Atlas / NTSB / NYC78FHM04

NTSB CAROL · Event

Event NYC78FHM04

1977-09-06 LINCOLN PARK, New Jersey, United States None 1 aircraft Status: Completed

Aircraft involved

N2686 HILLER ACFT UH-12C 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

HILLER ACFT UH-12C · N2686

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Airport

LINCOLN PARK

Kind of flying

DL

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

Z

Total time

2,600 hrs

Pilot

Certificate

Commercial — instrument

Total hours

155

Age

39

Probable cause (from PRE1982.MDB)

N SHOES WORN BEYOND MFG LIMITS. AIRSPEED LOW.

Investigator remarks

THE AUTOMATIC CENTRIFUGAL MERCURY CLUTCH FRICTIO

Cause factors

68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
78/C/BJ C
ROTORCRAFT CLUTCH ASSEMBLY Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause

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 4282. Source file NTSB_1977_3_4282.txt. Modern CAROL record on data.ntsb.gov ↗.

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