# Accident 19980924026949A: Grumav S2F1, Wasilla, AK, September 24, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 24, 1998, 12:40 local time
- Place: Wasilla, AK
- Airport: Wasilla Airport
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 61.5720° N, 149.5396° W: Placed by OpenAirDocs at WASILLA (IYS), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.5720&lon=-149.5396&mi=10
- Aircraft: N8115V (not matched to a registry record)
- Reported make and model: GRUMAV S2F1
- Reported engine: WRIGHT R182082
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 10,100 total, 32 in this make and model, 210 in the last 90 days
- NTSB investigation: [NTSB ANC98LA164](https://openairdocs.org/ntsb/ANC98LA164) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980924026949A

## Narrative

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

(-23) DURING LANDING ROLL UNDER HEAVY BRAKING THERE WAS A LOSS OF BRAKING ON THE RIGHT HAND SIDE, DIFFERENTIAL POWER APPLICATION FAILED TO CORRECT THE DRIFT TO THE LEFT. THE AIRCRAFT DEPARTED THE RUNWAY WHERE THE NOSE LANDING GEAR CONTACTED A TREE STUMP AND SUBSEQUENTLY COLLAPSED. (.4) DURING LANDING, THE RIGHT BRAKE SEAL FAILED ON THE EXPERIMENTAL CATEGORY, EX-MILITARY AIRPLANE. THE AIRPLANE DEPARTED THE LEFT SIDE OF THE 3,700 FEET LONG BY 75 FEET WIDE GRAVEL RUNWAY. THE RIGHT BRAKE SYSTEM HAD BEEN OVERHAULED, AND THE RIGHT BRAKE SEAL REPLACED, 15 HOURS PRIOR TO THE ACCIDENT.

## 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 ANC98LA164](https://openairdocs.org/ntsb/ANC98LA164), Sep 24, 1998: Grumman S2F-1 (N8115V), Wasilla, AK, substantial damage. Probable cause: The failure of the recently overhauled right brake seal resulting in a total loss of brake fluid, failure of the right brake system, and subsequent inability of the pilot to utilize the brake. A…

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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