Atlas / NTSB / OAK70DVG17

NTSB CAROL · Event

Event OAK70DVG17

1970-04-25 POPE VALLEY, California, United States None 1 aircraft Status: Completed

Registry · N99373

FAA Aircraft Registry record.

Make / Model

ENGINEERING & RESEARCH ERCOUPE 415-C

Year of manufacture

1946 · 24 years old at event

Engine

CONT MOTOR A&C75 SERIES (75 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19570827

ADS-B equipped

Yes — Mode-S ADE131

Registrant of record

GREGORY VERNON L

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N99373 ERCO 415-C None

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

ERCO 415-C · N99373

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Day

Weather

VMC

Phase of flight

C0

Operator type

D

Airport

UNNAMED

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000001996

Total time

1,969 hrs

Pilot

Certificate

Airline transport

Total hours

66

Age

20

Probable cause (from PRE1982.MDB)

CLOSED,MARKED WITH XS.

Investigator remarks

ACFT PORPOISED DRG T/O,NOSEWHEEL COLLAPSED. RWY

Cause factors

64/C/33 C
PILOT IN COMMAND EXERCISED POOR JUDGMENT Cause
64/C/35 C
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause
64/C/81 C
PILOT IN COMMAND FAILED TO ABORT TAKEOFF Cause
80/C/BY C
AIRPORTS/AIRWAYS/FACILITIES OTHER Cause
88/B/94 B
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE

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 1742. Source file NTSB_1970_3_1742.txt. Modern CAROL record on data.ntsb.gov ↗.

Beyond the agency record

Search this event elsewhere.

Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.

TallyAero Live Wire Aviation press

Entity-clustered aviation events in the press — last 24 hr + 30-day archive.

NTSB CAROL Agency ↗

Official agency record + docket.

NTSB Docket Agency ↗

Investigative docket: factual reports, photos, transcripts.

Aviation Safety Network Aviation press ↗

Long-running aviation incident database (Flight Safety Foundation).

Kathryn's Report Aviation press ↗

Community NTSB synthesis blog — often has photos and witness reports.

Aviation Herald Aviation press ↗

Gold-standard aviation incident blog.