Atlas / NTSB / CHI80FEE42

NTSB CAROL · Event

Event CHI80FEE42

1980-08-14 DEKALB, Illinois, United States Serious 1 aircraft Status: Completed

Registry · N441RH

FAA Aircraft Registry record.

Make / Model

ROBINSON HELICOPTER R44

Year of manufacture

1997

TCDS

H11NM · ROBINSON HELICOPTER CO

Engine

LYCOMING 0-540 SERIES (250 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19971208

ADS-B equipped

Yes — Mode-S A54FD3

Registrant of record

HOBBS JONNIE L

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N441RH Bede 4 Serious

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

BEDE 4 · N441RH

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

D

Airport

DEKALB

Kind of flying

B0

Weather at impact

Sky

OVERCAST

Wind

240° / 8 kt

Temp

72° F

Aircraft history

Serial number

0L-16911-36A

Total time

41 hrs

Pilot

Certificate

Commercial — instrument

Total hours

388

Age

55

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 3440. Source file NTSB_1980_3_3440.txt. Modern CAROL record on data.ntsb.gov ↗.

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