Atlas / NTSB / CHI72FEP16

NTSB CAROL · Event

Event CHI72FEP16

1971-09-29 DODGEVILLE, Wisconsin, United States None 1 aircraft Status: Completed

Aircraft involved

N7251W Piper PA-28 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

PIPER PA-28 · N7251W

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Night

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

Part 91 (general aviation)

Airport

DODGEVILLE MUN

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

0000028-1079

Total time

2,435 hrs

Pilot

Certificate

Commercial — instrument

Total hours

282

Age

31

Probable cause (from PRE1982.MDB)

E AND LODGED IN AIR INTAKE BLO CARB VENTURI.

Investigator remarks

ALUM FOIL WRAPPED INSIDE HEAT MUFF VIBRATED LOOS

Cause factors

68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
74/C/CL C
POWERPLANT RAM AIR ASSEMBLY Cause
84/C/G C
MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause
88/C/34 C
MISCELLANEOUS ACTS,CONDITIONS ENGINE LOADED UP Cause
83/B/D B
TERRAIN HIGH VEGETATION

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 5 0024. Source file NTSB_1971_5_0024.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.