Atlas / NTSB / CHI75FEC02

NTSB CAROL · Event

Event CHI75FEC02

1974-07-01 MARINE CITY, Michigan, United States None 1 aircraft Status: Completed

Registry · N2WM

FAA Aircraft Registry record.

Make / Model

PIPER PA-31-310

Year of manufacture

1973 · 1 years old at event

Engine

LYCOMING TI0-540 SER (310 hp)

Seats / Engines

8 seats · 2 engines

Last airworthiness date

19731015

ADS-B equipped

Yes — Mode-S A18F51

Registrant of record

AIR RESOURCES HELICOPTERS INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N2WM Piper PA-31 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

PIPER PA-31 · N2WM

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

D

Airport

MARINE CITY

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

220° / 4 kt

Aircraft history

Serial number

00000031-654

Total time

1,478 hrs

Pilot

Certificate

Commercial

Total hours

4,920

Age

52

Probable cause (from PRE1982.MDB)

ABORT LDG.CLBD OVR TREES,WIRES.UN MNTN ALT,LNDD.

Investigator remarks

ON FINAL R ENG FUEL FLOW FLUCTUATED.PLT ELECTED

Cause factors

74/C/CI C
POWERPLANT FUEL INJECTION SYSTEM Cause
64/B/44 B
PILOT IN COMMAND SPONTANEOUS-IMPROPER ACTION
64/B/25 B
PILOT IN COMMAND IMPROPER LEVEL OFF
83/K/F K
TERRAIN ROUGH/UNEVEN Joint factor

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 1924. Source file NTSB_1974_3_1924.txt. Modern CAROL record on data.ntsb.gov ↗.

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