# Hard Alan XP 503 - Type: Aircraft model (FAA registry) - Registry code: 05644TV - Manufacturer (registry): HARD ALAN - Model: XP 503 - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - Seats: 2 - Weight class: Up to 12,499 lb - Certification: Not type certificated - Registered aircraft: 0 - Page: https://openairdocs.org/model/hard-alan-xp-503 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 CHI95LA330](https://openairdocs.org/ntsb/CHI95LA330), Sep 23, 1995: Hard Maxair Drifter (N4255Q), Mexico, MO, substantial damage. Probable cause: fuel exhaustion as a result of excessive fuel flow, and failure of the pilot not properly monitoring fuel consumption. Rough/uneven terrain in the emergency landing area was a related 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 19950923030029A](https://openairdocs.org/incident/19950923030029A), Sep 23, 1995: Amtr XP503 (N4255Q), Mexico, MO, Substantial damage. (.4)The pilot reported that he based his fuel calculations on the typical fuel burn of 4.5 gallons per hour. On the first leg of the flight, his calculations… ## Service difficulty reports (9) As reported by operators and repair stations, by the model named in the report. - [SDR AU980722](https://openairdocs.org/sdr/AU980722), Jun 29, 1998: STRUT. DAMAGED. (AUS) LEFT MAIN LANDING GEAR STRUT BENT DURING FORCED LANDING. SLIGHT DAMAGE TO PROPELLER. - [SDR AU980098](https://openairdocs.org/sdr/AU980098), Jan 20, 1998: LANDING GEAR. DAMAGED. (AUS) AIRCRAFT HIT FENCE WHEN CONTROL LOST DURING LANDING. DAMAGE CAUSED TO LANDING GEAR, NOSE POD AND LOWER FUEL TANK. THIS DEFECT WAS RECEIVED FROM THE AUF AN - [SDR AU970952](https://openairdocs.org/sdr/AU970952), May 21, 1997: PROPELLER. FOD. (AUS) PILOTS VISOR FLEW OFF AND STRUCK PROPELLER CAUSING A SMALL SECTION OF THE LEADING EDGE TO SEPARATE - THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFO - [SDR AU970319](https://openairdocs.org/sdr/AU970319), Feb 22, 1997: WHEEL. SEPARATED. (AUS) TAIL WHEEL SEPARATED FROM AIRCRAFT - AIRCRAFT RAN OFF STRIP - DAMAGE TO RH WING TIP , PITOT AND RH UNDERCARRIAGE LEG - THIS DEFECT WAS RECEIVED FROM THE A - [SDR AU960873](https://openairdocs.org/sdr/AU960873), Apr 6, 1996: AXLE. FAILED. (AUS) LH AXLE FAILED - LH WHEEL AND AXLES SEPARATED FROM LANDING GEAR LEG HELD ONLY BY BRAKE CABLE - AIRCRAFT HAD HEAVY LANDING TWO DAYS PREVIOUS - THIS DEFECT - [SDR AU960874](https://openairdocs.org/sdr/AU960874), Apr 1, 1996: ENGINE. FAILED. (AUS) ENGINE RAN ROUGH AND STOPPED - AIRCRAFT LANDED IN SHALLOW WATER ON BEACH DAMAGING ELEVATOR AND ELEVATOR CONTROL ROD - THIS DEFECT WAS RECEIVED FROM THE AU - [SDR AU960868](https://openairdocs.org/sdr/AU960868), Feb 21, 1996: WHEEL. FAILED. (AUS) LH WHEEL FAILED DUE TO INSUFFICIENT WELD - PERSONNEL/MAINTENANCE ERROR - THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFORMATION ONLY - [SDR AU960250](https://openairdocs.org/sdr/AU960250), Jan 28, 1996: PISTON. CRACKED. (AUS) ENGINE PISTON CROWN CRACKED - THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFORMATION ONLY - [SDR AU960248](https://openairdocs.org/sdr/AU960248), Jan 23, 1996: SPRING. BROKEN. (AUS) TAIL WHEEL SPRING FAILED DURING LANDING - THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFORMATION ONLY ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Demille Robert C JR XP 503](https://openairdocs.org/model/demille-robert-c-jr-xp-503): 1 registered aircraft, registry code 05676H8 - [Maxair XP 503](https://openairdocs.org/model/maxair-xp-503): 1 registered aircraft, registry code 05902T7 - [Stephan Gary XP 503](https://openairdocs.org/model/stephan-gary-xp-503): 0 registered aircraft, registry code 05605CF - [Rude Allen G XP503](https://openairdocs.org/model/rude-allen-g-xp503): 0 registered aircraft, registry code 05613QR - [Martin Dallas XP 503](https://openairdocs.org/model/martin-dallas-xp-503): 0 registered aircraft, registry code 056250Z - [Reinhart K W/Wilson C A XP503](https://openairdocs.org/model/reinhart-k-w-wilson-c-a-xp503): 0 registered aircraft, registry code 05625FB - [Nicorvo Antonio XP 503](https://openairdocs.org/model/nicorvo-antonio-xp-503): 0 registered aircraft, registry code 05644PT - [Payne Kelsey F XP 503](https://openairdocs.org/model/payne-kelsey-f-xp-503): 0 registered aircraft, registry code 05644QA - [Jordan Paul XP 503](https://openairdocs.org/model/jordan-paul-xp-503): 0 registered aircraft, registry code 05644RB - [Jones Jay XP 503](https://openairdocs.org/model/jones-jay-xp-503): 0 registered aircraft, registry code 05644RC - [Hering Robert D XP-503](https://openairdocs.org/model/hering-robert-d-xp-503): 0 registered aircraft, registry code 05644RE - [Linamen Gregory A XP-503](https://openairdocs.org/model/linamen-gregory-a-xp-503): 0 registered aircraft, registry code 05644RG --- 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.