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Aircraft record

N46991Hiller OH-23D

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 15, 2013.

Safety record in brief:2 NTSB accidents (substantial damage at worst, latest Oct 1988)No ADs since 1998 matched

Registration
Deregistered
Last based in
Delano, CA
owner city / state
Owners
1
since 1981
NTSB events
2
substantial, 1988
ADs may apply
0
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
San Joaquin Helicopters
Owner type
Corporation
City, state
Delano, CA
Certificate issued
Nov 9, 1981
Canceled
Aug 15, 2013
Airworthiness
Restricted · Agriculture and Pest Control
Airworthiness date
Mar 1, 1983

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Hiller
Model
OH-23D
Serial number
962
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
4
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
4H10
Mode S code
A5BEB7

Engine

Type
Reciprocating

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 1981 – 2013San Joaquin HelicoptersDelano, CA
  2. 1950Co-ownersIndianapolis, IN · different airframe: Fairchild M-62a S/N T41-1287

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (2)

Accident · substantial damage

Feb 19, 1987 · Coalinga, CA

THE PLT REPORTED THAT BEFORE HE BEGAN THE AGRICULTURAL AERIAL APPLICATION FLIGHT HE NOTED THAT THE FUEL GAUGE WAS INOPERATIVE. THE PLT COMPLETED TWO FLIGHTS, RETURNING TO THE LOADING AREA AFTER EACH FLIGHT. AFTER COMPLETING THE THIRD FLIGHT AND WHILE RETURNING TO THE LOADING AREA THE ENGINE SUSTAINED A TOTAL POWER LOSS. DURING THE ENSUING AUTOROTATION THE PLT FLARED TOO HIGH AND LOST TAIL ROTOR…

Damage
Substantial
Injuries
None
Report
LAX87DVA05

From NTSB records; matched by serial number.Read NTSB report (search CAROL for LAX87DVA05)

ADs published since 1998 that may apply (0)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

No ADs published since 1998 matched this airframe or engine model.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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