NTSB CAROL · Event
Event LAX77FUM23
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
PIPER PA-28R · N5021S
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D0
Operator type
L
Kind of flying
B0
Weather at impact
Sky
OVERCAST
Wind
170° / 5 kt
Temp
56° F
Aircraft history
Serial number
000028R35755
Total time
2,784 hrs
Pilot
Certificate
Commercial
Total hours
509
Age
29
Probable cause (from PRE1982.MDB)
CISSORS CTCD VALVE,OIL LOST OVR BOARD.
Investigator remarks
WRONG OIL QUICK DRAIN VALVE INSTALLED. NOSE GR S
Cause factors
- 74/C/DC C POWERPLANT VALVES Cause
- 88/C/CB C MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY INSTALLED Cause
- 88/C/46 C MISCELLANEOUS ACTS,CONDITIONS WRONG PART Cause
- 88/C/81 C MISCELLANEOUS ACTS,CONDITIONS OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM Cause
- 68/C/D0 C PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
- 83/K/I K TERRAIN HIGH OBSTRUCTIONS Joint factor
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 0350.
Source file
NTSB_1977_3_0350.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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