NTSB CAROL · Event
Event DEN67F0011
Registry · N2352Z
FAA Aircraft Registry record.
Make / Model
PIPER PA-23-250
Year of manufacture
1979
Engine
LYCOMING IO-540 SER (300 hp)
Seats / Engines
6 seats · 2 engines
Last airworthiness date
19791120
ADS-B equipped
Yes — Mode-S A21DC9
Registrant of record
PACIFIC FLEET AVIATION LLC
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
BEEC 23 · N2352Z
Damage
Destroyed
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D1
Operator type
D
Kind of flying
B0
Weather at impact
Sky
CLEAR
Wind
270° / 7 kt
Temp
82° F
Aircraft history
Total time
768 hrs
Pilot
Certificate
Commercial — instrument
Total hours
111
Age
28
Probable cause (from PRE1982.MDB)
AN AREA OF MOUNTAINOUS TERRAIN.
Investigator remarks
INITIAL ALTITUDE WAS TOO LOW WHEN PILOT ENTERED
Cause factors
- 64/A/52 A PILOT IN COMMAND MISJUDGED ALTITUDE AND CLEARANCE Cause — pilot/personnel action
- 82/J/M J WEATHER DOWNDRAFT,UPDRAFTS Joint cause
- 82/J/W J WEATHER HIGH DENSITY ALTITUDE 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 0255.
Source file
NTSB_1966_2_0255.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 2026 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- Flight Safety Foundation 2024 · FSF / AeroSafety World
Helicopter Safety Performance Data 2023
Foundation 2023 helicopter safety performance data — global accident rates by mission profile (HEMS, off-shore oil, air-tour, agricultural, news/utility).
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Exploring the atmospheric and weather conditions for hoar frost formation at OR Tambo International Airport: A case study of ground aircraft icing events for the period 2017-2023.
Ground aircraft icing has an adverse effect on the aerodynamic performance of aircrafts as well as the efficient operations of airlines and airports.
- NASA NTRS 2023 · Presentation
NASA Icing Overview 2023
This presentation summarizes NASA icing research for an invited talk to be presented on June 22, 2023, at the SAE International Conference on Icing of Aircraft, Engines, and Structures.
- Flight Safety Foundation 2023 · FSF / AeroSafety World
Controlled Flight Into Terrain (CFIT) — A 2023 Industry Refresh
Foundation 2023 CFIT data refresh — three decades after the original CFIT Task Force eliminated >95% of air-carrier CFIT, the GA + Part 135 communities still account for most CFIT fatalities.
- Embry-Riddle Scholarly Commons 2023 · Industry report (AQRR)
Airline Quality Rating 2023
The Airline Quality Rating (AQR) was developed and first announced in early 1991 as an objective method for assessing airline quality on combined multiple performance criteria.
Browse the full corpus — academia portal ↗