# N5998Y: 1966 Piper PA-23-250, registration cancelled 2014-10-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 29, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308)
- Engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533)
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10), [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (OpenAirDocs)
- Serial number: 27-3172
- Year built: 1966
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: February 24, 1966
- Certificate issued: December 14, 1984
- Last registry action: March 2, 2009
- Mode S code: A7C25D
- Owners when cancelled: [Gandy Abb](https://openairdocs.org/faa-owner/GANDY%20ABB), [Killian Joe](https://openairdocs.org/faa-owner/KILLIAN%20JOE), [Grigry Wayne](https://openairdocs.org/faa-owner/GRIGRY%20WAYNE)
- Location: [Monahans, TX](https://openairdocs.org/faa-place/TX/Monahans)
- Owner type: Co-owned
- Owner's area on the map: 31.5348° N, 102.8774° W: Placed by OpenAirDocs at the center of ZIP code 79756, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5998Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5998Y
- Page: https://openairdocs.org/deregistered/N5998Y-2014-10-29

From the FAA registry file of November 4, 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 Piper PA-23-250: https://openairdocs.org/model/piper-pa-23-250.md

## NTSB investigations (2)

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 FTW87FA184](https://openairdocs.org/ntsb/FTW87FA184), Aug 1, 1987: Piper PA-23-250 (N5998Y), Imperial, TX, destroyed, 1 fatal
- [NTSB DEN80DQA10](https://openairdocs.org/ntsb/DEN80DQA10), Nov 10, 1979: Piper PA-23 (N5998Y), Ruidoso, NM, minor damage

## FAA accident and incident reports (2)

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 19870801040259A](https://openairdocs.org/incident/19870801040259A), Aug 1, 1987: Piper PA23250 (N5998Y), Imperial, TX, Destroyed, 1 fatal. Caught a wing in the water while buzzing a lake. Aircraft cartwheeled and sank. Pilot drank a beer prior to flight
- [Accident 19791110032579A](https://openairdocs.org/incident/19791110032579A), Nov 10, 1979: Piper PA23250 (N5998Y), Ruidoso, NM, Minor damage. Pilot said flaps were down 10 degrees, but indicator said full flaps. Unable to verify. Overshot runway.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
