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Atlas / NTSB / SEA79DYK18

NTSB CAROL · Event

Event SEA79DYK18

1979-06-15 SISTERS, Oregon, United States Minor 1 aircraft Status: Completed

Registry · N1030

FAA Aircraft Registry record.

Make / Model

BEECH D17S

Year of manufacture

1940 · 39 years old at event

Engine

P&W R-985 SERIES (450 hp)

Seats / Engines

5 seats · 1 engine

Last airworthiness date

19560725

ADS-B equipped

Yes — Mode-S A01231

Registrant of record

COFFELT KELLY L

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

BEECH D-17S · N1030

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

SISTERS

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

360° / 10 kt

Aircraft history

Serial number

000000000409

Total time

3,300 hrs

Pilot

Certificate

Commercial

Total hours

1,610

Age

46

Investigator remarks

RAN INTO FENCE.

Cause factors

  • 64/C/01 C
    PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause
  • 70/C/CJ C
    AIRFRAME BRAKING SYSTEM (NORMAL SYSTEM) Cause
  • 88/C/AJ C
    MISCELLANEOUS ACTS,CONDITIONS LEAK/LEAKAGE Cause
  • 88/C/AK C
    MISCELLANEOUS ACTS,CONDITIONS LOW FLUID LEVEL Cause
  • 88/L/AQ L
    MISCELLANEOUS ACTS,CONDITIONS DOWNWIND
  • 83/K/I K
    TERRAIN HIGH OBSTRUCTIONS 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 3 1204. Source file NTSB_1979_3_1204.txt. Modern CAROL record on data.ntsb.gov ↗.