Enstrom F-28A N9209

Summary

On 27 May 1988 at about 01:15 local time, a Enstrom F-28A registered N9209 was involved in an accident near Middletown, Delaware, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

27 May 1988 at 01:15

Classification

Accident

Location

Middletown, Delaware, United States

Nearest airport

Summit Airpark (N92)

Coordinates

39.4496, -75.7093

Aircraft

Enstrom F-28A

Registration

N9209

Category

Helicopter

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Instructional

Phase of flight

Not recorded

Route

Unknown → Wilmington

Aircraft damage

Substantial

Weather

VMC

Light

Night/Bright

NTSB number

BFO88FA050

Nobody was injured.

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

SHORTLY AFTER TAKEOFF, AT AN ALT OF APRX 400 FT, A LOUD BANG WAS HEARD AND THE HELICOPTER DEVELOPED A MODERATE TO SEVERE VIBRATION. THE CFI TOOK CONTROL OF THE HELICOPTER AND INITIATED AN AUTOROTATION. THE HELICOPTER CONTACTED SMALL TREE BRANCHES AND LANDED HARD IN A FIELD. POST ACCIDENT INSPECTION REVEALED THE #3 CYLINDER CONNECTING ROD CAP HAD SEPARATED FROM THE CONNECTING ROD. THE FATIGUE FAILURE INITIATED AT THE BOLT HOLE IN THE YOKE SECTION OF THE ROD. SEVERE GALLING WAS VISIBLE ON THE FAILED CONNECTING ROD CAP AND YOKE.

Quoted verbatim from the NTSB record.