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Atlas / NTSB / SEA77FYP32

NTSB CAROL · Event

Event SEA77FYP32

1977-07-01 HUNTERS, Washington, 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

STEARMAN A75N1 · N68200

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DD

Operator type

D

Kind of flying

CB

Weather at impact

Sky

CLEAR

Wind

180° / 5 kt

Temp

83° F

Aircraft history

Serial number

0000075-7415

Total time

5,718 hrs

Pilot

Certificate

Commercial

Total hours

406

Age

24

Probable cause (from PRE1982.MDB)

MOUNTAINOUS TERRAIN.DENS ALT OVER 5000FT.

Investigator remarks

PLT RPTS DOWNDRAFT ENCOUNTER.STRUCK TREE.WOODED

Cause factors

  • 64/A/27 A
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
  • 88/J/14 J
    MISCELLANEOUS ACTS,CONDITIONS UNWARRANTED LOW FLYING Joint cause
  • 82/J/M J
    WEATHER DOWNDRAFT,UPDRAFTS Joint cause
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE Joint cause
  • 88/J/24 J
    MISCELLANEOUS ACTS,CONDITIONS JETTISONED LOAD 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 2209. Source file NTSB_1977_3_2209.txt. Modern CAROL record on data.ntsb.gov ↗.