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Atlas / NTSB / ANC80DA069

NTSB CAROL · Event

Event ANC80DA069

1980-07-20 JUNEAU, Alaska, United States Serious 1 aircraft Status: Completed

Registry · N9750Z

FAA Aircraft Registry record.

Make / Model

GRUMMAN G-21A

Engine

P&W R-985 SERIES (450 hp)

Seats / Engines

8 seats · 2 engines

Last airworthiness date

19610323

ADS-B equipped

Yes — Mode-S AD98A8

Registrant of record

AUKES BRIAN E

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

GRUMMAN G-21A · N9750Z

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

EE

Operator type

E

Airport

JUNEAU INTL

Kind of flying

CI

Weather at impact

Sky

OVERCAST

Wind

080° / 7 kt

Temp

55° F

Aircraft history

Serial number

000000000B32

Total time

7,621 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,495

Age

31

Probable cause (from PRE1982.MDB)

AYER OF SURFACE FOG.

Investigator remarks

ATMTD PRECAUTIONARY LNDG ON WTR COVERED W THIN L

Cause factors

  • 64/A/04 A
    PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 64/A/53 A
    PILOT IN COMMAND MISJUDGED ALTITUDE Cause — pilot/personnel action
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 82/J/B J
    WEATHER RAIN Joint cause
  • 82/J/C J
    WEATHER FOG 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 2175. Source file NTSB_1980_3_2175.txt. Modern CAROL record on data.ntsb.gov ↗.