DEN83LA210

NTSB accident investigation · Schweizer SGS 2-33A · Durango, CO · September 4, 1983

Accident · No injuriesLimited investigationFinal report
Date
September 4, 1983, 15:00 local (21:00 UTC)
Place
Durango, CO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N7590Schweizer SGS 2-33A
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
16155

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.

UndershootApproach - vfr pattern - final approach
Airspeed - misjudgedPilot in commandCause
Altitude - misjudgedPilot in commandCause
In flight collision with objectApproach - vfr pattern - final approach
Object - tree(s)Factor

Analysis

After releasing from an aerial tow about 2,000 ft AGL, the plt was unable to find lifting thermals. The glider began to descend about 800 fpm so the plt maneuvered to return to the airstrip. The glider collided with several small trees short of the rwy.

Aircraft

Registration
N7590
Reported as
Schweizer SGS 2-33A
Category
Glider
Serial number
180
Airframe hours
2,697
Engine
unknown
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Durango Soaring Assoc. Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · May 14, 1983 · 90 hours before
Airport
9C08 · Val-Air, runway 17, 3,400 × 100 ft, grass/turf

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
Certificate
Private
Airplane ratings
Single-engine land
Medical
Unknown, Unknown
Seat
Center
Flight hours
200 total · 200 in this make and model · 2 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
75 statute miles
Lowest ceiling
8,000 ft broken
Temperature
79 °F, dew point 54 °F
Altimeter
30.00 inHg
Observed at
DRO

Other investigations on N7590 · 2

Matched to the same aircraft by N-number and date.