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Atlas / NTSB / SEA77FTI02

NTSB CAROL · Event

Event SEA77FTI02

1976-11-07 WHITEFISH, Montana, United States None 1 aircraft Status: Completed

Registry · N8746B

FAA Aircraft Registry record.

Make / Model

CESSNA 172

Year of manufacture

1957 · 19 years old at event

Engine

CONT MOTOR 0-300 SER (145 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19571125

ADS-B equipped

Yes — Mode-S AC085E

Registrant of record

HEFFRON JACOB L

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

CESSNA 172 · N8746B

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C0

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

54° F

Aircraft history

Serial number

000517509776

Total time

15,910 hrs

Pilot

Certificate

Commercial

Total hours

506

Age

31

Probable cause (from PRE1982.MDB)

D. CONT FLT,FURTHER DMG ON LDG.

Investigator remarks

NOSE GEAR FAILED DURING TAKEOFF FROM PLOWED FIEL

Cause factors

  • 64/A/35 A
    PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
  • 83/A/F A
    TERRAIN ROUGH/UNEVEN Cause — pilot/personnel action
  • 88/J/94 J
    MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 3 3276. Source file NTSB_1976_3_3276.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗