Atlas / NTSB / CHI76FEV07

NTSB CAROL · Event

Event CHI76FEV07

1975-08-03 HAVANA, Illinois, United States Minor 1 aircraft Status: Completed

Aircraft involved

N4525A Piper PA-22 Minor

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

PIPER PA-22 · N4525A

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Airport

HAVANA

Kind of flying

B0

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Temp

85° F

Aircraft history

Serial number

0000022-3833

Total time

2,267 hrs

Pilot

Certificate

Commercial — instrument

Total hours

156

Age

35

Probable cause (from PRE1982.MDB)

LETTN 293B COMPLIED WITH. CARB FLOW RICH OVR LIMIT

Investigator remarks

NO RECORD OF AD 63-23-2 AND LYCOMING SERVICE BUL

Cause factors

68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
74/C/CG C
POWERPLANT CARBURETOR Cause
88/C/BQ C
MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE-WEAR/PLAY Cause
64/B/16 B
PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED
83/K/I K
TERRAIN HIGH OBSTRUCTIONS 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 2648. Source file NTSB_1975_3_2648.txt. Modern CAROL record on data.ntsb.gov ↗.

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