Atlas / NTSB / MIA73AM093

NTSB CAROL · Event

Event MIA73AM093

1973-03-17 PENSACOLA, Florida, United States None 1 aircraft Status: Completed

Registry · N11ST

FAA Aircraft Registry record.

Make / Model

SONEX AIRCRAFT SONEX

Year of manufacture

2009

Engine

JABIRU 2200 (85 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20110414

ADS-B equipped

Yes — Mode-S A02B7C

Registrant of record

CHRISTENSEN THOMAS C

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N11ST Lockheed L-382G 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

LOCKHEED L-382G · N11ST

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Airport

NAS PENSACOLA

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000004384

Total time

8,415 hrs

Pilot

Certificate

GA (GA)

Total hours

18,500

Age

47

Probable cause (from PRE1982.MDB)

ED IAW SERV BULLETIN.

Investigator remarks

STRESS CORROSION-NOSE GR CYLINDER.PITS NOT REMOV

Cause factors

68/A/D6 A
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
70/A/CE A
AIRFRAME NOSEWHEEL ASSEMBLIES Cause — pilot/personnel action
88/A/36 A
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE 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 1 0006. Source file NTSB_1973_1_0006.txt. Modern CAROL record on data.ntsb.gov ↗.

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