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Atlas / NTSB / SEA76AS012

NTSB CAROL · Event

Event SEA76AS012

1975-08-21 BRINNON, Washington, United States Fatal 1 aircraft Status: Completed

Registry · N21022

FAA Aircraft Registry record.

Make / Model

CESSNA 172S

Year of manufacture

2004

Engine

LYCOMING IO-360-L2A (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

20040623

ADS-B equipped

Yes — Mode-S A1BC3B

Registrant of record

AMERIFLYERS OF TEXAS INC

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

CESSNA 182P · N21022

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Part 91 (general aviation)

Kind of flying

B0

Weather at impact

Sky

OVERCAST/LOWER SCATTERED

Temp

66° F

Aircraft history

Serial number

000018261365

Total time

2,240 hrs

Pilot

Certificate

Commercial — instrument

Total hours

500

Age

54

Probable cause (from PRE1982.MDB)

STA SETTING 30.04.

Investigator remarks

FLEW INTO OBSCURED MTN. ALT SETTING 30.12,NEARBY

Cause factors

  • 64/A/04 A
    PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS Joint cause
  • 88/J/01 J
    MISCELLANEOUS ACTS,CONDITIONS ALTIMETER SETTING-INCORRECT 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 3239. Source file NTSB_1975_3_3239.txt. Modern CAROL record on data.ntsb.gov ↗.