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Atlas / NTSB / SEA75DYA22

NTSB CAROL · Event

Event SEA75DYA22

1974-09-20 MCCALL, Idaho, United States None 1 aircraft Status: Completed

Registry · N3729M

FAA Aircraft Registry record.

Make / Model

PIPER PA-12

Year of manufacture

1947 · 27 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19560614

ADS-B equipped

Yes — Mode-S A43ED8

Registrant of record

ARNOLD RAY E

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-12 · N3729M

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise climb (DB)

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

70° F

Aircraft history

Serial number

0000012-2669

Total time

2,200 hrs

Pilot

Certificate

Commercial

Total hours

1,067

Age

37

Probable cause (from PRE1982.MDB)

RATE OF CLIMB.DENSITY ALT ABT 5700 FT.

Investigator remarks

ACFT STRUCK TREES.TERRAIN RISE GREATER THAN ACFT

Cause factors

  • 64/A/27 A
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
  • 64/A/17 A
    PILOT IN COMMAND MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE Cause — pilot/personnel action
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS Joint cause
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE 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 2807. Source file NTSB_1974_3_2807.txt. Modern CAROL record on data.ntsb.gov ↗.