ATL87DLT01

NTSB accident investigation · Schleicher ASK-21 · Eagleville, TN · April 17, 1987

Accident · No injuriesFinal report
Date
April 17, 1987, 11:30 local (16:30 UTC)
Place
Eagleville, TN
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N174KSSchleicher ASK-21
Weather
Visual (VMC) · Day
Status
Completed · report November 8, 1988
Report
Approved by Office Director
Case key
7249

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.

In flight collision with objectApproach - vfr pattern - final approach
Object - tree(s)
Weather condition - downdraft
Planned approach - misjudgedDual studentCause
Supervision - inadequatePilot in command(cfi)Cause
Loss of control - in flightApproach - vfr pattern - final approach

Analysis

During a landing attempt, N174KS collided with a treeline on final approach to the airport. The instructor reported that the flight was normal until the student encountered a downdraft on final approach. The instructor took control of the controls, but was unable regain the lost altitude and airspeed. The glider collided with a tree stalled and crashed. The instructor did not report any glider control or system problems.

Aircraft

Registration
N174KS
Reported as
Schleicher ASK-21
Category
Glider
Serial number
21194
Engine
unknown
Damage
Substantial damage
Flight
Instructional · Part 91
Registered owner
Bill Mcfarlane
Airworthiness certificate
Standard, Utility
Airport
50M · Eagleville, runway 32, 2,200 × 18 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
Age
36
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Rear
Flight hours
536 total · 18 in this make and model · 536 as pilot in command · 11 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
5 statute miles
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F