# Purdy HP-18

- Type: Aircraft model (FAA registry)
- Registry code: 05647L6
- Manufacturer (registry): PURDY
- Model: HP-18
- Aircraft type: Glider
- Category: Glider
- Engines: None
- Seats: 1
- Weight class: Up to 12,499 lb
- Cruise speed: 60 mph
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/purdy-hp-18

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 (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 FTW95LA209](https://openairdocs.org/ntsb/FTW95LA209), May 21, 1995: Purdy HP-18 (N15DP), Hempstead, TX, substantial damage. Probable cause: THE PILOT'S POOR IN FLIGHT PLANNING/DECISION. THE LACK OF THERMAL LIFT WAS A FACTOR.

## FAA accident and incident reports (1)

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 19950521012129A](https://openairdocs.org/incident/19950521012129A), May 21, 1995: Amtr HP18 (N15DP), Hempstead, TX, Substantial damage. Ran out of lift. Elected land in a field. Wing struck a hay bale.

## The same model under other registry codes

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

- [Nutall Dana HP 18](https://openairdocs.org/model/nutall-dana-hp-18): 1 registered aircraft, registry code 05618OB
- [Harrison John C HP-18](https://openairdocs.org/model/harrison-john-c-hp-18): 1 registered aircraft, registry code 05623LK
- [Murrill Robert J HP-18](https://openairdocs.org/model/murrill-robert-j-hp-18): 1 registered aircraft, registry code 05625SU
- [Lovell-Johnston-Keller HP-18](https://openairdocs.org/model/lovell-johnston-keller-hp-18): 1 registered aircraft, registry code 0564755
- [Marker HP-18](https://openairdocs.org/model/marker-hp-18): 1 registered aircraft, registry code 0564765
- [Frappier HP-18](https://openairdocs.org/model/frappier-hp-18): 1 registered aircraft, registry code 0564768
- [Silent Soarers HP-18](https://openairdocs.org/model/silent-soarers-hp-18): 1 registered aircraft, registry code 0564774
- [Fitch HP-18](https://openairdocs.org/model/fitch-hp-18): 1 registered aircraft, registry code 0564796
- [Spealman John M HP-18](https://openairdocs.org/model/spealman-john-m-hp-18): 1 registered aircraft, registry code 05647AW
- [Patton Bruce H HP-18](https://openairdocs.org/model/patton-bruce-h-hp-18): 1 registered aircraft, registry code 05647DW
- [Fisher Robert H HP-18](https://openairdocs.org/model/fisher-robert-h-hp-18): 1 registered aircraft, registry code 05647HR
- [Edvinson-Lennart HP-18](https://openairdocs.org/model/edvinson-lennart-hp-18): 1 registered aircraft, registry code 05647Y9

---
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.