# Accident 19900331007411A: Grob G103TWNASTIR, Byron, CA, March 31, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 31, 1990, 14:35 local time
- Place: Byron, CA
- Airport: Byron Airpark Airport
- Damage: Substantial damage
- Collision: Midair collision, first aircraft
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 37.8497° N, 121.6199° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.8497&lon=-121.6199&mi=10
- Aircraft: N3837J, a cancelled registration (https://openairdocs.org/deregistered/N3837J-2015-05-12) (OpenAirDocs)
- Registry model: Burkhart Grob Flugzeugbau G103 TWIN ASTIR (registry code 1660202, https://openairdocs.org/model/burkhart-grob-flugzeugbau-g103-twin-astir) (OpenAirDocs)
- Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs)
- Reported make and model: GROB G103TWNASTIR
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 150 total, 11 in this make and model
- NTSB investigation: [NTSB LAX90LA130](https://openairdocs.org/ntsb/LAX90LA130) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900331007411A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

GLIDER LANDING RUNWAY 22 HIT PROP AND COWL OF TOW PLANE PARKED SIDE OF RUNWAY WITH ENGINE RUNNING.

## Other aircraft in the event

- N4116Y, Bbavia 8GCBC: [Accident 19900331007412A](https://openairdocs.org/incident/19900331007412A)

## The NTSB's investigation of this event (1)

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.

- [NTSB LAX90LA130](https://openairdocs.org/ntsb/LAX90LA130), Mar 31, 1990: Burkhart Grob 103 (N3837J), Byron, CA, substantial damage. Probable cause: THE PILOT'S INADEQUATE VISUAL LOOKOUT FOR OBJECTS ALONG THE LANDING RUNWAY.

## Other reports on N3837J (1)

Matched to the same aircraft by N-number and date.

- [Incident 19940530023789I](https://openairdocs.org/incident/19940530023789I), May 30, 1994: Grob G103TWNASTIR (N3837J), Sparks, NV, Minor damage. Strong downdraft returning to Gliderport. Landed on a hillside 2 miles west of airport.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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