Atlas / NTSB / SEA71FWA01

NTSB CAROL · Event

Event SEA71FWA01

1970-07-04 HILLSBORO, Oregon, United States Serious 1 aircraft Status: Completed

Aircraft involved

N9915Y Aeronca 7GCB Serious

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 7GCB · N9915Y

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D9

Operator type

Personal/private

Airport

EAGLE GLIDERPORT

Kind of flying

DI

Weather at impact

Sky

CLEAR

Wind

270° / 10 kt

Temp

80° F

Aircraft history

Serial number

000000000138

Total time

1,093 hrs

Pilot

Certificate

Commercial

Total hours

945

Age

25

Probable cause (from PRE1982.MDB)

TO NOSE DWN,BOTH PLTS SLOW TO RELEASE.

Investigator remarks

UPDRAFT CAUSED GLIDER TO ASCEND,CAUSED TOW ACFT

Cause factors

64/A/20 A
PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. Cause — pilot/personnel action
68/A/K0 A
PERSONNEL PILOT OF OTHER AIRCRAFT Cause — pilot/personnel action
88/A/07 A
MISCELLANEOUS ACTS,CONDITIONS IMPROPER EMERGENCY PROCEDURES Cause — pilot/personnel action
82/J/M J
WEATHER DOWNDRAFT,UPDRAFTS 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 2902. Source file NTSB_1970_3_2902.txt. Modern CAROL record on data.ntsb.gov ↗.

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