No fatalities

Airprox Between Two Instructional Aircraft at Neuchâtel (HB-HEI)

Neuchâtel Aérodrome (LSGN), NE, CH

On April 20, 2021, a FLUG- UND FAHRZEUGWERKE AG ALTENRHEIN (FFA) AS202/15 (registration HB-HEI) was involved in an aviation accident near Neuchâtel Aérodrome (LSGN), NE, CH. No fatalities were reported. This summary draws on records from the Swiss Transportation Safety Investigation Board (STSB / SUST).

Sourcesthe Swiss Transportation Safety Investigation Board (STSB / SUST)Primary reportUpdated 2026-10-18Data APIEditorial standards

On 20 April 2021, a Cessna 172P and an FFA AS202/15 came into dangerous proximity while in the aerodrome circuit at Neuchâtel. Both aircraft were on VFR instructional flights.

Incident Overview

On 20 April 2021 at 11:05 local time, two aircraft were involved in a dangerous approach (airprox) within the circuit of Neuchâtel Aerodrome (LSGN). Both airplanes were operating under Visual Flight Rules (VFR) and conducting instructional flights. The Swiss Safety Investigation Service (SESE) opened an investigation into the occurrence.

Aircraft Details

Aircraft 1 was a Cessna Aircraft Company 172P, registration HB-CQL. It was operated and owned by Flubag Flugbetriebs-AG Beromünster. The flight crew consisted of two persons, and there was one passenger on board. It had departed from Luzern-Beromünster Aerodrome (LSZO) and was destined for Neuchâtel (LSGN).

Aircraft 2 was a Flug- und Fahrzeugwerke AG Altenrhein (FFA) AS202/15, registration HB-HEI. It was operated by Air-Espace Sàrl and privately owned. The flight crew comprised two persons. The flight was a local instructional flight departing from and returning to Neuchâtel Aerodrome (LSGN).

Investigation

The SESE announced the opening of an investigation to determine the circumstances of the airprox. The preliminary report noted that the event was a dangerous approach between two motorized aircraft in the aerodrome circuit. Further details were not provided at this stage.

Frequently asked questions

What happened in the 20 Apr 2021 FLUG- UND FAHRZEUGWERKE AG ALTENRHEIN (FFA) AS202/15 accident near Neuchâtel Aérodrome (LSGN), NE, CH?

On 20 April 2021, a Cessna 172P and an FFA AS202/15 came into dangerous proximity while in the aerodrome circuit at Neuchâtel. Both aircraft were on VFR instructional flights.

Were there any fatalities in the 20 Apr 2021 FLUG- UND FAHRZEUGWERKE AG ALTENRHEIN (FFA) AS202/15 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 20 Apr 2021 involved a FLUG- UND FAHRZEUGWERKE AG ALTENRHEIN (FFA) AS202/15, registration HB-HEI, at Neuchâtel Aérodrome (LSGN), NE, CH.