Atlas / NTSB / SEA79DYP05

NTSB CAROL · Event

Event SEA79DYP05

1978-12-17 COEUR D'ALENE, Idaho, United States None 1 aircraft Status: Completed

Registry · N40314

FAA Aircraft Registry record.

Make / Model

MAULE M-4-220C

Year of manufacture

1971 · 7 years old at event

Engine

FRANKLIN 6A-350SER (235 hp)

Seats / Engines

4 seats · 1 engine

ADS-B equipped

Yes — Mode-S A4BA5E

Registrant of record

HUSBANDS JASON

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N40314 Maule M4220C None

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

MAULE M4220C · N40314

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

IMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

COEUR D'ALENE

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

350° / 10 kt

Temp

30° F

Aircraft history

Serial number

00000002090C

Total time

365 hrs

Pilot

Certificate

Commercial

Total hours

3,980

Age

30

Probable cause (from PRE1982.MDB)

GRND SNOW COVERED.

Investigator remarks

LND TO L OF RWY IN DEEP SNOW. RWY LTS INOP,RWY &

Cause factors

64/A/29 A
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
64/A/35 A
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
88/A/13 A
MISCELLANEOUS ACTS,CONDITIONS NOT ALIGNED WITH RUNWAY/INTENDED LANDING AREA Cause — pilot/personnel action
80/J/BY J
AIRPORTS/AIRWAYS/FACILITIES OTHER 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 3653. Source file NTSB_1978_3_3653.txt. Modern CAROL record on data.ntsb.gov ↗.

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