NTSB CAROL · Event
Event NYC81IA048
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
DEHAVILLAND DHC-6 · N386EX
Damage
Minor
Craft type
Airplane
Classification
C
Light condition
Dawn
Weather
IMC
Phase of flight
D0
Weather at impact
Sky
OVERCAST
Wind
160° / 10 kt
Temp
50° F
Aircraft history
Serial number
000000000248
Total time
26,886 hrs
Pilot
Certificate
DA (DA)
Total hours
7,041
Age
30
Probable cause (from PRE1982.MDB)
G,EL TORQUE TUBE BLT,AN175-27A,FAILED FM FATIGUE.
Investigator remarks
SVR VIB,LOST EL CTL/TRIM.TRIM TAB BLT,AN23-15,MS
Cause factors
- 70/A/D0 A AIRFRAME ELEVATOR ASSEMBLY,ATTACHMENTS Cause — pilot/personnel action
- 88/A/90 A MISCELLANEOUS ACTS,CONDITIONS MISSING Cause — pilot/personnel action
- 88/A/CV A MISCELLANEOUS ACTS,CONDITIONS VIBRATION,EXCESSIVE Cause — pilot/personnel action
- 88/A/36 A MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE 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
4 0015.
Source file
NTSB_1981_4_0015.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 · Contractor Report (CR)
DHC-6 Twin Otter Tailplane Airfoil Section Testing in the Ohio State University 7x10 Wind Tunnel
Ice contaminated tailplane stall (ICTS) has been found to be responsible for 16 accidents with 139 fatalities over the last three decades, and is suspected to have played a role in other accidents and…
- NASA NTRS 2019 · Reprint (Version printed in journal)
In-Flight Aerodynamic Measurements of an Iced Horizontal Tailplane
The effects of tailplane icing on aircraft dynamics and tailplane aerodynamics were investigated using, NASA's modified DHC-6 Twin Otter icing research aircraft.
- NASA NTRS 2019 · Reprint (Version printed in journal)
Investigation of Dynamic Flight Maneuvers With an Iced Tailplane
A detailed analysis of two of the dynamic maneuvers, the pushover and elevator doublet, from the NASA/FAA Tailplane Icing Program are discussed.
Browse the full corpus — academia portal ↗