NTSB CAROL · Event
Event OAK65F0079
Registry · N56747
FAA Aircraft Registry record.
Make / Model
BOEING D75N1
Year of manufacture
1942 · 23 years old at event
Engine
P&W R1340 SERIES (600 hp)
Seats / Engines
2 seats · 1 engine
ADS-B equipped
Yes — Mode-S A743EF
Registrant of record
PEMBER RICHARD W
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
BOEING D-75 · N56747
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CB
Weather at impact
Sky
CLEAR
Temp
75° F
Aircraft history
Total time
2,289 hrs
Pilot
Certificate
Commercial
Total hours
8,800
Age
37
Probable cause (from PRE1982.MDB)
PUSH ROD
Investigator remarks
MATERIAL FAILURE OF NO 4 CYLINDER EXHAUST VALVE
Cause factors
- 74/C/AF C POWERPLANT VALVE ASSEMBLIES Cause
- 88/C/95 C MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE 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 1417.
Source file
NTSB_1965_3_1417.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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