ATL88FA106

NTSB accident investigation · Cessna 150 · Knoxville, TN · March 6, 1988

Accident · FatalField investigationFinal report
Date
March 6, 1988, 15:40 local (20:40 UTC)
Place
Knoxville, TN
Injuries
2 fatal, 2 uninjured
Phase of flight
Approach
Aircraft
N60371Cessna 150N3818UBeech 77
Weather
Visual (VMC) · Day
Status
Completed · report June 7, 1989
Report
Approved by Office Director
Case key
7587

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.

Midair collisionApproach - vfr pattern - final approach
Visual lookout - inadequatePilot in commandCause
Comm/nav equipment,transmitter - inoperativeFactor
Visual lookout - inadequatePilot of other aircraftCause
Midair collisionApproach - vfr pattern - final approach
Visual lookout - inadequatePilot in commandCause
Visual lookout - inadequatePilot of other aircraftCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - dirt bank/rising embankment

Analysis

The Cessna made a long straight in final approach. The aircraft's radio transmitter was inop. Afterward the Cessna PIC rpted that initially he saw the Beech on a left base. Later he stated the Beech was heading away from the traffic pattern. Witnesses described the Beech flying a normal traffic pattern and arriving on final above & slightly behind the Cessna. The Beech began a steeper, faster descent & collided with the Cessna from behind. The investigation uncovered intense animosity between the Cessna operators and the flight school where the Beech was based. Corporate pilots complained about traffic pattern discourtesy by two acft whose descriptions matched the acft involved in this collision. A witness reported hearing the Beech making position reports in the pattern. Another witness stated that the Cessna radio was receiving satisfactorilly.

A Cessna made a long straight in final approach. The aircraft's radio transmitter was inop. Afterward the Cessna PIC rpted that initially he saw the Beech on a left base. Later he stated the Beech was heading away from the traffic pattern. Witnesses described the Beech flying a normal traffic pattern and arriving on final above & slightly behind the Cessna. The Beech began a steeper, faster descent & collided with the Cessna from behind. The investigation uncovered intense animosity between the Cessna operations and the flight school where the Beech was based. Corporate pilots complained about traffic pattern discourtesy by two acft whose descriptions matched the acft involved in this collision. A witness reported hearing the Beech making position reports in the pattern. Another witness stated that the Cessna radio was receiving satisfactorilly.

Aircraft · 2

Registration
N60371
Reported as
Cessna 150
Category
Airplane
Serial number
15070262
Airframe hours
2,352
Engine
Continental O-200-A, 100 horsepower, reciprocating
Damage
Minor damage
Flight
Personal · Part 91
Operator
Jack L. Pollard
Registered owner
Jack L Pollard
Airworthiness certificate
Standard, Utility
Last inspection
Annual · August 17, 1987 · 19 hours before
Airport
DKX · Knoxville Downtown Island, runway 26, 3,500 × 75 ft, asphalt

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.

Registration
N3818U
Reported as
Beech 77
Category
Airplane
Serial number
WA 223
Airframe hours
4,318
Engine
Lycoming O-235-L2C, 115 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Aviatin Instruction, Inc.
Registered owner
Douglas J. & Lisa Gieser
Airworthiness certificate
Standard, Utility
Last inspection
Annual · January 27, 1988 · 68 hours before
Airport
DKX · Knoxville Downtown Island, runway 26, 3,500 × 75 ft, asphalt

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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N60371
Age
39
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Flight hours
185 total · 158 in this make and model · 141 as pilot in command · 2 in the last 90 days · 2 in the last 24 hours
Role
Pilot, aircraft N3818U
Age
23
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Right
Toxicology
Performed
Flight hours
1,058 total · 912 as pilot in command · 231 in the last 90 days · 84 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 10 knots
Visibility
7 statute miles
Lowest ceiling
7,500 ft broken
Temperature
59 °F, dew point 39 °F
Altimeter
30.00 inHg
Observed at
TYS, 21 nm away

FAA reports on this event · 2

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.