NTSB Identification: FTW84FA287.
The docket is stored on NTSB microfiche number 26388.
Nonscheduled 14 CFR
Accident occurred Monday, June 25, 1984 in GALVESTON, TX
Aircraft: BELL 212, registration: N2180J
Injuries: 1 Minor,9 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

DURING TAKEOFF, THE HELICOPTER LIFTED OFF IN AN 80% POWER CHECK & THE PLT BEGAN A NORTHERLY DEPARTURE. BEFORE ACHIEVING TRANSLATIONAL LIFT, THE ROTOR RPM DROPPED TO APRX 85%. THE TORQUE METER INDICATED A SPLIT WITH THE #1 ENG INDICATING ABOUT 55% & THE #2 ENG INDICATING AS LOW AS 39%. THE LOW ROTOR RPM AUDIO & WARNING LIGHT ACTIVATED & THE HELICOPTER BEGAN TO SINK. THE PLT HAD INSUFFICIENT ALT TO RECOVER RPM. HE LANDED THE HELICOPTER IN A CLEAR AREA IN A NOSE HIGH ATTITUDE & WITH FORWARD SPEED. DURING THE LANDING, THE SKIDS WERE DAMAGED (SPREAD), THE HELICOPTER ROCKED FORWARD, THE RADOME WAS DAMAGED & THE TAIL BOOM WAS SEVERED. AN INVESTIGATION REVEALED THAT THE #2 ENG, MAIN FUEL CONTROL, PN3244736-8 HAD AN AIR LEAK AT THE P3-TP-PG REGULATOR AIR DIAPHRAM WJERE A RETAINING SCREW WAS LOOSE. THE SCREW HAD BEEN SAFETY WIRED & SEALED BY THE MANUFACTURER BUT WOULD TURN SLIGHTLY WITHIN THE LIMITS OF THE WIRE. WHEN TIGHTENED, WITHIN THE LIMITS, THE AIR LEAK STOPPED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM,FUEL CONTROL..LOOSE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MAINTENANCE,INSTALLATION..IMPROPER..MANUFACTURER

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM,FUEL CONTROL..LEAK

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM,FUEL CONTROL..OUTPUT LOW



Contributing Factors

INADEQUATE QUALITY CONTROL..MANUFACTURER

Index for Jun1984 | Index of months