NTSB CAROL · Event
Event OAK68A0050
Registry · N8501F
FAA Aircraft Registry record.
Make / Model
BOMBARDIER INC CL-600-2B19
Year of manufacture
2001
Engine
GE CF34 SERIES
Seats / Engines
55 seats · 2 engines
Last airworthiness date
20010712
ADS-B equipped
Yes — Mode-S ABA9D9
Registrant of record
DELTA AIR LINES INC
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
BELL 47J-2A · N8501F
Damage
Destroyed
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EB
Operator type
E
Airport
HANALEI PLANTATON
Kind of flying
CI
Weather at impact
Sky
CLEAR
Wind
030° / 5 kt
Temp
75° F
Aircraft history
Total time
1,540 hrs
Pilot
Certificate
Commercial
Total hours
2,200
Age
23
Probable cause (from PRE1982.MDB)
TWEEN SHELL AND GRIP.
Investigator remarks
MANUFACTURING DEFECT,LACK OF BONDING MATERIAL BE
Cause factors
- 78/C/AB C ROTORCRAFT TAIL ROTOR BLADES Cause
- 88/C/36 C MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
- 68/C/J0 C PERSONNEL SUBSTANDARD QUALITY CONTROL Cause
- 88/J/49 J MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT Joint 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
2 1121.
Source file
NTSB_1967_2_1121.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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