# NTSB Accident SEA91LA086
> **GRUMMAN G-21A** · 1991-04-17 · SPOKANE, WA, USA · NONE
## Event
- **NTSB number:** SEA91LA086
- **Event ID:** 20001212X16887
- **Type:** Accident
- **Date:** 1991-04-17
- **Location:** SPOKANE, WA, USA
- **Coordinates:** 47.649436, -117.430587
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** GRUMMAN
- **Model:** G-21A
- **Registration:** N9750Z
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT-IN-COMMAND DID NOT MAINTAIN DIRECTIONAL CONTROL OF THE AIRPLANE. FACTORS WERE: THE PIC'S INADEQUATE COMPENSATE FOR THE WIND, HIS LIMITED FLIGHT EXPEREINCE IN THIS TYPE OF AIRPLANE, AND THE CHECK AIRMAN'S POOR SUPERVISION.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA086) · AI Analytics · CC0 1.0*