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Atlas / NTSB / OAK75AP035

NTSB CAROL · Event

Event OAK75AP035

1975-02-09 SO LAKE TAHOE, California, United States Serious 1 aircraft Status: Completed

Registry · N711ST

FAA Aircraft Registry record.

Make / Model

PIPER PA46R-350T

Year of manufacture

2012

Engine

LYCOMING TIO-540-AE2A (350 hp)

Seats / Engines

6 seats · 1 engine

Last airworthiness date

20120613

ADS-B equipped

Yes — Mode-S A98166

Registrant of record

HALABI AVIATION 2 LLC

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

BRITISH AC 1-11 · N711ST

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

C0

Operator type

Business

Airport

LAKE TAHOE

Kind of flying

B3

Weather at impact

Sky

OBSCURATION

Wind

170° / 7 kt

Temp

31° F

Aircraft history

Serial number

000000000058

Total time

11,255 hrs

Pilot

Certificate

Commercial

Total hours

6,191

Age

43

Probable cause (from PRE1982.MDB)

UE HEAVY SNOW.HIT SNOW BERM & LOST CTL.

Investigator remarks

ATTMPTD TKOF FRM PARTIALLY CLRD RWY IN LOW VIS D

Cause factors

  • 64/C/40 C
    PILOT IN COMMAND INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS Cause
  • 65/C/79 C
    COPILOT Cause
  • 64/L/71 L
    PILOT IN COMMAND MISUSED OR FAILED TO USE FLAPS
  • 68/L/H2 L
    PERSONNEL IMPROPER/INADEQUATE SNOW REMOVAL
  • 80/L/BC L
    AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY
  • 82/L/A L
    WEATHER LOW CEILING
  • 82/L/D L
    WEATHER SNOW

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 1135. Source file NTSB_1975_3_1135.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗