Atlas / NTSB / MKC73DKW15

NTSB CAROL · Event

Event MKC73DKW15

1973-01-07 CHATTANOOGA, Tennessee, United States None 1 aircraft Status: Completed

Aircraft involved

N664MC Swearingen SA226T None

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

SWEARINGEN SA226T · N664MC

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

IMC

Phase of flight

Cruise — descent (EF)

Operator type

Business

Airport

LOVELL

Kind of flying

B3

Weather at impact

Sky

OVERCAST

Wind

050° / 5 kt

Temp

27° F

Aircraft history

Serial number

00000000T214

Total time

1,172 hrs

Pilot

Certificate

DA (DA)

Total hours

18,746

Age

53

Probable cause (from PRE1982.MDB)

INCHES SNOW ON RWY BFOR LDG.

Investigator remarks

RWY COND NOT NOTAMED. TWR TOLD CREW ABOUT 1 3/4

Cause factors

64/C/79 C
PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL Cause
80/C/BB C
AIRPORTS/AIRWAYS/FACILITIES ICE/SLUSH ON RUNWAY Cause
68/L/H1 L
PERSONNEL FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION
82/L/D L
WEATHER SNOW
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 3 0285. Source file NTSB_1973_3_0285.txt. Modern CAROL record on data.ntsb.gov ↗.

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