# NTSB Accident NYC89LA212
> **BALLOON WORKS FIREFLY** · 1989-08-31 · HATBORO, PA, USA · SERS
## Event
- **NTSB number:** NYC89LA212
- **Event ID:** 20001213X29250
- **Type:** Accident
- **Date:** 1989-08-31
- **Location:** HATBORO, PA, USA
- **Coordinates:** 40.169124, -75.100059
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 3
- **Uninjured:** 1
- **Total aboard:** 5
## Aircraft
- **Make:** BALLOON WORKS
- **Model:** FIREFLY
- **Registration:** N7406F
- **FAR Part:** 091
- **Engines:** —
- **Damage:** MINR
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT WHICH RESULTED IN HIS FAILURE TO MAINTAIN CLEARANCE OBSTRUCTIONS.  A RELATED FACTOR WAS:  THE LOW LEVEL OF PROPANE (FUEL), WHICH RESULTED IN LOW BURNER PRESSURE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC89LA212) · AI Analytics · CC0 1.0*