Skip to content

Atlas / NTSB / CHI81FEG13

NTSB CAROL · Event

Event CHI81FEG13

1981-06-27 HAMILTON, Ohio, United States Serious 1 aircraft Status: Completed

Registry · N17457

FAA Aircraft Registry record.

Make / Model

WACO ZKS-7

Year of manufacture

1937 · 44 years old at event

Engine

JACOBS R-755A2 (300 hp)

Seats / Engines

5 seats · 1 engine

Last airworthiness date

20130124

ADS-B equipped

Yes — Mode-S A12B30

Registrant of record

COURNOYER JOHN J

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

WACO YKS7 · N17457

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

HAMILTON

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

070° / 6 kt

Temp

70° F

Aircraft history

Serial number

000000004600

Total time

1,155 hrs

Pilot

Certificate

Commercial

Total hours

8,300

Age

59

Cause factors

  • 64/C/21 C
    PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
  • 88/C/02 C
    MISCELLANEOUS ACTS,CONDITIONS ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE Cause
  • 88/C/72 C
    MISCELLANEOUS ACTS,CONDITIONS ICE-CARBURETOR Cause
  • 82/L/G L
    WEATHER CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING

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 1435. Source file NTSB_1981_3_1435.txt. Modern CAROL record on data.ntsb.gov ↗.