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Atlas / NTSB / MKC80FA013

NTSB CAROL · Event

Event MKC80FA013

1979-12-11 LEE'S SUMMIT, Missouri, United States None 1 aircraft Status: Completed

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

PIPER PA-31 · N7511L

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

D1

Operator type

E

Airport

MCCOMAS LEE'S SUM

Kind of flying

CI

Weather at impact

Sky

OVERCAST

Wind

335° / 15 kt

Temp

34° F

Aircraft history

Serial number

00000031-837

Pilot

Certificate

GA (GA)

Total hours

2,200

Age

34

Probable cause (from PRE1982.MDB)

TURBC NOT FORECASTED.

Investigator remarks

WINGS DMGD DRG RECOVERY FRM TURBC UPSET.LNDD OK.

Cause factors

  • 68/C/F0 C
    PERSONNEL INCORRECT WEATHER FORECAST Cause
  • 82/C/L C
    WEATHER TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS Cause
  • 82/C/M C
    WEATHER DOWNDRAFT,UPDRAFTS Cause
  • 64/B/23 B
    PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS
  • 64/B/09 B
    PILOT IN COMMAND EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
  • 70/K/AE K
    AIRFRAME SKIN AND ATTACHMENTS Joint factor
  • 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 3703. Source file NTSB_1979_3_3703.txt. Modern CAROL record on data.ntsb.gov ↗.