Atlas / NTSB / IAD77FA018

NTSB CAROL · Event

Event IAD77FA018

1977-01-29 CHATTANOOGA, Tennessee, United States Fatal 1 aircraft Status: Completed

Aircraft involved

N7506V Cessna 177RG Fatal

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 177RG · N7506V

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

Personal/private

Airport

LOVELL FIELD

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

250° / 8 kt

Temp

18° F

Aircraft history

Serial number

000177RG0805

Total time

715 hrs

Pilot

Certificate

Commercial — instrument

Total hours

116

Age

25

Probable cause (from PRE1982.MDB)

G MAGNET SEVERELY SCORED.

Investigator remarks

R MAG FIRED 15DEG BTDC,25DEG RECOMMENDED.ROTATIN

Cause factors

68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
74/C/BA C
POWERPLANT MAGNETOS Cause
88/C/47 C
MISCELLANEOUS ACTS,CONDITIONS IMPROPER ALIGNMENT/ADJUSTMENT Cause
64/C/21 C
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
64/B/15 B
PILOT IN COMMAND FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
68/L/J0 L
PERSONNEL SUBSTANDARD QUALITY CONTROL

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 0336. Source file NTSB_1977_3_0336.txt. Modern CAROL record on data.ntsb.gov ↗.

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