NTSB CAROL · Event
Event CHI71DBD64
Registry · N3487D
FAA Aircraft Registry record.
Make / Model
CESSNA 170B
Year of manufacture
1955 · 16 years old at event
Engine
CONT MOTOR 0-300 SER (145 hp)
Seats / Engines
4 seats · 1 engine
ADS-B equipped
Yes — Mode-S A3DE57
Registrant of record
SOWLES JOHN W
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
CESSNA 170 · N3487D
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
B1
Operator type
D
Airport
GREATER ROCKFORD
Kind of flying
B0
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
000017027030
Total time
1,811 hrs
Pilot
Certificate
Commercial — instrument
Total hours
513
Age
44
Investigator remarks
HIT STEEL LIGHT POLE.
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 1213.
Source file
NTSB_1971_3_1213.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2019 · Abstract
Wetting Angle and Surface Tension of Germanium Melts on Different Substrate Materials
The sessile drop technique has been used to measure the wetting angle and the surface tension of molten germanium (Ge) on various substrate materials.
- NASA NTRS 2019 · Abstract
Determination of the Wetting Angle of Germanium and Germanium-Silicon Melts on Different Substrate Materials
During Bridgman growth of semiconductors detachment of the crystal and the melt meniscus has occasionally been observed, mainly under microgravity (microg) conditions.
- NASA NTRS 2019 · Abstract
Contact Angles and Surface Tension of Germanium-Silicon Melts
Precise knowledge of material parameters is more and more important for improving crystal growth processes. Two important parameters are the contact (wetting) angle and the surface tension, determinin…
- arXiv 2019 · arXiv preprint
Heat and water vapor transfer in the wake of a falling ice sphere and its implication for secondary ice formation in clouds
We perform direct numerical simulations of the settling of an ice sphere in an ambient fluid accounting for heat and mass transfer with the aim of studying in a meteorological context the case of fall…
Browse the full corpus — academia portal ↗