2019 #BEA suggest miscommunication about the operating environment in an #engine AD not being applied, missing the chance of early detection of an impending failure.
aerossurance.com/helicopters/...
#helicopter #accident #camo #airworthiness #flightsafety #aviationsafety

#OTD 2016: A helicopter was lost offshore Angola: AD only issued to inspect B430 main rotor pitch link clevis after a second accident. 11 lives lost in total. aerossurance.com/helicopters/... #helicopter #accident #airworthiness #flightsafety #aviationsafety

#OTD 2022: Exemplary airmanship after a production defect, dormant for 11 years, emerged. aerossurance.com/safety-manag... #offshore #helicopter #production #airworthiness #flightsafety #aviationsafety

#OTD 2019: TSB uncover a difference in interpreting certification requirements applied to retrofit composite blades resulting in an omitted test. aerossurance.com/helicopters/... #helicopter #accident #airworthiness #certification #flightsafety #aviationsafety

In a flat spin the aircraft established c14,000 fpm ROD, completing 5 turns over 68s, with pitch of + 10° and -62° and left bank between 75° & 10° until impact. aerossurance.com/air-accident... #flightsafety #aviationsafety #humanfactors #organizationalculture #airworthiness #aviationmaintenance

62 people died in a shocking Brazilian ATR72 accident. We look at some of the continuing airworthiness and wider organisational & cultural issues. aerossurance.com/air-accident... #flightsafety #aviationsafety #humanfactors #organizationalculture #airworthiness #aviationmaintenance

#OTD 1997: This Helikopter Service accident and loss of 12 lives off Norway had far reaching consequences for the use and regulation of HUMS.
aerossurance.com/helicopters/...
#offshore #helicopter #hums #airworthiness #accident #flightsafety #aviationsafety