# N9MB: 1945 Northrop/Air Museum N9M

- Status: Valid registration
- Airframe: [Northrop/Air Museum N9M](https://openairdocs.org/model/northrop-air-museum-n9m) (registry code 6458006, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 04
- Year built: 1945
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: December 28, 1993
- Certificate issued: February 3, 1993
- Expires: January 31, 2030
- Mode S code: AC6B8F
- Registered owner: [Planes Of Fame Air Musuem](https://openairdocs.org/faa-owner/PLANES%20OF%20FAME%20AIR%20MUSUEM)
- Location: [Chino, CA](https://openairdocs.org/faa-place/CA/Chino)
- Owner type: Corporation
- Owner's area on the map: 34.0051° N, 117.6825° W: Placed by OpenAirDocs at the center of ZIP code 91710, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9MB
- Page: https://openairdocs.org/aircraft/N9MB

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Northrop/Air Museum N9M)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## 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 WPR19FA118](https://openairdocs.org/ntsb/WPR19FA118), Apr 22, 2019: Northrop N9M (N9MB), Norco, CA, destroyed, 1 fatal. Probable cause: The pilot's loss of control for undetermined reasons.

## FAA accident and incident reports (3)

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 20190422008259A](https://openairdocs.org/incident/20190422008259A), Apr 22, 2019: Northrop/Air Museum N9M (N9MB), Norco, CA, Destroyed, 1 fatal. Multiple witnesses located near the accident site reported observing the airplane flying on a north eastern heading at a low altitude when it performed a…
- [Incident 20160821013979I](https://openairdocs.org/incident/20160821013979I), Aug 21, 2016: Northrop/Air Museum N9M (N9MB), Chino, CA, Minor damage. After normal landing and during rollout, the aircraft felt as if it hit a bump, the nose of the aircraft lowered and a loud metal dragging sound could be…
- [Incident 20040422009909I](https://openairdocs.org/incident/20040422009909I), Apr 22, 2004: Nortrp N9MB (N9MB), Chino, CA. (-23) N9MB, the northrop flying wing, reported a rough running engine prior to landing at Chino, CA without further incident at 221326PDT.

## Reports on N9MB not matched to an aircraft (1)

They name N9MB, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19860123022969I](https://openairdocs.org/incident/19860123022969I), Jan 23, 1986: Cessna 172N (N9MB), Phoenix, AZ. On departure pilot deviated from assigned heading on a stage 3 clearance.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Northrop/Air Museum N9M aircraft: https://openairdocs.org/model/northrop-air-museum-n9m/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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