Atlas / NTSB / MIA79FA011

NTSB CAROL · Event

Event MIA79FA011

1978-11-05 ST CROIX, VI, United States None 1 aircraft Status: Completed

Aircraft involved

N74676 Grumman G21A 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

GRUMMAN G21A · N74676

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

E

Airport

W.SEAPLANE BASE

Kind of flying

CI

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

110° / 13 kt

Temp

86° F

Aircraft history

Serial number

000000001172

Total time

24,476 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

8,943

Age

60

Probable cause (from PRE1982.MDB)

200RPM FLUX DURING CLIMBOUT-CONTINUED FLT.

Investigator remarks

25RPM FLUX RPTD ON L ENG PREVIOUS 3 DAYS OF FLT.

Cause factors

64/C/01 C
PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause
64/C/27 C
PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause
64/C/02 C
PILOT IN COMMAND ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL Cause
88/L/48 L
MISCELLANEOUS ACTS,CONDITIONS FAILURE OF TWO OR MORE ENGINES
88/K/88 K
MISCELLANEOUS ACTS,CONDITIONS AIRCRAFT CAME TO REST IN WATER Joint factor

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 4200. Source file NTSB_1978_3_4200.txt. Modern CAROL record on data.ntsb.gov ↗.

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