Atlas / NTSB / NYC72FNA10

NTSB CAROL · Event

Event NYC72FNA10

1971-09-02 NORWOOD, Massachusetts, United States None 1 aircraft Status: Completed

Registry · N4012G

FAA Aircraft Registry record.

Make / Model

AYRES CORPORATION S2R-R3S

Engine

AMA/EXPR UNKNOWN ENG

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19790801

ADS-B equipped

Yes — Mode-S A4B2FD

Registrant of record

MORRIS EQUIPMENT LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N4012G Bell 47G-4A None

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

BELL 47G-4A · N4012G

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D4

Operator type

Personal/private

Airport

NORWOOD

Kind of flying

DD

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000007641

Total time

2,025 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

3,300

Age

28

Probable cause (from PRE1982.MDB)

L HEL N1185W,S DMG,PLT LOST DRCTNL CTL,HIT HANGAR.

Investigator remarks

PICKED HEL UP TO A HOVER,T/R HIT M/R BLDS OF BEL

Cause factors

64/A/54 A
PILOT IN COMMAND MISJUDGED CLEARANCE 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 3253. Source file NTSB_1971_3_3253.txt. Modern CAROL record on data.ntsb.gov ↗.

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