NTSB Identification: MIA84FA095.
The docket is stored on NTSB microfiche number 24238.
Accident occurred Sunday, February 26, 1984 in INDIANTOWN, FL
Aircraft: MONNETT MONI, registration: N87RB
Injuries: 1 Serious.

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.

THE ACFT CRASHED IN PIECES AFTER THE AIRFRAME FAILED WHILE THE PLT WAS PERFORMING AEROBATICS. THE PLT USED HIS PARACHUTEWHILE STILL BELTED TO THE TAIL SECTION OF THE ACFT WHICH WAS LOWERED BY THE CHUTE. THE WRECKAGE CONSISTED OR SIX MAIN PIECES OF SEPARATED AIRFRAME. INVESTIGATION REVEALED THAT THE ACFT IS OF AN ALL METAL CONSTRUCTION AND INCROPORATES THE USE OF BONDING TO ATTACH THE ONE PIECE WING SKINS TO THE LEFT AND RIGHT WINGS. EXAMINATION OF THE BONDED SURFACES INDICATED THAT CONTAMINATION OF THE SURFACES DURING THE BONDING PROCESS RESULTED IN A WEAKER BOND BETWEEN THE BONDED SURFACE AND BONDING MATERIAL.

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

PROCEDURES/DIRECTIVES..IMPROPER..PILOT IN COMMAND

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

INADEQUATE QUALITY CONTROL..PRODUCTION/DESIGN PERSONNEL

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

AEROBATICS..PERFORMED..PILOT IN COMMAND


Contributing Factors

WING..FAILURE,TOTAL


Contributing Factors

MISC EQPT/FURNISHINGS,SEAT BELT..BINDING(MECHANICAL)

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