# NTSB LAX93FAMS1: Grumman AA-1B, N9890L, Pacific Ocean (Pacific Ocean), November 6, 1992

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Missing aircraft · Final report
- Date: November 5, 1992, 14:38 local (Nov 6, 1992, 00:38 UTC)
- Place: Pacific Ocean (Pacific Ocean)
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 26, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 27833
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX93FAMS1
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/27833/pdf
- Page: https://openairdocs.org/ntsb/LAX93FAMS1

## Probable cause

UNDETERMINED.  THE AIRCRAFT WAS NOT LOCATED.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Missing aircraft, unknown
  - reason for occurrence undetermined (cause)

## Analysis

THE PILOT RECEIVED A CHECKOUT IN THE AIRCRAFT BEFORE DEPARTING ON THE ACCIDENT FLIGHT.  THE PILOT REPORTED THAT HE INTENDED TO FLY TO THE HAWAIIAN VOLCANO AREA BEFORE RETURNING TO THE DEPARTURE AIRPORT.  THE AIRCRAFT NEVER RETURNED. WHEN THE AIRCRAFT FAILED TO RETURN THE OPERATOR CONTACTED THE FAA AND REPORTED THE IT WAS OVERDUE.  THE FAA INITIATED A FIELD OF THE SURROUNDING  AIRPORTS, BUT WITHOUT SUCCESS.  A SEARCH AND RESCUE PROCEDURE WAS INITIATED AND TERMINATED 7 DAYS LATER.  THE AIRCRAFT WAS NOT FOUND.

## Aircraft

- Registration: [N9890L](https://openairdocs.org/deregistered/N9890L-1999-03-30), registration cancelled 1999-03-30, S/N AA1B-0490 (OpenAirDocs)
- Reported make and model: GRUMMAN AA-1B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Category: Airplane
- Serial number: AA18-0490
- Engines: LYCOMING O-235-C2C 108 horsepower reciprocating
- Damage: Destroyed
- Fire: Unknown
- Flight: Personal, Part 91
- Operator: Kona Aviation
- Registered owner: Millard, M.H. & Doris Jean
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 10, 1992
- Departed: KOA, KAILUA, HI
- Destination: KOA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 60; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,608 total, 2,538 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 350° at 11 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 82 °F
- Altimeter: 29.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19921105052109A](https://openairdocs.org/incident/19921105052109A), Nov 5, 1992: Gulstm AA1B, Pacific Ocean, HI, Destroyed, 2 fatal. Became missing on flight to another island. Believed down in Ocean. No trace ever found.

## Other investigations on N9890L (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 OAK76FJA19](https://openairdocs.org/ntsb/OAK76FJA19), Jul 8, 1976: Amer Avco AA1-B (N9890L), Ford Island, HI, substantial damage

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.

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