DEN85LA160

NTSB accident investigation · Ayres S2R-600 · Gardner, CO · June 8, 1985

Accident · No injuriesLimited investigationFinal report
Date
June 8, 1985, 17:30 local (23:30 UTC)
Place
Gardner, CO
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N4871XAyres S2R-600
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850608023469A
Case key
16700

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.

Loss of control - in flightManeuvering - turn to reverse direction
Weather condition - high density altitudeFactor
Stall - inadvertentPilot in commandCause
Weather condition - downdraftFactor
Airspeed(vs) - belowPilot in commandCause
Altitude - inadequatePilot in commandCause
Performance data - not followedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground
Terrain condition - mountainous/hilly

Analysis

The ag-acft stalled & crashed during an ag operation in high density alt. The mountainous terrain and downdrafts contributed to the overall effect of dissapating the clearance between the acft & the undulating terrain.

Aircraft

Registration
N4871X
Reported as
Ayres S2R-600
Category
Airplane
Serial number
S2R-600
Airframe hours
3,400
Engine
P&W R-1340-AN-1, 600 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Registered owner
Speartex Grain Co., Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · February 26, 1985 · 63 hours before
Departed
Gardner, CO

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
40
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
6,712 total · 39 in this make and model · 6,551 as pilot in command · 82 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
110° at 5 knots
Visibility
60 statute miles
Lowest ceiling
25,000 ft broken
Temperature
97 °F, dew point 10 °F
Altimeter
30.00 inHg
Observed at
TAD, 49 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.