# N500HP: 1963 Dee Howard 500 - Status: Valid registration - Airframe: [Dee Howard 500](https://openairdocs.org/model/dee-howard-500) (registry code 4390102, 21 seats) - Engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026) - Data sheets: [TCDS A1SW](https://openairdocs.org/tcds/A1SW) (The Dee Howard Company) (OpenAirDocs) - Serial number: 500-105 - Year built: 1963 - Type: Fixed wing multi engine - Engine type: Reciprocating - Airworthiness: Standard, transport - Airworthiness date: July 11, 1963 - Certificate issued: March 27, 2023 - Expires: March 31, 2030 - Mode S code: A63AAD - Registered owner: [Lilja Corp](https://openairdocs.org/faa-owner/LILJA%20CORP) - Location: [Livermore, CA](https://openairdocs.org/faa-place/CA/Livermore) - Owner type: Corporation - Owner's area on the map: 37.7505° N, 121.7492° W: Placed by OpenAirDocs at the center of ZIP code 94551, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=500HP - Page: https://openairdocs.org/aircraft/N500HP From the FAA registry file of October 24, 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. The registry lists only the engine series, so ADs for every Pratt & Whitney R-2800 model are included. ## ADs that may apply (OpenAirDocs): 2 in force ### Matched by airframe (Dee Howard 500) - [AD 67-03-04](https://openairdocs.org/ad/67-03-04): Flap Cable Support Clamps · Air Trading Navy PV-1 and 500. Effective Jan 25, 1967 - [AD 67-03-03](https://openairdocs.org/ad/67-03-03): Elevator Torque Tube Collars · Air Trading Navy PV-1 and 500. Effective Jan 23, 1967 ### Matched by engine (Pratt & Whitney R-2800 series) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N500HP. ## 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. - [Incident 20020318006709I](https://openairdocs.org/incident/20020318006709I), Mar 18, 2002: Deehow 500HOWARD (N500HP), Fort Wayne, IN, Minor damage. (-23) When N500HP landed o rw 32 at fwa, pilot discovered tail wheel did not lock down in position. Inspection revealed only minor damage to tail wheel.… - [Incident 20020310006699I](https://openairdocs.org/incident/20020310006699I), Mar 10, 2002: Deehow 500HOWARD (N500HP), Minneapolis, MN, Minor damage. (-23) After landing on runway 30L Minneapolis and during roll-out and turn-off from runway, tailwheel began oscillation and half-way collapsed. Tailwheel… ## 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) (11) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Dee Howard 500) - [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc - [STC SA451CE](https://openairdocs.org/stc/SA451CE): Install Hoskins Twilighter MK III Supplementary lighting system with Model E, F or P wing tip and Model C tail lights. BF Goodrich Aerospace - [STC SA98CE](https://openairdocs.org/stc/SA98CE): Installation of Hoskins Supplemental Model A, B, E high intensity wing tip lights, Model C tail light, with or without Model 2 high intensity fuselage light. BF Goodrich Aerospace - [STC SA1969SW](https://openairdocs.org/stc/SA1969SW): Installation of tail wheel tire 6.00 X 6, 8 PR, Type III and wheel. Sierra Industries, Inc - [STC SA546SW](https://openairdocs.org/stc/SA546SW): Installation of double action main landing gear doors. Sierra Industries, Inc - [STC SA686SW](https://openairdocs.org/stc/SA686SW): Installation of Pratt & Whitney R2800-CB16 engine power ratings with 100/130 grade fuel and cabin compressor automatic disconnect. Sierra Industries, Inc - [STC SA738SW](https://openairdocs.org/stc/SA738SW): Installation of elevator torque tube flange. Sierra Industries, Inc - [STC SA743SW](https://openairdocs.org/stc/SA743SW): Clamp, flap actuating cylinder H500 P/N 5-104268-1. Sierra Industries, Inc - [STC SA760SW](https://openairdocs.org/stc/SA760SW): Installation of flap actuating cylinder attach bracket. Sierra Industries, Inc - [STC SA723SW](https://openairdocs.org/stc/SA723SW): F1002 windshield temperature control system. Flores M R - [STC SA451SW](https://openairdocs.org/stc/SA451SW): Installation of exhaust system. Howard Research & Development Co ## Related - Other Dee Howard 500 aircraft: https://openairdocs.org/model/dee-howard-500/aircraft.md - The Pratt & Whitney R-2800 series engine: https://openairdocs.org/engine/pratt-whitney-r-2800-series.md --- 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.