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Atlas / NTSB / SEA68D0318

NTSB CAROL · Event

Event SEA68D0318

1968-05-11 DEER PARK, 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

AERONCA 7AC · N2273E

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

DEER PARK

Kind of flying

A3

Weather at impact

Sky

CLEAR

Wind

135° / 7 kt

Temp

75° F

Aircraft history

Total time

2,897 hrs

Pilot

Certificate

Airline transport

Total hours

80

Age

28

Probable cause (from PRE1982.MDB)

BROKE OFF.

Investigator remarks

STRUCK ROAD SIGN,LNDG ON ROAD.3 INS OF BLADE TIP

Cause factors

  • 74/C/FA C
    POWERPLANT BLADES Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
  • 88/L/49 L
    MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT

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 1371. Source file NTSB_1968_3_1371.txt. Modern CAROL record on data.ntsb.gov ↗.