# Diehl William A S-4

- Type: Aircraft model (FAA registry)
- Registry code: 05618K4
- Manufacturer (registry): DIEHL WILLIAM A
- Model: S-4
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 4
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 1
- Page: https://openairdocs.org/model/diehl-william-a-s-4

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (1)

- [N40VV](https://openairdocs.org/aircraft/N40VV): [Faulkner Winthrop S](https://openairdocs.org/faa-owner/FAULKNER%20WINTHROP%20S), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), S/N 005

## NTSB investigations (2)

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.
- [NTSB ANC99LA143](https://openairdocs.org/ntsb/ANC99LA143), Sep 11, 1999: Diehl Interstate S-4 (N4BZ), Anchorage, AK, substantial damage. Probable cause: The pilot's inadequate planning/decision, and his failure to maintain directional control of the airplane. Factors in the accident were a short runway/lake area for departure, and the pilot's…

## FAA accident and incident reports (2)

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.

- [Accident 20080905850739A](https://openairdocs.org/incident/20080905850739A), Sep 5, 2008: Diehlw S4 (N4BZ), AK, Substantial damage. (-23) [privacy data omitted] [privacy data omitted] pilot attempted takeoff during calm conditions. Pilot was able to lift only one float from water. Pilot…
- [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…

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Diehl William A S4](https://openairdocs.org/model/diehl-william-a-s4): 2 registered aircraft, registry code 05613XW
- [Rans S-4](https://openairdocs.org/model/rans-s-4): 2 registered aircraft, registry code 05903KW
- [Strojnik Alex S-4](https://openairdocs.org/model/strojnik-alex-s-4): 0 registered aircraft, registry code 056121P
- [Mcallister Charles D S-4](https://openairdocs.org/model/mcallister-charles-d-s-4): 0 registered aircraft, registry code 05620E4
- [Olguin Eddie JR S4](https://openairdocs.org/model/olguin-eddie-jr-s4): 0 registered aircraft, registry code 05631ZA
- [Saunders Don R S-4](https://openairdocs.org/model/saunders-don-r-s-4): 0 registered aircraft, registry code 05655CM
- [Trusty-Rans S4](https://openairdocs.org/model/trusty-rans-s4): 0 registered aircraft, registry code 05902N2
- [Sevdy-Pitts S-4](https://openairdocs.org/model/sevdy-pitts-s-4): 0 registered aircraft, registry code 72202Y7

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