# NTSB Accident WPR22FA173
> **BLUE SIDE UP INC COMP AIR 8 SS52** · 2022-05-08 · Grasmere, ID, USA · FATL
## Event
- **NTSB number:** WPR22FA173
- **Event ID:** 20220510105052
- **Type:** Accident
- **Date:** 2022-05-08
- **Location:** Grasmere, ID, USA
- **Coordinates:** 42.188, -115.58407
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BLUE SIDE UP INC
- **Model:** COMP AIR 8 SS52
- **Registration:** N801DT
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** Unk
## Probable cause

The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR22FA173) · AI Analytics · CC0 1.0*