# Accident 20080905850739A: Diehlw S4, AK, September 5, 2008

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 5, 2008, 16:50 local time
- Place: AK
- Damage: Substantial damage
- Phase of flight: Takeoff
- Operating rules: General operating rules (Part 91)
- Location: 64.7339° N, 156.9264° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=64.7339&lon=-156.9264&mi=10
- Aircraft: N4BZ, a cancelled registration (https://openairdocs.org/deregistered/N4BZ-2013-11-04) (OpenAirDocs)
- Registry model: Diehl William A S-4 (registry code 05618K4, https://openairdocs.org/model/diehl-william-a-s-4) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: DIEHLW S4
- Reported engine: LYC O320*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 800 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB ANC08CA118](https://openairdocs.org/ntsb/ANC08CA118) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20080905850739A

## Narrative

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

(-23) ^PRIVACY DATA OMITTED^ ^PRIVACY DATA OMITTED^ PILOT ATTEMPTED TAKEOFF DURING CALM CONDITIONS.  PILOT WAS ABLE TO LIFT ONLY ONE FLOAT FROM WATER.  PILOT APPLIED FULL FLAPS IN ATTEMPT TO TAKEOFF.  PILOT LOST CONTROL OF AIRPLANE AND AIRPLANE SUNK.

## 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 ANC08CA118](https://openairdocs.org/ntsb/ANC08CA118), Sep 5, 2008: Diehl William A S-4 (N4BZ), Galena, AK, substantial damage. Probable cause: The pilot's failure to maintain pitch control of the airplane during takeoff, and the pilot's inadequate preflight inspection of the airplane.

## Other reports on N4BZ (1)

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

- [Accident 19990911025419A](https://openairdocs.org/incident/19990911025419A), Sep 11, 1999: Amtr S4 (N4BZ), Anchorage, AK, Substantial damage. 19) On September 11, 1999, about 1145 Alaska daylight time, a float equip ped homebuilt/experiemental william diehl, interstate S-4 airplane, N4BZ, sustained…

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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