# NTSB WPR26LA286: Interstate S-1A, N37248, Blackfoot, ID, August 1, 2026

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 4 · Limited · Investigation open
- Date: August 1, 2026, 08:45 local (14:45 UTC)
- Place: Blackfoot, ID · On Airport
- Coordinates: 43.209444, -112.34972
- Nearby events: https://openairdocs.org/map.md?lat=43.2094&lon=-112.3497&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing: Loss of control on ground](https://openairdocs.org/ntsb-events/230)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Investigation ongoing
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Western Pacific Region
- Parties: FAA
- NTSB case key (mKey): 203509
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR26LA286
- Latest NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/203509/pdf
- Page: https://openairdocs.org/ntsb/WPR26LA286

## Sequence of events

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

- [Landing: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Interstate S-1A, 2 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=1850202), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md)

## Aircraft

- Registration: [N37248](https://openairdocs.org/aircraft/N37248), registered now, S/N 91, built 1941 (OpenAirDocs)
- Reported make and model: INTERSTATE S-1A
- Registry model: [Interstate S-1A](https://openairdocs.org/model/interstate-s-1a) (registry code 1850202) (OpenAirDocs)
- Registry engine: [Continental C90-14F](https://openairdocs.org/engine/continental-c90-14f) (registry code 17187, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 91
- Year built: 1941
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Larsen Kevin L
- Registered owner: Larsen Kevin L
- Airworthiness certificate: Special, Experimental (Special)
- Airport: U02, Mccarley Fld, runway 01/19, 4,314 × 75 ft, asphalt

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 9 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 48 °F
- Altimeter: 30.19 inHg
- Observed at: KIDA, 22 nm away
- METAR: METAR KIDA 011453Z 33009KT 10SM CLR 19/09 A3019 RMK AO2 SLP172 T01940094 53002

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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