Atlas / NTSB / SEA66A0038

NTSB CAROL · Event

Event SEA66A0038

1965-12-22 SEASIDE, Oregon, United States Minor 1 aircraft Status: Completed

Aircraft involved

N73893 Sikorsky S-55 Minor

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

SIKORSKY S-55 · N73893

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Public use

Airport

SEASIDE

Kind of flying

CT

Weather at impact

Sky

CLEAR

Wind

025° / 5 kt

Pilot

Certificate

Flight instructor (CFI)

Total hours

7,716

Age

30

Probable cause (from PRE1982.MDB)

TORS STRUCK SWELLS,CAUSED ROLL OVER.

Investigator remarks

ACFT FLOAT EQUIP. LANDING SUCCESSFUL BUT MAIN RO

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
83/B/G B
TERRAIN ROUGH WATER
88/K/88 K
MISCELLANEOUS ACTS,CONDITIONS AIRCRAFT CAME TO REST IN WATER 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 2 1108. Source file NTSB_1965_2_1108.txt. Modern CAROL record on data.ntsb.gov ↗.

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