CHI83LA314

NTSB accident investigation · Flug-Und Fahrzeugwerke Diamant · Frankfort, MI · July 10, 1983

Accident · No injuriesLimited investigationFinal report
Date
July 10, 1983, 10:30 local (14:30 UTC)
Place
Frankfort, MI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N37ACFlug-Und Fahrzeugwerke Diamant
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830710037129A
Case key
12263

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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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.

On ground/water encounter with terrain/waterTakeoff - roll/run
Airport facilities,runway/landing area condition - high vegetationFactor
Proper alignment - not attainedPilot in commandCause

Analysis

The plt reported that during a winch tow takeoff the right wing caught in tall grass & soft sand, & the glider ground-looped.

Aircraft

Registration
N37AC
Reported as
Flug-Und Fahrzeugwerke Diamant
Category
Glider
Serial number
049
Airframe hours
550
Engine
unknown
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Kent L. Uhley
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 1, 1982
Flight plan
VFR
Airport
3D4 · Frankfort, runway 14, 2,750 × 50 ft, asphalt

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
58
Certificate
Private
Airplane ratings
Single-engine land
Medical
Unknown
Seat
Center
Flight hours
550 total · 550 in this make and model · 30 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
200° at 10 knots, gusting 15
Visibility
40 statute miles
Lowest ceiling
None
Temperature
84 °F

FAA reports on this event · 1

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