RotorAlert
Incidents→Maintenance
Probable cause

Maintenance helicopter accidents

Incidents where the investigation found faulty, incomplete or omitted maintenance or servicing to be the primary cause, rather than a contributing factor.

Total incidents
2
Confirmed fatalities
0
Fatal incidents
0
Fatal rate
0.0%
Most affected countries
Most affected aircraft
Hughes1 incident
Schweizer1 incident

How many helicopter crashes are caused by maintenance?

2 incidents in this database are attributed to maintenance, causing 0 deathsacross 0 fatal accidents, between 1989 and 1997.

Where does this happen most?

Most often in Northern Mariana Islands, with 2 records.

DateLocationAircraftFatalitiesSeveritySource
1997-12-06🇲🇵Coral Ocean Point, Kobleville, Saipan, Northern Mariana IslandsHughes 369HS—minorNTSB ↗
1989-03-20🇲🇵Saipan, Northern Mariana IslandsSchweizer 269C—unknownNTSB ↗
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