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Atlas / NTSB / NYC82FNA20

NTSB CAROL · Event

Event NYC82FNA20

1982-06-18 MARTHA'S VINEYARD, Massachusetts, United States Airport · MVY None 1 aircraft Status: Completed

Registry · N71MA

FAA Aircraft Registry record.

Make / Model

AVIAT AIRCRAFT INC A-1B

Seats / Engines

2 seats · 1 engine

ADS-B equipped

Yes — Mode-S A97AC8

Registrant of record

SCHUPPAN GOETZ N

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

DURING AN ILS WITH THE AUTOPILOT COUPLER ON, A HIGH SINK RATE DEVELOPED TOWARD THE END OF THE APPROACH. THE PILOT UNCOUPLED THE AUTOPILOT AND BEGAN A MISSED APPROACH, BUT THE AIRCRAFT HIT THE TOP OF A TREE. HE DIVERTED AND LANDED AT PROVIDENCE, RI WITHOUT FURTHER INCIDENT. AFTER LANDING, SUBSTANTIAL DAMAGE OF THE RIGHT FLAP AND RIGHT PROPELLER WAS FOUND. A BENCH CHECK OF THE BENDIX FCS-810 AUTOPILOT REVEALED THAT THE TRANSISTORS IN THE GLIDE SLOPE WASH-OUT CIRCUIT WERE FAULTY. THEY WERE INTERMITTENTLY APPLYING A POSITIVE VOLTAGE THAT RESULTED IN A FALSE PITCH GYRO SIGNAL AND A DOWNWARD HARDOVER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1982_NYC82FNA20.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (autopilot). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗