Atlas / NTSB / CHI76FEP37

NTSB CAROL · Event

Event CHI76FEP37

1976-07-21 PLAINFIELD, Wisconsin, United States None 1 aircraft Status: Completed

Aircraft involved

N1629S Snow 600S2C 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

SNOW 600S2C · N1629S

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CB

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Temp

66° F

Aircraft history

Serial number

000600-1177C

Total time

3,556 hrs

Pilot

Certificate

Commercial

Total hours

10,000

Age

48

Probable cause (from PRE1982.MDB)

ILED.

Investigator remarks

THE ENG INTERNAL SUPERCHARGER BLOWER BEARINGS FA

Cause factors

74/C/AG C
POWERPLANT BLOWER,IMPELLER ASSEMBLY Cause
83/B/F B
TERRAIN ROUGH/UNEVEN
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 2389. Source file NTSB_1976_3_2389.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.