# NTSB ERA27LA009: Schleicher ASK-21, N521HH, Elmira, NY, October 10, 2026

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Investigation open
- Date: October 10, 2026, 16:00 local (20:00 UTC)
- Place: Elmira, NY
- Location: 42.0934° N, 76.8096° W: Placed by OpenAirDocs: center of Elmira, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0934&lon=-76.8096&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing: Loss of lift](https://openairdocs.org/ntsb-events/500)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Investigation ongoing
- NTSB office: Eastern Region Aviation
- NTSB case key (mKey): 204006
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ERA27LA009
- Latest NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/204006/pdf
- Page: https://openairdocs.org/ntsb/ERA27LA009

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing: Loss of lift](https://openairdocs.org/ntsb-events/500) (defining event); cases with it: [Schleicher ASK-21, 2 cases](https://openairdocs.org/ntsb-events/500/sequence.md?model=38015GY), [All aircraft, 252 cases](https://openairdocs.org/ntsb-events/500/sequence.md)

## Aircraft

- Registration: [N521HH](https://openairdocs.org/aircraft/N521HH), registered now, S/N 21704, built 1999 (OpenAirDocs)
- Reported make and model: SCHLEICHER ASK-21
- Registry model: [Schleicher ASK-21](https://openairdocs.org/model/schleicher-ask-21) (registry code 38015GY) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Flight: Personal, Part 91
- Operator: Harris Hill Soaring Corp
- Registered owner: Harris Hill Soaring Corp

## Weather

- Wind: 120° at 4 knots
- Lowest ceiling: none
- Observed at: 2 nm away

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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