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Atlas / NTSB / CHI88DET05

NTSB CAROL · Event

Event CHI88DET05

1988-08-05 DOWAGIAC, Michigan, United States None 1 aircraft Status: Completed

Registry · N2838B

FAA Aircraft Registry record.

Make / Model

BELL 47J

Year of manufacture

1957 · 31 years old at event

TCDS

2H1 · SCOTT'S-BELL 47 INC

Engine

LYCOMING VO-435 SERIES (260 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19580224

ADS-B equipped

Yes — Mode-S A2DC92

Registrant of record

BLESSED BEGINNINGS BROADCASTING INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

FAILURE TO MAINTIAN ADEQUATE ROTOR RPM BY THE UNQUALIFIED PILOT.

Factual narrative

THE PRIVATE PILOT WITH AN AIRPLANE SINGLE ENGINE LAND RATING WAS REPORTED TO BE ON HIS FIRST SELF-FAMILIARIZATION FLIGHT IN THIS MAKE & MODEL OF HELICOPTER. HE REPORTED THAT AFTER TAKING OFF, HE FLEW ABOUT 1/2 MILE & STARTED A TURN, THEN THE ENGINE BEGAN LOSING POWER. SUBSEQUENTLY, THE HELICOPTER SETTLED INTO TREES AND WAS DAMAGED. THERE WERE INDICATIONS THAT THE ENGINE WAS STILL PROVIDING POWER AS THE MAIN ROTOR BLADES CONTACTED SMALL TREES DURING THE LANDING. AN INVESTIGATION REVEALED THE LAST ANNUAL INSPECTION WAS DATED 8/22/85. RAT NEST MATERIAL WAS FOUND IN THE AIR FILTER IN SUFFICIENT QUANTITY TO ALMOST COMPLETELY BLOCK THE FLOW OF AIR. ALSO, THE PILOT'S LAST MEDICAL CERTIFICATE WAS DATED 1/2/86. AUTO FUEL WAS FOUND IN THE FUEL TANKS & CARBURETOR. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_CHI88DET05.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.