NTSB CAROL · Event
Event FTW72FQD30
Registry · N4738G
FAA Aircraft Registry record.
Make / Model
CESSNA 172N
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19790928
ADS-B equipped
Yes — Mode-S A5CFB6
Registrant of record
CMK AERIAL INC
Source: FAA Aircraft Registry (releasable master file).
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
SCHREDER HP-12 · N4738G
Damage
Substantial
Craft type
C
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D1
Operator type
D
Kind of flying
B0
Weather at impact
Sky
SCATTERED-ABOVE 1000 FEET
Aircraft history
Serial number
000000000001
Total time
543 hrs
Pilot
Certificate
DA (DA)
Total hours
19,646
Age
47
Probable cause (from PRE1982.MDB)
.PLT BAILED OUT.
Investigator remarks
TAIL CTL SURFACES NOT BALANCED AFTR MODIFICATION
Cause factors
- 68/A/J6 A PERSONNEL OTHER Cause — pilot/personnel action
- 68/A/D6 A PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
- 70/A/D9 A AIRFRAME OTHER Cause — pilot/personnel action
- 88/A/BT A MISCELLANEOUS ACTS,CONDITIONS FLUTTER Cause — pilot/personnel action
- 70/A/AA A AIRFRAME SPARS Cause — pilot/personnel action
- 88/A/94 A MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Cause — pilot/personnel action
- 82/J/K J WEATHER TURBULENCE IN FLIGHT,CLEAR AIR Joint cause
- 88/J/49 J MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT 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
3 2405.
Source file
NTSB_1972_3_2405.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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