Atlas / NTSB / OAK72DVA05

NTSB CAROL · Event

Event OAK72DVA05

1971-07-31 GROVELAND, California, United States None 2 aircraft Status: Completed

Registry · N9070P

FAA Aircraft Registry record.

Make / Model

PIPER PA-24-260

Engine

LYCOMING TI0-540 SER (310 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19660801

ADS-B equipped

Yes — Mode-S AC8B93

Registrant of record

WILLIAMSON PAUL H

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

PIPER PA-24 · N9070P

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

Personal/private

Airport

PINE MOUNTAIN

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

240° / 12 kt

Temp

75° F

Aircraft history

Serial number

00000002094C

Total time

96 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

298

Age

37

Cause factors

64/C/46 C
PILOT IN COMMAND MISJUDGED DISTANCE AND SPEED Cause
64/C/82 C
PILOT IN COMMAND FAILED TO INITIATE GO-AROUND Cause
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor
64/L/31 L
PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT
88/L/22 L
MISCELLANEOUS ACTS,CONDITIONS POORLY PLANNED APPROACH

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 1889. Source file NTSB_1971_3_1889.txt. Modern CAROL record on data.ntsb.gov ↗.

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