Atlas / NTSB / NYC77DHA16

NTSB CAROL · Event

Event NYC77DHA16

1977-02-16 BLAIRSTOWN, New Jersey, United States None 1 aircraft Status: Completed

Aircraft involved

N73292 Bell 47G-4 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-4 · N73292

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise climb (DB)

Operator type

Business

Kind of flying

CG

Weather at impact

Sky

CLEAR

Wind

225° / 15 kt

Temp

35° F

Aircraft history

Serial number

000000003144

Total time

5,818 hrs

Pilot

Certificate

Commercial

Total hours

5,674

Age

28

Probable cause (from PRE1982.MDB)

LE PORTION OF THE ROD.

Investigator remarks

ENGINE NR 4 CONNECTING ROD FAILED AT THE BOLT HO

Cause factors

74/C/AC C
POWERPLANT MASTER AND CONNECTING RODS Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/K/I K
TERRAIN HIGH OBSTRUCTIONS Joint factor

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 0408. Source file NTSB_1977_3_0408.txt. Modern CAROL record on data.ntsb.gov ↗.

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