# Thorp T-18-2

- Type: Aircraft model (FAA registry)
- Registry code: 89510T5
- Manufacturer (registry): THORP
- Model: T-18-2
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Cruise speed: 97 mph
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/thorp-t-18-2

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

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (10)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025FA0000401](https://openairdocs.org/sdr/2025FA0000401), Jun 6, 2025: HOUSING. FAILED. I HAD THE ELECTROAIR DUAL EIS INSTALLED BY THEIR RECOMMENDED INSTALLER. I HAD 3 NEW SEPARATE MTH (MAG TIMING HOUSING) FAILURES RESULTING IN VERY POOR ENGINE OPE
- [SDR 2022FA0000075](https://openairdocs.org/sdr/2022FA0000075), Feb 4, 2022: MAGNETO. CRACKED. MAGNETO TIMING REPORT AFTER EACH FLIGHT. (TWO CONSECUTIVE FLIGHTS WITH THE SAME REPORT) - DISTRIBUTOR BLOCK CRACKS FOUND AT MAGNETO INSPECTION.
- [SDR 2017FA0000303](https://openairdocs.org/sdr/2017FA0000303), Aug 1, 2017: BUSHING. SPUN. DURING THE INSPECTION OF CONNECTING ROD BUSHING PER SB632A, TECHNICIAN FOUND 4 CONNECTING ROD BUSHINGS SPUN WHILE PERFORMING CHECK PER INSTRUCTIONS IDENTIFIED I
- [SDR 2008FA0000296](https://openairdocs.org/sdr/2008FA0000296), Apr 25, 2008: UNKNOWN. MALFUNCTIONED. WHEN TURNING THE INNER "CRS" COARSE KNOB THE OUTER "BARO" BAROMETRIC PRESSURE KNOB WOULD TURN ALSO. CHANGING THE ALTITUDE.
- [SDR 2006FA0000397](https://openairdocs.org/sdr/2006FA0000397), Feb 9, 2006: FLAP. DAMAGED. ON DEC 4, 2005, THE RT FLAP JAMMED AT THE IB ATTACH ARMS IN ABOUT THE 20 DEGREE POSITION. FLAP MOTOR CONTINUED TO RUN FOR A SHORT PERIOD OF TIME, CAUSING SEVERE
- [SDR G4V2003F00001](https://openairdocs.org/sdr/G4V2003F00001), Dec 11, 2002: FAIRING. MISINSTALLED. AFT NOSE GEAR FAIRING APPEARED TO BE INSTALLED INCORRECTLY, ALLOWING IT TO BE HIGHER THAN THE FORWARD NOSE GEAR FAIRING AND CAUSING IT TO ACT AS AN AIR SCOOP, A
- [SDR G4V2003F00000](https://openairdocs.org/sdr/G4V2003F00000), Dec 11, 2002: FAIRING. MISINSTALLED. AFT NOSE GEAR FAIRING APPEARED TO BE INSTALLED INCORRECTLY ALLOWING IT TO BE HIGHER THAN THE FORWARD NOSE GEAR FAIRING, CAUSING IT TO ACT AS AN AIR SCOOP, AIR L
- [SDR 2001FA0000049](https://openairdocs.org/sdr/2001FA0000049), May 19, 2001: ANTENNA. BROKEN. AIRCRAFT FLEW IN WITH BOTH ANTENNA BROKEN. AIRCRAFT TOTAL TIME WAS 5 HOURS. PROBABLE CAUSE NOT KNOWN.
- [SDR 2001FA0000048](https://openairdocs.org/sdr/2001FA0000048), May 19, 2001: ANTENNA. BROKEN. AIRCRAFT FLEW IN WITH BOTH VHF COMM ANTENNA BROKEN. AIRCRAFT TOTAL TIME WAS 5 HOURS. PROBABLE CAUSE NOT KNOWN.
- [SDR 97ZZZX1195](https://openairdocs.org/sdr/97ZZZX1195), Feb 17, 1997: SPRING. BROKEN. AFTER AN INITIAL TEST FLIGHT OF 1.1 HOURS, IT WAS NOTED THAT A LARGE AMOUNT OF OIL HAD COLLECTED ON THE RT SIDE OF THE ENG. FURTHER INSP REVEALED THAT THE PUSHR

## The same model under other registry codes

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

- [Cessna T182](https://openairdocs.org/model/cessna-t182): 58 registered aircraft, registry code 2072736
- [Thorpe T-18-2](https://openairdocs.org/model/thorpe-t-18-2): 1 registered aircraft, registry code 89510T4

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