Scoda Aeronautica Ltda SUPER PETREL LS accident near Portsmouth, New Hampshire, August 18, 2025
On August 18, 2025 at about 1:21 pm local time, a 2020 Scoda Aeronautica Ltda SUPER PETREL LS, registered N999XX, was substantially damaged in an accident during landing (flare/touchdown) near Portsmouth, New Hampshire (Portsmouth Intl At Pease airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The pilot’s failure to extend the airplane’s landing gear before landing.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 18, 2025 · about 1:21 pm local time
- Place
- Portsmouth, New Hampshire · Portsmouth Intl At Pease · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Scoda Aeronautica Ltda SUPER PETREL LS, built 2020 · all SUPER PETREL LSs on the register
- Registration
- N999XX · registry record · serial S0370
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot stated that he was attempting to land on a hard surface runway in his amphibious airplane when he got distracted and failed to use the before landing checklist and extend the landing gear. The pilot subsequently landed on the hull resulting in substantial damage to the composite structure. The pilot reported there were no preimpact mechanical malfunctions or failures of the airplane that would have precluded normal operation.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Landing gear not configured during landing (flare/touchdown) defining event
The NTSB's findings
- Personnel issues › Action/decision › Action › Forgotten action/omission › Pilot
- Aircraft › Aircraft systems › Landing gear system › Gear extension and retract sys › Not used/operated
Pilot
- Certificate: private
- Ratings: single-engine land; single-engine sea
- Flight time: 1,312.2 hours in all; 635.5 in this make and model; 80.5 in the last 90 days; 32.8 in the last 30 days; 1,239.8 as pilot in command
- Last flight review: May 21, 2025
- Medical certificate: Class 3 (without waivers/limitations)
- Seat: left
- Injury: no injuries
The aircraft
- Airframe total time: 676 hours
- Last inspection: annual inspection, August 7, 2025
- Maximum gross weight: 1,187 lb
- Seats: 2
- Landing gear: retractable
- Engine: Rotax 912iS (piston); 695 hours total
The flight
- Departed from: 56NH Middleton NH at 12:30 pm
- Flight plan: none
- Runway 16/3, 11,322 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 360° at 10 knots
- Visibility: 10 statute miles
- Sky: a few clouds at 3,500 ft
- Temperature: 64°F (18°C), dew point 45°F (7°C)
- Altimeter: 30.17 inHg
- Observation at 8:55 am from KPSM, 1 miles away
Weather report (METAR): KPSM 181255Z 36010KT 10SM FEW035 FEW250 18/07 A3017 RMK AO2A SLP219 T01800074
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
2 documents, released by the NTSB on November 20, 2025. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.
| # | Document | What it is | |
|---|---|---|---|
| 1 | Pilot/operator Aircraft Accident Report, NTSB Form 6120.1 | PDF, 9 pages | View Download |
| 2 | Investigation Photos | PDF, 3 pages | View Download |
The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.