MINR · Hughes 369HS · 1999-06-07 · PACIFIC OCEAN, PO
Event
NTSB number
LAX99LA253
Event ID
20001212X19048
Type
Accident
Date
1999-06-07
Location
PACIFIC OCEAN, PO
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
2
Uninjured
0
Total aboard
2
Aircraft
Make
Hughes
Model
369HS
Registration
N4278M
FAR Part
091
Engines
1
Damage
DEST
Conditions
Light
DAYL
Weather
VMC
Probable cause
The removal of the tail rotor blade abrasion strips by the use of an unapproved method by the maintenance personnel which resulted in the imbalance of the tail rotor blade assembly and subsequent separation of the 90-degree gear box; the pilot/mechanic's unapproved repair to the tail rotor blade tip caps; and, his continued operation of the helicopter with known deficiencies.