NTSB CAROL · Event
Event MIA66A0008
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 TOMCAT · N73871
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
DG
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CA
Weather at impact
Sky
CLEAR
Temp
85° F
Aircraft history
Total time
2,044 hrs
Pilot
Certificate
Commercial
Total hours
3,650
Age
32
Probable cause (from PRE1982.MDB)
CAUSING SEVERE CYCLIC FEED BACK AND PLT DISTRACT@
Investigator remarks
CYCLIC CNTROL DMPRS CLOGGED-O RING SEAL PARTCLES
Cause factors
- 78/A/C0 A ROTORCRAFT CYCLIC PITCH CONTROL SYSTEM Cause — pilot/personnel action
- 84/A/G A MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause — pilot/personnel action
- 88/A/CF A MISCELLANEOUS ACTS,CONDITIONS OBSTRUCTED Cause — pilot/personnel action
- 64/B/18 B PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
- 68/1/J2 1 PERSONNEL POOR/INADEQUATE DESIGN Subordinate · 1
- 68/1/J6 1 PERSONNEL OTHER Subordinate · 1
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 0912.
Source file
NTSB_1965_2_0912.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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