Atlas / NTSB / IAD74FKW05

NTSB CAROL · Event

Event IAD74FKW05

1973-07-14 CHATTANOOGA, Tennessee, United States Minor 1 aircraft Status: Completed

Aircraft involved

N4733X Cessna 150G Minor

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

CESSNA 150G · N4733X

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

Personal/private

Airport

LOVELL

Kind of flying

A0

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Aircraft history

Serial number

000015064783

Total time

3,513 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

2,792

Age

26

Probable cause (from PRE1982.MDB)

NTO DIKE.

Investigator remarks

L MAG DEAD,OPEN COIL.PLUGS IN POOR COND.ROLLED I

Cause factors

74/C/BA C
POWERPLANT MAGNETOS Cause
74/C/BC C
POWERPLANT SPARK PLUG Cause
88/C/98 C
MISCELLANEOUS ACTS,CONDITIONS IMPROPER CLEARANCE-TOLERANCE Cause
68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
64/C/29 C
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause
83/B/F B
TERRAIN ROUGH/UNEVEN
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor
88/L/91 L
MISCELLANEOUS ACTS,CONDITIONS TOUCH AND GO LANDING

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 2445. Source file NTSB_1973_3_2445.txt. Modern CAROL record on data.ntsb.gov ↗.

Beyond the agency record

Search this event elsewhere.

Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.

TallyAero Live Wire Aviation press

Entity-clustered aviation events in the press — last 24 hr + 30-day archive.

NTSB CAROL Agency ↗

Official agency record + docket.

NTSB Docket Agency ↗

Investigative docket: factual reports, photos, transcripts.

Aviation Safety Network Aviation press ↗

Long-running aviation incident database (Flight Safety Foundation).

Kathryn's Report Aviation press ↗

Community NTSB synthesis blog — often has photos and witness reports.

Aviation Herald Aviation press ↗

Gold-standard aviation incident blog.