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NTSB Report
February 26, 1984 · Monnett MONI · N87RB
Indiantown, FL
Overview
Report Status
Preliminary report
Event Type
Accident
Date
February 26, 1984
Injury Outcomes
1 injury (1 serious injury)
Location
Indiantown, FL
Aircraft
Monnett MONI
Tail Number
N87RB
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
MIA84FA095
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time13:34 EST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMonnett MONI
Tail NumberN87RB
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsItal-American · KFM 107 · Reciprocating · 25
Seats1
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 49 · None
Conditions
ConditionsVMC
LightDaylight
Wind140° @ 8 kt, gusting 18 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point55
Altimeter29.00 inHg
Observation Time18:54
Weather SourceWFAC