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Atlas / NTSB / MKC74AK057

NTSB CAROL · Event

Event MKC74AK057

1974-04-01 TERRE HAUTE, Indiana, United States Serious 1 aircraft Status: Completed

Registry · N833TW

FAA Aircraft Registry record.

Make / Model

CESSNA 172RG

Engine

LYCOMING O&VO-360 SER (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19791220

ADS-B equipped

Yes — Mode-S AB653D

Registrant of record

DESERT WIND WINGS LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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

BOEING 727-31 · N833TW

Damage

None

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

D1

Weather at impact

Sky

OVERCAST

Aircraft history

Serial number

000000018903

Total time

22,775 hrs

Pilot

Certificate

DA (DA)

Total hours

6,442

Age

38

Probable cause (from PRE1982.MDB)

HEN THROWN FM SEAT DRG TURBC ENCTR.

Investigator remarks

SAFETY BELT NOT SECURED.ELDERLY LADY BROKE LEG W

Cause factors

  • 82/A/L A
    WEATHER TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS Cause — pilot/personnel action
  • 68/A/K4 A
    PERSONNEL PASSENGER Cause — pilot/personnel action
  • 88/A/12 A
    MISCELLANEOUS ACTS,CONDITIONS SEAT BELT NOT FASTENED Cause — pilot/personnel action
  • 88/J/CZ J
    MISCELLANEOUS ACTS,CONDITIONS SEAT BELT SIGN ON Joint cause

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 1 0018. Source file NTSB_1974_1_0018.txt. Modern CAROL record on data.ntsb.gov ↗.