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Atlas / NTSB / UNK64X2778

NTSB CAROL · Event

Event UNK64X2778

1964-07-12 BELLE FOURCHE, South Dakota, United States Fatal 1 aircraft Status: Completed

Registry · N74350

FAA Aircraft Registry record.

Make / Model

GRUMMAN AMERICAN AA-5B

Year of manufacture

1975

Engine

LYCOMING O&VO-360 SER (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19751219

ADS-B equipped

Yes — Mode-S AA00CF

Registrant of record

TRUONG PHILIPPE M

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

BELLANCA 14132 · N74350

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

EJ

Operator type

Part 91 (general aviation)

Airport

BUS FIELD

Kind of flying

B0

Weather at impact

Sky

CLEAR

Pilot

Certificate

B2 (B2)

Total hours

4,022

Age

577

Investigator remarks

GROUND AND FLIGHT TIME OF FLIGHT OVER 18 HOURS

Cause factors

  • 64/A/53 A
    PILOT IN COMMAND MISJUDGED ALTITUDE Cause — pilot/personnel action
  • 88/A/62 A
    MISCELLANEOUS ACTS,CONDITIONS PILOT FATIGUE Cause — pilot/personnel action
  • 64/1/08 1
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Subordinate · 1

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 2 0326. Source file NTSB_1964_2_0326.txt. Modern CAROL record on data.ntsb.gov ↗.