Bell 206B N49606

Summary

On 3 August 1986 at about 19:35 local time, a Bell 206B registered N49606 was involved in an accident near Alamo, California, United States. 2 people were on board and 2 died. The aircraft was destroyed. No probable cause statement is available for this record.

Date

3 August 1986 at 19:35

Classification

Accident

Location

Alamo, California, United States

Coordinates

37.8496, -122.0191

Aircraft

Bell 206B

Registration

N49606

Category

Helicopter

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Danville → Unknown

Aircraft damage

Destroyed

Weather

VMC

Light

Day

NTSB number

LAX86MA311

2 people died.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

WITNESSES REPORTED SEEING THE HELICOPTER CIRCLE TWICE OVER A RESIDENCE AT AN ALT OF APRX 50' AGL. UPON INITIATING THE THIRD TURN THE HELICOPTER ENTERED AN ABRUPT 90 DEG BANK AND NOSED DOWN TO IMPACT WITH THE TERRAIN. EXAM OF THE HELICOPTER FAILED TO REVEAL ANY FAILURE/MALFUNCTION. POSTMORTEM EXAM OF THE PLT REVEALED SEVERE ARTHERIOSCLEROTIC HEART DISEASE WHICH MOST PROBABLY RESULTED IN A CATASTROPHIC MYOCARDIAL EVENT JUST PRIOR TO THE ACCIDENT. THE PLT HAD A HISTORY OF HEART DISEASE DATING PRIOR TO OCT, 1981. IN SEPT, 1984, THE PLT WAS DENIED A CLASS II MEDICAL BASED ON HIS MEDICAL HISTORY. IN JAN, 1985, THE NEWLY APPOINTED FAS ISSUED A SPECIAL ISSUANCE CLASS II WITHOUT FURTHER MEDICAL EXAMS.AFTER FURTHER MEDICAL EXAMS IN APRIL, 1986, THE PLT WAS ISSUED AN UNRESTRICTED CLASS II MEDICAL IN MAY, 1986. AT THIS TIME THE PLT WAS ADVISED TO REPORT ANY CHANGES IN HIS MEDICAL CONDITION. DURING THAT SAME MONTH, THE PLT WAS HOSPITALIZED FOR A MYOCARDIAL INFARCTION. THIS EVENT WAS NOT REPORTED TO THE FAS AND THE PLT CONTINUED FLYING.

Quoted verbatim from the NTSB record.