Atlas / NTSB / OAK73AP043

NTSB CAROL · Event

Event OAK73AP043

1973-06-04 FAIRFIELD, California, United States Fatal 1 aircraft Status: Completed

Registry · N9507L

FAA Aircraft Registry record.

Make / Model

CESSNA 172P

Year of manufacture

1986

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19860213

ADS-B equipped

Yes — Mode-S AD37FF

Registrant of record

BATRA SANJEEV

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9507L AMER AVCO AA1-B Fatal

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

AMER AVCO AA1-B · N9507L

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D7

Operator type

D

Kind of flying

A0

Weather at impact

Sky

CLEAR

Wind

240° / 13 kt

Temp

82° F

Aircraft history

Serial number

000AA1B-0019

Total time

265 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

2,244

Age

57

Probable cause (from PRE1982.MDB)

E ESTABD SPIN RECOVERY TECHNIQUE.

Investigator remarks

ACFT PLACARDED-SPINS PROHIBITED.PLT FAILED TO US

Cause factors

64/A/20 A
PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. Cause — pilot/personnel action
64/A/23 A
PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS Cause — pilot/personnel action

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 1865. Source file NTSB_1973_3_1865.txt. Modern CAROL record on data.ntsb.gov ↗.

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