ATL90LA052

NTSB accident investigation · Aero Commander 680E · Knoxville, TN · January 18, 1990

Accident · Serious injuriesLimited investigationFinal report
Date
January 18, 1990, 10:05 local (15:05 UTC)
Place
Knoxville, TN
Injuries
3 serious
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N612GAero Commander 680E
Weather
Instrument (IMC) · Day
Status
Completed · report December 4, 1992
Report
Approved by Office Director
FAA report
19900118000729A
Case key
8200

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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Probable cause

The pilot's excessive airspeed and delay in initiating a go-around during the landing. Factors related to the accident were: the wet runway condition, the pilot's failure to attain the proper touchdown point for the landing, and his lack of flying experience in the type of aircraft.

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.

OverrunLanding - roll
Airport facilities,runway/landing area condition - wetFactor
Proper touchdown point - not attainedPilot in commandFactor
Airspeed - excessivePilot in commandCause
Go-around - delayedPilot in commandCause
Aborted landing - not attainedPilot in command
Lack of total experience in type of aircraftPilot in commandFactor
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - rough/unevenFactor

Analysis

After breaking out high on a localizer rwy 26 apch, the plt elected to circle for lndg on rwy 8. He rprtd that the acft touched down on the 1st qtr of the 3497' rwy, but witnesses rprtd it lndd about midway down the rwy. The estd lndg wt was 7000 lbs. The winds were rprtd fm 240 deg at 5 KTS. After touchdown, the plt believed the acft was hydroplaning. He was uncertain that he could stop the acft on the remaining rwy & atmtd a go-arnd. He raised flaps to the 1/4 psn & advanced the throttles. The plt stated that the left eng did not immediately respond & the acft drifted to the left. He then atmtd to stop the acft on the rwy, but it angled off the rwy nr the dep end. Subsequently, the acft impacted rough trrn at a river bank byd the end of the rwy & was substantially dmgd. The plt had about 43 hrs of multi-eng experience with 28 hrs flt time in the acdnt acft.

Aircraft

Registration
N612G
Reported as
Aero Commander 680E
Category
Airplane
Serial number
68035645
Airframe hours
7,440
Engine
Lycoming GSO-480-B1A6, 340 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
James A. Shields
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 1, 1989 · 30 hours before
Departed
RNC · Mcminnville, TN
Flight plan
IFR
Airport
DKX · Knoxville Downtown Island, runway 8, 3,497 × 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

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
29
Certificates
Commercial, Flight instructor
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
409 total · 28 in this make and model · 358 as pilot in command · 86 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
240° at 5 knots
Visibility
2 statute miles
Lowest ceiling
800 ft overcast
Temperature
57 °F, dew point 57 °F
Altimeter
30.00 inHg
Observed at
TYS, 12 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.