NTSB CAROL · Event
Event FTW65A0068
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
CONVAIR CV-340 · N117
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Cruise — descent (EF)
Operator type
G
Airport
SHEPPARD AFB
Kind of flying
A0
Weather at impact
Sky
CLEAR
Wind
220° / 9 kt
Temp
71° F
Aircraft history
Total time
15,583 hrs
Pilot
Certificate
DA (DA)
Total hours
5,463
Age
47
Probable cause (from PRE1982.MDB)
OLL WHILE SIMULATING HYDRAULIC SYSTM MALFUNCTION.
Investigator remarks
INST PILOT CLOSED HYDR BY-PASS VLVE DURNG LNDG R
Cause factors
- 64/A/44 A PILOT IN COMMAND SPONTANEOUS-IMPROPER ACTION Cause — pilot/personnel action
- 64/A/19 A PILOT IN COMMAND FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT Cause — pilot/personnel action
- 64/A/20 A PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. Cause — pilot/personnel action
- 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 0006.
Source file
NTSB_1965_2_0006.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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