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Atlas / NTSB / SEA73AS039

NTSB CAROL · Event

Event SEA73AS039

1973-06-23 HAILEY, Idaho, United States None 1 aircraft Status: Completed

Registry · N332N

FAA Aircraft Registry record.

Make / Model

EUROCOPTER FRANCE AS332L1

Year of manufacture

1994

TCDS

H4EU · AIRBUS HELICOPTERS

Engine

TURBOMECA MAKILA 1A1 (1819 hp)

Seats / Engines

26 seats · 2 engines

Last airworthiness date

20191110

ADS-B equipped

Yes — Mode-S A39E69

Registrant of record

VALIAIR LIMITED COMPANY TRUSTEE

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

BEECH 95-B55 · N332N

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

E

Airport

HAILEY

Kind of flying

CI

Weather at impact

Sky

OVERCAST

Wind

220° / 8 kt

Temp

75° F

Aircraft history

Serial number

000000TC-661

Total time

2,906 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

6,236

Age

30

Probable cause (from PRE1982.MDB)

LINE CAME LOOSE.LOST PROP PITCH CTL.D/A 7560 FT.

Investigator remarks

LOST PWR R ENG DUE PROP GOV TO ACCUMULATOR PRESS

Cause factors

  • 74/C/FG C
    POWERPLANT GOVERNORS Cause
  • 88/C/BM C
    MISCELLANEOUS ACTS,CONDITIONS DISCONNECTED Cause
  • 88/C/CB C
    MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY INSTALLED Cause
  • 68/C/D0 C
    PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
  • 88/K/94 K
    MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor
  • 82/K/W K
    WEATHER HIGH DENSITY ALTITUDE 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 1896. Source file NTSB_1973_3_1896.txt. Modern CAROL record on data.ntsb.gov ↗.