NTSB CAROL · Event
Event LAX74FUG22
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
JOHANNSEN BENSEN · N4386
Damage
Destroyed
Craft type
I
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Cruise climb (DB)
Operator type
D
Kind of flying
B0
Weather at impact
Sky
CLEAR
Temp
75° F
Aircraft history
Serial number
000000001001
Pilot
Certificate
Airline transport
Total hours
1
Age
37
Probable cause (from PRE1982.MDB)
ROP DURING SEVERE PORPOISE MANEUVER OF GYROCOPTER
Investigator remarks
ROTOR BLADES DEFLECTED INTO VERT TAIL & PUSHER P
Cause factors
- 64/C/23 C PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS Cause
- 64/C/02 C PILOT IN COMMAND ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL Cause
- 64/L/31 L PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT
- 64/L/20 L PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
- 84/L/8 L MISCELLANEOUS UNQUALIFIED PERSON OPERATED AIRCRAFT
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 3675.
Source file
NTSB_1973_3_3675.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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