Aerossurance
@aerossurance.bsky.social
Expertise to Procure & Assure contracted aviation services. Independent aviation safety, ops, airworthiness and HF advice (FW, RW & UAS, military and civil).
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.
November 30, 2025 at 10:59 AM
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.
#OTD 2020: Defect on Newly Delivered RCAF Sikorsky CH-148 Cyclone (S-92) aerossurance.com/helicopters/...
#military #helicopter #airworthiness #flightsafety #aviationsafety #ewis
#military #helicopter #airworthiness #flightsafety #aviationsafety #ewis
November 30, 2025 at 10:58 AM
#OTD 2020: Defect on Newly Delivered RCAF Sikorsky CH-148 Cyclone (S-92) aerossurance.com/helicopters/...
#military #helicopter #airworthiness #flightsafety #aviationsafety #ewis
#military #helicopter #airworthiness #flightsafety #aviationsafety #ewis
Powerbanks have got a bad name for incendiary flight safety incidents, but an Irish helicopter suffered a very different powerbank incident. aerossurance.com/helicopters/... #helicopter #flightsafety #aviationsafety #loosearticle #fod
November 29, 2025 at 2:41 PM
Powerbanks have got a bad name for incendiary flight safety incidents, but an Irish helicopter suffered a very different powerbank incident. aerossurance.com/helicopters/... #helicopter #flightsafety #aviationsafety #loosearticle #fod
#OTD 2023 #USAF CV-22B Osprey Japan: Catastrophic gear box failure. Decision making seemingly influenced by low risk awareness & commitment to complete the flight. aerossurance.com/air-accident... #military #accident #flightsafety #aviationsafety #airworthiness #humanfactors
November 29, 2025 at 11:11 AM
#OTD 2023 #USAF CV-22B Osprey Japan: Catastrophic gear box failure. Decision making seemingly influenced by low risk awareness & commitment to complete the flight. aerossurance.com/air-accident... #military #accident #flightsafety #aviationsafety #airworthiness #humanfactors
#OTD 2022 Cruise ship ‘Viking Polaris’ SE of Cape Horn: The pressure from a breaking wave exceeded what the windows design requirement. NSIA could not identify rules for ships or ship windows covering the effects of breaking waves to the side.
www.nsia.no/Marine/Publi...
www.nsia.no/Marine/Publi...
November 29, 2025 at 11:04 AM
#OTD 2022 Cruise ship ‘Viking Polaris’ SE of Cape Horn: The pressure from a breaking wave exceeded what the windows design requirement. NSIA could not identify rules for ships or ship windows covering the effects of breaking waves to the side.
www.nsia.no/Marine/Publi...
www.nsia.no/Marine/Publi...
#OTD 1945: First civil helicopter hoist rescue www.sikorskyarchives.com/Civilian_Res... #sar #searchandrescue #sikorsky
November 29, 2025 at 10:37 AM
#OTD 1945: First civil helicopter hoist rescue www.sikorskyarchives.com/Civilian_Res... #sar #searchandrescue #sikorsky
#OTD 1979 an Air New Zealand DC-10 struck Mount Erebus, Antarctica, killing all 257 occupants
aviation-safety.net/database/rec... #flightsafety #aviationsafety
aviation-safety.net/database/rec... #flightsafety #aviationsafety
November 28, 2025 at 7:51 AM
#OTD 1979 an Air New Zealand DC-10 struck Mount Erebus, Antarctica, killing all 257 occupants
aviation-safety.net/database/rec... #flightsafety #aviationsafety
aviation-safety.net/database/rec... #flightsafety #aviationsafety
In need of inspiration for your maintenance human factor continuation training? Why not use this free CASA HF video?: ‘Crossed Wires’ aerossurance.com/safety-manag... #aviationmaintenance #humanfactors
November 27, 2025 at 10:45 AM
In need of inspiration for your maintenance human factor continuation training? Why not use this free CASA HF video?: ‘Crossed Wires’ aerossurance.com/safety-manag... #aviationmaintenance #humanfactors
Safety Investigations (are we missing something?) - Aerossurance's Andy Evans in discussion with Sam Lee on the perils of WYLFIWYF (What-You-Look-For-Is-What-You-Find) and other 'stuff' www.youtube.com/watch?v=QQF8...
#flightsafety #aviationsafety #humanfactors
#flightsafety #aviationsafety #humanfactors
November 26, 2025 at 10:05 AM
Safety Investigations (are we missing something?) - Aerossurance's Andy Evans in discussion with Sam Lee on the perils of WYLFIWYF (What-You-Look-For-Is-What-You-Find) and other 'stuff' www.youtube.com/watch?v=QQF8...
#flightsafety #aviationsafety #humanfactors
#flightsafety #aviationsafety #humanfactors
#OTD 2019: #MidAirCollision during combat ops in Mali. BEA-E examine #HumanFactors affecting situational awareness as Air Mission Commander wrestled with Rules of Engagement dilemma. aerossurance.com/helicopters/...
#military #helicopter #accident #flightsafety #aviationsafety
#military #helicopter #accident #flightsafety #aviationsafety
November 25, 2025 at 6:58 AM
#OTD 2019: #MidAirCollision during combat ops in Mali. BEA-E examine #HumanFactors affecting situational awareness as Air Mission Commander wrestled with Rules of Engagement dilemma. aerossurance.com/helicopters/...
#military #helicopter #accident #flightsafety #aviationsafety
#military #helicopter #accident #flightsafety #aviationsafety
Bell 206 accident
November 24, 2025 at 7:52 PM
Bell 206 accident
#OTD 2017: A #SAR AW101 rolled over "during a period of persistently elevated and confusing operational risk" as the #helicopter was being introduced to #military service. aerossurance.com/helicopters/...
#flightsafety #aviationsafety #managementofchange
#flightsafety #aviationsafety #managementofchange
November 24, 2025 at 7:07 AM
#OTD 2017: A #SAR AW101 rolled over "during a period of persistently elevated and confusing operational risk" as the #helicopter was being introduced to #military service. aerossurance.com/helicopters/...
#flightsafety #aviationsafety #managementofchange
#flightsafety #aviationsafety #managementofchange
#OTD 2023: US Airbus H135 air ambulance night bird strike aviation-safety.net/wikibase/wik... #helicopter #airambulance #flightsafety #aviationsafety #hems #birdstrike
November 21, 2025 at 7:58 AM
#OTD 2023: US Airbus H135 air ambulance night bird strike aviation-safety.net/wikibase/wik... #helicopter #airambulance #flightsafety #aviationsafety #hems #birdstrike
UPS Flight 2976 Crash During Takeoff: NTSB Preliminary Report
www.ntsb.gov/investigatio... #flightsafety #aviationsafety
www.ntsb.gov/investigatio... #flightsafety #aviationsafety
November 20, 2025 at 9:43 PM
UPS Flight 2976 Crash During Takeoff: NTSB Preliminary Report
www.ntsb.gov/investigatio... #flightsafety #aviationsafety
www.ntsb.gov/investigatio... #flightsafety #aviationsafety
#OTD in 2018: Shocking Accident: Two workers electrocuted during HESLO while pouring concrete for the base of a new pylon adjacent to a live powerline. aerossurance.com/helicopters/...
#flightsafety #aviationsafety #helicopter #accident
#flightsafety #aviationsafety #helicopter #accident
November 20, 2025 at 9:03 AM
#OTD in 2018: Shocking Accident: Two workers electrocuted during HESLO while pouring concrete for the base of a new pylon adjacent to a live powerline. aerossurance.com/helicopters/...
#flightsafety #aviationsafety #helicopter #accident
#flightsafety #aviationsafety #helicopter #accident
At dusk the bird strike risk in that area was 'severe' according to USAF modelling, available online as a planning tool.
November 19, 2025 at 7:28 AM
At dusk the bird strike risk in that area was 'severe' according to USAF modelling, available online as a planning tool.
#OTD 2017: An air ambulance in cruise at c 1,000 ft struck multiple geese, crashing with the loss of 3 lives. aerossurance.com/helicopters/... #helicopter #airambulance #accident #birdstrike #flightsafety #aviationsafety
November 19, 2025 at 7:27 AM
#OTD 2017: An air ambulance in cruise at c 1,000 ft struck multiple geese, crashing with the loss of 3 lives. aerossurance.com/helicopters/... #helicopter #airambulance #accident #birdstrike #flightsafety #aviationsafety
#OTD 2016: Operational pressure, overconfidence and a false sense of security from technology may have contributed to what ANSV describe as an inadequately risk assessed and planned flight. aerossurance.com/helicopters/... #helicopter #accident #flightsafety #aviationsafety
November 19, 2025 at 7:10 AM
#OTD 2016: Operational pressure, overconfidence and a false sense of security from technology may have contributed to what ANSV describe as an inadequately risk assessed and planned flight. aerossurance.com/helicopters/... #helicopter #accident #flightsafety #aviationsafety
#OTD 2021: An £81mn fighter is downed by one of its own intake blanks. A case study on the concept of Organisational Accidents. aerossurance.com/safety-manag... #humanfactors #aviationmaintenance #flightsafety #aviationsafety #safetymanagement #riskmanagement #organisationalculture
November 17, 2025 at 6:48 AM
#OTD 2021: An £81mn fighter is downed by one of its own intake blanks. A case study on the concept of Organisational Accidents. aerossurance.com/safety-manag... #humanfactors #aviationmaintenance #flightsafety #aviationsafety #safetymanagement #riskmanagement #organisationalculture
#OTD 2012 Accident Review: Pasadena PD Helicopter Collision www.therunwaycentreline.com/blog/2020/5/... #police #helicopter #heliport #flightsafety #aviationsafety
November 17, 2025 at 6:44 AM
#OTD 2012 Accident Review: Pasadena PD Helicopter Collision www.therunwaycentreline.com/blog/2020/5/... #police #helicopter #heliport #flightsafety #aviationsafety
#OTD 2020: Skipping a low recce #hems crew attention was on obstacles not slope, landing even after Mast Moment warnings with an MRB striking the cable cutter. aerossurance.com/helicopters/... #helicopter #airambulance #accident #flightsafety #aviationsaferty #humanfactors
November 16, 2025 at 9:55 AM
#OTD 2020: Skipping a low recce #hems crew attention was on obstacles not slope, landing even after Mast Moment warnings with an MRB striking the cable cutter. aerossurance.com/helicopters/... #helicopter #airambulance #accident #flightsafety #aviationsaferty #humanfactors
Aircraft damage and bowser fuel filters
November 15, 2025 at 12:14 PM
Aircraft damage and bowser fuel filters
#OTD 2019 AAIB identify weaknesses in maintenance practices relating to flying control cables, an unrelated anomaly that has occurred on several Q400s & an issue how the Q400 FDR processes data that has been solved only for US operators. aerossurance.com/safety-manag... #flightsafety #aviationsafety
November 15, 2025 at 10:23 AM
#OTD 2019 AAIB identify weaknesses in maintenance practices relating to flying control cables, an unrelated anomaly that has occurred on several Q400s & an issue how the Q400 FDR processes data that has been solved only for US operators. aerossurance.com/safety-manag... #flightsafety #aviationsafety
#OTD 2018 The AAIB safety investigation revealed a difference between 'work as imagined' and 'work as done' in testing the pitot static system.
aerossurance.com/safety-manag...
#aviationmaintenance #humanfactors #aviationsafety #flightsafety
aerossurance.com/safety-manag...
#aviationmaintenance #humanfactors #aviationsafety #flightsafety
November 15, 2025 at 9:36 AM
#OTD 2018 The AAIB safety investigation revealed a difference between 'work as imagined' and 'work as done' in testing the pitot static system.
aerossurance.com/safety-manag...
#aviationmaintenance #humanfactors #aviationsafety #flightsafety
aerossurance.com/safety-manag...
#aviationmaintenance #humanfactors #aviationsafety #flightsafety
#OTD 2015: A near-miss in Canada raises observations on night approaches plus the engineering and safety responses to safety occurrences.
aerossurance.com/helicopters/...
#airambulance #helicopter #accident #flightsafety #aviationsafety
aerossurance.com/helicopters/...
#airambulance #helicopter #accident #flightsafety #aviationsafety
November 15, 2025 at 8:15 AM
#OTD 2015: A near-miss in Canada raises observations on night approaches plus the engineering and safety responses to safety occurrences.
aerossurance.com/helicopters/...
#airambulance #helicopter #accident #flightsafety #aviationsafety
aerossurance.com/helicopters/...
#airambulance #helicopter #accident #flightsafety #aviationsafety