Atlas / NTSB / SEA72AS024

NTSB CAROL · Event

Event SEA72AS024

1971-12-16 MCCALL, Idaho, United States Serious 1 aircraft Status: Completed

Registry · N1028C

FAA Aircraft Registry record.

Make / Model

BOEING A75N1(PT17)

Year of manufacture

1941 · 30 years old at event

Engine

CONT MOTOR W670-6A (220 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20251204

ADS-B equipped

Yes — Mode-S A00F95

Registrant of record

COURTNEY BRENT C

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N1028C Beech 65-B80 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

BEECH 65-B80 · N1028C

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

EB

Operator type

E

Airport

MCCALL

Kind of flying

CI

Weather at impact

Sky

OVERCAST

Temp

20° F

Aircraft history

Serial number

000000LD-355

Total time

3,521 hrs

Pilot

Certificate

GA (GA)

Total hours

3,477

Age

29

Probable cause (from PRE1982.MDB)

TED AIRFRAME AREA.LOWERED GR PREMATURELY ON APCH.

Investigator remarks

UN MAINTAIN ALT DUE MDT-SEVERE ICING ON UNPROTEC

Cause factors

82/C/F C
WEATHER ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC. Cause
88/C/74 C
MISCELLANEOUS ACTS,CONDITIONS AIRFRAME ICE Cause
64/L/29 L
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
64/L/20 L
PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.

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 4221. Source file NTSB_1971_3_4221.txt. Modern CAROL record on data.ntsb.gov ↗.

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