MIA91LA222

NTSB accident investigation · Hoffmeyer Moni Standard · Brooksville, FL · September 21, 1991

Accident · Serious injuriesLimited investigationFinal report
Date
September 21, 1991, 12:45 local (16:45 UTC)
Place
Brooksville, FL
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N133Hoffmeyer Moni Standard
Weather
Visual (VMC) · Day
Status
Completed · report April 8, 1993
Report
Approved by Office Director
FAA report
19910921042009A
Case key
32929

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

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Probable cause

Incapacitation of the pilot in command and inadvertent stall mush.

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.

Miscellaneous/otherTakeoff - roll/run
Incapacitation(loss of consciousness)Pilot in commandCause
Loss of control - in flightTakeoff - initial climb
Stall/mush - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The plt passed out momentarily after applying the throttle to takeoff. The motor glider became airborne, stalled, and impacted the ground lt wing low. The plt stated that he was awakened due to airframe buffeting just prior to stalling.

Aircraft

Registration
N133
Reported as
Hoffmeyer Moni Standard (MONI STAND)
Category
Glider, amateur-built
Serial number
00133
Engine
KFM M2875, 25 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Hoffmeyer, Robert E.
Registered owner
Hoffmeyer, Robert E.
Airworthiness certificate
Special, Experimental (Special)

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
72
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Flight hours
500 total

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 7 knots
Visibility
9 statute miles
Lowest ceiling
None
Temperature
88 °F, dew point 73 °F
Altimeter
30.00 inHg
Observed at
TPA, 30 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.