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Atlas / NTSB / CHI81IA067

NTSB CAROL · Event

Event CHI81IA067

1981-06-23 CHICAGO, Illinois, United States None 1 aircraft Status: Completed

Registry · N160MA

FAA Aircraft Registry record.

Make / Model

ESTUMKEDA LTD DBA MICCO ACFT MAC-145B

Year of manufacture

2001

Engine

LYCOMING IO-540 SER (300 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20020328

ADS-B equipped

Yes — Mode-S A0F2C2

Registrant of record

WELLS SCOTT A

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

SWEARINGEN 226TC · N160MA

Damage

None

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

E

Airport

O'HARE

Kind of flying

CI

Weather at impact

Sky

BROKEN

Temp

66° F

Aircraft history

Serial number

000000TC-234

Total time

8,104 hrs

Pilot

Certificate

DA (DA)

Total hours

4,500

Age

35

Investigator remarks

STALL HORN & STICK PUSHER ACTIVATED 3-4DEG EARLY

Cause factors

  • 68/A/D0 A
    PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause — pilot/personnel action
  • 75/A/CY A
    SYSTEMS OTHER Cause — pilot/personnel action
  • 88/A/47 A
    MISCELLANEOUS ACTS,CONDITIONS IMPROPER ALIGNMENT/ADJUSTMENT Cause — pilot/personnel action

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 5 0043. Source file NTSB_1981_5_0043.txt. Modern CAROL record on data.ntsb.gov ↗.