DEN87LA021

NTSB accident investigation · Cessna A188B · Rock Springs, MT · November 24, 1986

Accident · No injuriesLimited investigationFinal report
Date
November 24, 1986, 10:00 local (17:00 UTC)
Place
Rock Springs, MT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N4862QCessna A188B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19861124068569A
Case key
17151

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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Analysis

During the initial takeoff ground run in high wind conditions the acft drifted to the right, impacted a dirt bank, ground looped and nosed down. During the ground loop the left wing struck the ground, damaging the main spar.

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 - on ground/waterTakeoff - roll/run
Weather condition - crosswindFactor
Proper alignment - not maintainedPilot in commandCause
Weather condition - high windFactor
Compensation for wind conditions - not attainedPilot in commandCause
On ground/water encounter with terrain/waterOther
Terrain condition - dirt bank/rising embankmentCause
Nose downOther
Ground loop/swerve - uncontrolledPilot in commandCause

Aircraft

Registration
N4862Q
Reported as
Cessna A188B
Category
Airplane
Serial number
18802598T
Airframe hours
1,911
Engine
Continental IO-520-D23, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Harris Flying Service
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · May 28, 1986 · 159 hours before
Airport
runway 31, 5,000 × 50 ft, dirt

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
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
3,143 total · 1,600 in this make and model · 2,975 as pilot in command · 100 in the last 90 days · 34 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 10 knots
Visibility
40 statute miles
Lowest ceiling
25,000 ft broken
Temperature
52 °F
Altimeter
29.00 inHg
Observed at
MLS, 43 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.