MIA84FA095

NTSB accident investigation · Monnett Moni · Indiantown, FL · February 26, 1984

Accident · Serious injuriesField investigationFinal report
Date
February 26, 1984, 13:34 local (18:34 UTC)
Place
Indiantown, FL
Injuries
1 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N87RBMonnett Moni
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840226005289A
Case key
30975

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Airframe/component/system failure/malfunctionClimb
Wing - failure,totalFactor
Procedures/directives - improperPilot in commandCause
Inadequate quality controlProduction/design personnelCause
Misc eqpt/furnishings,seat belt - binding(mechanical)Factor
Aerobatics - performedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

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.

Aircraft

Registration
N87RB
Reported as
Monnett Moni
Category
Airplane, amateur-built
Serial number
116
Airframe hours
47
Engine
Ital-American KFM 107, 25 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Robert K. Brumwell
Last inspection
Annual · November 28, 1983 · 47 hours before
Departed
X58 · Indiantown, FL

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
49
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Valid Medical--no waivers/lim.
Seat
Front
Flight hours
3,754 total · 5 in this make and model · 3,754 as pilot in command · 6 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
140° at 8 knots, gusting 18
Visibility
15 statute miles
Lowest ceiling
None
Temperature
75 °F, dew point 55 °F
Altimeter
29.00 inHg
Observed at
VRB, 25 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.