# N21S: Beech H-18S, registration cancelled 1984-08-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 31, 1984
- Status when cancelled: Administratively canceled
- Airframe: [Beech H-18S](https://openairdocs.org/model/beech-h-18s) (registry code 1151001)
- Serial number: BA690
- Type of aircraft: Fixed wing multi engine
- Mode S code: A1B8B9
- The mark today: https://openairdocs.org/aircraft/N21S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21S
- Page: https://openairdocs.org/deregistered/N21S-1984-08-31

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Beech H-18S: https://openairdocs.org/model/beech-h-18s.md

## NTSB investigations (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 LAX84LA401](https://openairdocs.org/ntsb/LAX84LA401), Jul 17, 1984: Beech H18S (N21S), Honolulu, HI, destroyed

## FAA accident and incident reports (1)

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 19840717059309A](https://openairdocs.org/incident/19840717059309A), Jul 17, 1984: Beech H18S (N21S), Honolulu, HI, Destroyed. Crash occurred during forced landing in ocean. Magneto on right engine had all but 11 gear teeth stripped off.

## Other aircraft with N21S

- [Registered now](https://openairdocs.org/aircraft/N21S): Schweitzer Jerome RV6, S/N 22114, built 1995
- [Cancelled 1995-02-01](https://openairdocs.org/deregistered/N21S-1995-02-01): Schweitzer Jerome V-6 STOL-S, S/N 1. Triennial form not returned. Owner: [Schweitzer Jerome M](https://openairdocs.org/faa-owner/SCHWEITZER%20JEROME%20M), [Bedford, IA](https://openairdocs.org/faa-place/IA/Bedford)

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