Atlas / NTSB / SEA70DWD18

NTSB CAROL · Event

Event SEA70DWD18

1970-06-06 BELLINGHAM, Washington, United States Minor 1 aircraft Status: Completed

Aircraft involved

N98722 Piper J-3 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

PIPER J-3 · N98722

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

D

Airport

LAKE WHATCOM

Kind of flying

A3

Weather at impact

Sky

CLEAR

Wind

180° / 12 kt

Aircraft history

Serial number

000000018951

Total time

1,744 hrs

Pilot

Certificate

Airline transport

Total hours

37

Age

17

Probable cause (from PRE1982.MDB)

0FT AGL ABT 100FT FROM SHORE LINE.

Investigator remarks

FLOAT EQUIPPED.WIND GUSTING 18K.HIT TREE APRX 10

Cause factors

64/C/46 C
PILOT IN COMMAND MISJUDGED DISTANCE AND SPEED Cause
64/C/28 C
PILOT IN COMMAND IMPROPER COMPENSATION FOR WIND CONDITIONS Cause
68/C/C0 C
PERSONNEL INADEQUATE SUPERVISION OF FLIGHT Cause
82/C/H C
WEATHER UNFAVORABLE WIND CONDITIONS Cause
83/B/I B
TERRAIN HIGH OBSTRUCTIONS

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 2436. Source file NTSB_1970_3_2436.txt. Modern CAROL record on data.ntsb.gov ↗.

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