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Atlas / NTSB / CHI72DEE34

NTSB CAROL · Event

Event CHI72DEE34

1971-09-17 ROCKFORD, Illinois, United States None 1 aircraft Status: Completed

Registry · N125ET

FAA Aircraft Registry record.

Make / Model

CESSNA 310B

Year of manufacture

1958 · 13 years old at event

Engine

CONT MOTOR O-470 SERIES (230 hp)

Seats / Engines

5 seats · 2 engines

Last airworthiness date

19580425

ADS-B equipped

Yes — Mode-S A066BB

Registrant of record

GRINDELAND ETHAN P

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

CESSNA 310B · N125ET

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

GREATER ROCKFORD

Kind of flying

A0

Weather at impact

Sky

BROKEN/LOWER SCATTERED

Aircraft history

Serial number

000000035706

Total time

3,461 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

715

Age

34

Investigator remarks

DMG TO ACFT WNG STRUCTURE FM HRD NGT LDG.

Cause factors

  • 66/A/49 A
    DUAL STUDENT Cause — pilot/personnel action
  • 64/A/30 A
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT 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 3 3743. Source file NTSB_1971_3_3743.txt. Modern CAROL record on data.ntsb.gov ↗.