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Atlas / NTSB / SEA72DTI05

NTSB CAROL · Event

Event SEA72DTI05

1971-08-21 CHESTER, Montana, 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

DEHAVILLAND DH 104 · N1565V

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

Business

Airport

LIBERTY COUNTY

Kind of flying

B3

Weather at impact

Sky

CLEAR

Wind

225° / 18 kt

Temp

70° F

Aircraft history

Serial number

000000004451

Total time

7,450 hrs

Pilot

Certificate

GA (GA)

Total hours

6,384

Age

40

Probable cause (from PRE1982.MDB)

LD,R TIRE BLEW.SWERVED DRG LDG ROLL R GR COLLAPSED

Investigator remarks

HIT 2FT HI ANGLE IRON FRAME ABT 20FT BFR THRESHO

Cause factors

  • 64/C/15 C
    PILOT IN COMMAND FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS Cause
  • 68/C/H1 C
    PERSONNEL FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION Cause
  • 80/L/BE L
    AIRPORTS/AIRWAYS/FACILITIES UNMARKED OBSTRUCTIONS
  • 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 3132. Source file NTSB_1971_3_3132.txt. Modern CAROL record on data.ntsb.gov ↗.