Atlas / NTSB / ANC78FAG40

NTSB CAROL · Event

Event ANC78FAG40

1978-04-08 TULUKSAK, Alaska, United States None 1 aircraft Status: Completed

Registry · N4419E

FAA Aircraft Registry record.

Make / Model

BELL 47G

TCDS

H-1 · SCOTT'S-BELL 47 INC

Engine

FRANKLIN 6V4 SERIES (210 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19660623

ADS-B equipped

Yes — Mode-S A551EC

Registrant of record

RATLEDGE THOMAS D

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N4419E Bell 47G3 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

BELL 47G3 · N4419E

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

00000000K651

Total time

2,288 hrs

Pilot

Certificate

Airline transport

Total hours

9,524

Age

43

Probable cause (from PRE1982.MDB)

SSEMBLY NOT LOCATED-MODE OF FAILURE UNDETERMINED.

Investigator remarks

LOSS OF TAILROTOR BLADES AND TAILROTOR GEARBOX-A

Cause factors

84/A/I A
MISCELLANEOUS UNDETERMINED Cause — pilot/personnel action

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 0819. Source file NTSB_1978_3_0819.txt. Modern CAROL record on data.ntsb.gov ↗.

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