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Atlas / NTSB / SEA71DYA33

NTSB CAROL · Event

Event SEA71DYA33

1971-05-28 BLACKFOOT, Idaho, United States None 1 aircraft Status: Completed

Registry · N1172P

FAA Aircraft Registry record.

Make / Model

PIPER PA-23

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

5 seats · 2 engines

Last airworthiness date

19980219

ADS-B equipped

Yes — Mode-S A048E0

Registrant of record

STEED WILLIAM B

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-23 · N1172P

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Day

Weather

VMC

Phase of flight

C4

Operator type

D

Airport

ANDERSON RANCH

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

00000023-186

Total time

3,303 hrs

Pilot

Certificate

Commercial

Total hours

1,510

Age

45

Probable cause (from PRE1982.MDB)

LPNG FULL PWR.MIXTURES RICH.FLD ELEV 4465FT MSL.

Investigator remarks

1800FT WET GRASS STRIP.PLT DID NOT THINK ENGS DV

Cause factors

  • 64/A/06 A
    PILOT IN COMMAND DELAYED ACTION IN ABORTING TAKEOFF Cause — pilot/personnel action
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE Joint cause
  • 80/J/BA J
    AIRPORTS/AIRWAYS/FACILITIES WET RUNWAY Joint 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 2687. Source file NTSB_1971_3_2687.txt. Modern CAROL record on data.ntsb.gov ↗.