DEN86LA139

NTSB accident investigation · Pitts S-1S · Denver, CO · May 18, 1986

Accident · Minor injuriesLimited investigationFinal report
Date
May 18, 1986, 10:45 local (16:45 UTC)
Place
Denver, CO
Injuries
1 minor
Damage
Destroyed
Phase of flight
Approach
Aircraft
N2DEPitts S-1S
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860518017909A
Case key
16966

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.

Loss of engine power(total) - nonmechanicalApproach - vfr pattern - final approach
Reason for occurrence undeterminedCause
Forced landingDescent - emergency
Loss of control - in flightDescent - uncontrolled
Stall - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The plt report that he entered normal traffic for landing at front range airport. There were 3 or 4 acft preceding him so he extended his traffic pattern. After turning onto final approach about 1 mile from end of rwy, the plt said the eng quit abruptly. The acft stalled and crashed during the attempted forced landing. Wreckage examination and eng run failed to reveal evidence to explain the reported loss of power.

Aircraft

Registration
N2DE
Reported as
Pitts S-1S
Category
Airplane, amateur-built
Serial number
555H
Airframe hours
108
Engine
Lycoming O-360, 180 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Joeseph E. Thompson
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · May 31, 1985 · 108 hours before
Departed
01V · Aurora, CO
Airport
1W1 · Front Range, runway 26, 8,000 × 100 ft, dirt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
31
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Flight hours
3,779 total · 55 in this make and model · 3,600 as pilot in command · 70 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
30° at 11 knots
Visibility
65 statute miles
Lowest ceiling
None
Temperature
63 °F, dew point 28 °F
Altimeter
30.00 inHg
Observed at
DEN, 15 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.