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Atlas / NTSB / ANC77FA067

NTSB CAROL · Event

Event ANC77FA067

1977-08-04 BETTLES, Alaska, United States Fatal 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 DHC-3 · N48064

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

E

Kind of flying

CJ

Weather at impact

Sky

OBSCURATION

Wind

270° / 10 kt

Temp

70° F

Aircraft history

Serial number

000000000278

Total time

5,412 hrs

Pilot

Certificate

Commercial

Total hours

5,000

Age

39

Probable cause (from PRE1982.MDB)

ES,STEEP RVR BANK AT BEND.

Investigator remarks

TKOF FRM RVR GRAVEL BAR TOWARD BEND IN RIVER.TRE

Cause factors

  • 64/A/71 A
    PILOT IN COMMAND MISUSED OR FAILED TO USE FLAPS Cause — pilot/personnel action
  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
  • 64/A/45 A
    PILOT IN COMMAND MISJUDGED DISTANCE,SPEED,AND ALTITUDE Cause — pilot/personnel action
  • 64/A/81 A
    PILOT IN COMMAND FAILED TO ABORT TAKEOFF Cause — pilot/personnel action
  • 83/J/J J
    TERRAIN LOOSE GRAVEL Joint cause
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS Joint cause
  • 82/J/M J
    WEATHER DOWNDRAFT,UPDRAFTS Joint cause
  • 82/J/V J
    WEATHER OBSTRUCTIONS TO VISION Joint cause
  • 84/J/7 J
    MISCELLANEOUS EVASIVE MANEUVER TO AVOID COLLISION 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 3614. Source file NTSB_1977_3_3614.txt. Modern CAROL record on data.ntsb.gov ↗.