Robinson R22 N9066P

Summary

On 22 July 1983 at about 16:12 local time, a Robinson R22 registered N9066P, operated by Muth Aircraft Company, was involved in an accident near Canton, Pennsylvania, United States. 2 people were on board and 2 died. The aircraft was destroyed. No probable cause statement is available for this record.

Date

22 July 1983 at 16:12

Classification

Accident

Location

Canton, Pennsylvania, United States

Coordinates

41.6505, -76.8492

Aircraft

Robinson R22

Registration

N9066P

Category

Helicopter

Engines

1

Operator

Muth Aircraft Company

Operating rule

Part 91: General Aviation

Purpose of flight

Aerial Observation

Phase of flight

Not recorded

Route

Williamsport → Unknown

Aircraft damage

Destroyed

Weather

VMC

Light

Day

NTSB number

NYC83FA189

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

WHILE THE HELICOPTER WAS ON A POWER LINE PATROL FLT, ONE OF THE MAIN ROTOR BLADES SEPARATED & THE ACFT CRASHED & BURNED. NUMEROUS PERSONS SAW THE HELICOPTER WHILE THE PLT WAS PATROLLING AT LOW ALT. SEVERAL REPORTED SEEING THE ACFT MANEUVER ABRUPTLY OVER OBTACLES. ALSO, SEVERAL WITNESSES SAW THE HELICOPTER AT THE TIME OF THE ACCIDENT. ONE SAID THE HELICOPTER WOBBLED OR TILTED FROM RIGHT TO LEFT & ALMOST IMMEDIATELY EXPLODED IN THE AIR. AN INVESTIGATION REVEALED THAT THE SEPARATED MAIN ROTOR BLADE PN A-016-1, A REVISION W BLADE, HAD FAILED FROM FATIGUE ABOUT 8 1/4 INCHES OUTBOARD OF THE SPINDLE BOLT CENTERLINE.

Quoted verbatim from the NTSB record.