Atlas / NTSB / LAX78FUJ09

NTSB CAROL · Event

Event LAX78FUJ09

1977-11-08 SCOTTSDALE, Arizona, United States None 1 aircraft Status: Completed

Registry · N99PM

FAA Aircraft Registry record.

Make / Model

HELIO H-295

Year of manufacture

1966 · 11 years old at event

Engine

LYCOMING GO-480 SERIES (295 hp)

Seats / Engines

6 seats · 1 engine

Last airworthiness date

19720628

ADS-B equipped

Yes — Mode-S ADD19B

Registrant of record

G-DAWG LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N99PM HELIO ACFT H-295 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

HELIO ACFT H-295 · N99PM

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

D

Airport

SCOTTSDALE

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

130° / 3 kt

Temp

71° F

Aircraft history

Serial number

000000001208

Total time

1,451 hrs

Pilot

Certificate

Commercial — instrument

Total hours

2,240

Age

48

Probable cause (from PRE1982.MDB)

KEY PN STD-858,FAILED.

Investigator remarks

FLOAT LNDG GEAR.CRANKSHAFT TIMING GEAR,WOODRUFF

Cause factors

74/C/LF C
POWERPLANT GEARS,ACCESSORY DRIVE Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
64/B/25 B
PILOT IN COMMAND IMPROPER LEVEL OFF
64/K/45 K
PILOT IN COMMAND MISJUDGED DISTANCE,SPEED,AND 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 3450. Source file NTSB_1977_3_3450.txt. Modern CAROL record on data.ntsb.gov ↗.

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