Accident · 2017-09-01

NTSB case ERA17LA307 · CESSNA U206 · Part 91

What the record says

Event date
2017-09-01
Event type
Accident
Highest injury level
Minor injury
Aircraft
CESSNA U206 (N4615X)
Operating rule
Part 91
Operator
Waters Aero-Marine, Inc. Operator named in NTSB report
Operated by (per NTSB report)
WATERS AERO-MARINE INC

Probable cause

A total loss of engine power due to maintenance personnel's failure to apply proper torque to the cylinder flange nuts and through bolts, which resulted in shifting of the Nos. 1, 2, and 3 main bearings, loss of lubrication, and failure of the crankshaft.

Source: NTSB case ERA17LA307

Flight crew

Certification and experience as recorded in the NTSB accident database for this event. The NTSB records these facts about the crew's flying history; GroundCheck shows them as filed, without names or identities.

RoleCertificateInstrument ratingAgeMedicalFlight hours
Pilot pilot flyingFlight instructor / CommercialAirplane25Class 2 (2017-05-16)2,400 total · 800 in this make/model · 2,371 as PIC · 200 last 90 days

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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