Atlas / NTSB / FTW80FPA19

NTSB CAROL · Event

Event FTW80FPA19

1980-09-19 ADDISON, Texas, United States Serious 1 aircraft Status: Completed

Registry · N24TV

FAA Aircraft Registry record.

Make / Model

BELL 206B

Year of manufacture

1992

TCDS

H2SW · BELL HELICOPTER TEXTRON CANADA LTD

Engine

ALLISON 250-C20 SER (420 hp)

Seats / Engines

5 seats · 1 engine

Last airworthiness date

19921130

ADS-B equipped

Yes — Mode-S A22F63

Registrant of record

APEXHELI OREGAN INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N24TV AERO COMDR 680F Serious

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

AERO COMDR 680F · N24TV

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D2

Operator type

D

Airport

ADDISON

Kind of flying

B3

Weather at impact

Sky

CLEAR

Wind

180° / 10 kt

Aircraft history

Serial number

000001135-76

Total time

2,475 hrs

Pilot

Certificate

DA (DA)

Total hours

26,755

Age

63

Probable cause (from PRE1982.MDB)

R ENG CONTAMINATED W OIL.OTR MAGS CKD OK.

Investigator remarks

PLT RPRTD LOSS OF PWR ON 1 OR BOTH ENGS.L MAG ON

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
74/L/BA L
POWERPLANT MAGNETOS
84/L/G L
MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
88/L/83 L
MISCELLANEOUS ACTS,CONDITIONS OIL CONTAMINATION

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 3553. Source file NTSB_1980_3_3553.txt. Modern CAROL record on data.ntsb.gov ↗.

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