NTSB CAROL · Event
Event UNK64X3925
Registry · N11H
FAA Aircraft Registry record.
Make / Model
HOEFFEL JAN HOEFFEL SX300
Engine
LYCOMING IO-540 SER (300 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19930629
ADS-B equipped
Yes — Mode-S A02A89
Registrant of record
GONZALEZ RICHARD J
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 47B3 · N11H
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EE
Operator type
Personal/private
Airport
ONTARIO INTL
Kind of flying
B1
Weather at impact
Sky
CLEAR
Aircraft history
Total time
6,988 hrs
Pilot
Certificate
Flight instructor (CFI)
Total hours
10,000
Age
52
Investigator remarks
PILOT PRACTICING AUTOROTATIVE LANDING.
Cause factors
- 64/A/25 A PILOT IN COMMAND IMPROPER LEVEL OFF Cause — pilot/personnel action
- 64/A/23 A PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS Cause — pilot/personnel action
- 64/J/44 J PILOT IN COMMAND SPONTANEOUS-IMPROPER ACTION Joint cause
- 88/J/85 J MISCELLANEOUS ACTS,CONDITIONS SIMULATED CONDITIONS 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 0775.
Source file
NTSB_1964_2_0775.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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