# Pezetel ASZ-621R-M18

- Type: Engine model (FAA registry)
- Registry code: 49800
- Manufacturer (registry): PEZETEL
- Model: ASZ-621R-M18
- Engine type: Reciprocating
- Power: 967 hp
- Installed in: 9 registered aircraft
- Page: https://openairdocs.org/engine/pezetel-asz-621r-m18

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (9)

- [N184RA](https://openairdocs.org/aircraft/N184RA): [Dodson International Parts Inc](https://openairdocs.org/faa-owner/DODSON%20INTERNATIONAL%20PARTS%20INC), [Rantoul, KS](https://openairdocs.org/faa-place/KS/Rantoul), built 1984, S/N 1Z013-30
- [N435B](https://openairdocs.org/aircraft/N435B): [Single Otter Leasing LLC](https://openairdocs.org/faa-owner/SINGLE%20OTTER%20LEASING%20LLC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1956, S/N 183
- [N49AW](https://openairdocs.org/aircraft/N49AW): [Summit Leasing LLC](https://openairdocs.org/faa-owner/SUMMIT%20LEASING%20LLC), [Kenai, AK](https://openairdocs.org/faa-place/AK/Kenai), built 1958, S/N 310
- [N560TR](https://openairdocs.org/aircraft/N560TR): [Jespersen Aircraft Services Inc](https://openairdocs.org/faa-owner/JESPERSEN%20AIRCRAFT%20SERVICES%20INC), [Bettles Field, AK](https://openairdocs.org/faa-place/AK/Bettles%20Field), built 1956, S/N 141
- [N6288M](https://openairdocs.org/aircraft/N6288M): [Crop Jet Aviation LLC](https://openairdocs.org/faa-owner/CROP%20JET%20AVIATION%20LLC), [Gooding, ID](https://openairdocs.org/faa-place/ID/Gooding), built 1996, S/N 1Z026-13
- [N6661B](https://openairdocs.org/aircraft/N6661B): [Mtp Enterprises Inc](https://openairdocs.org/faa-owner/MTP%20ENTERPRISES%20INC), [Burke, SD](https://openairdocs.org/faa-place/SD/Burke), S/N 1Z022-06
- [N737SL](https://openairdocs.org/aircraft/N737SL): [Kimbrel Michael G](https://openairdocs.org/faa-owner/KIMBREL%20MICHAEL%20G), [Oakville, WA](https://openairdocs.org/faa-place/WA/Oakville), built 1981, S/N 1G19343
- [N892JM](https://openairdocs.org/aircraft/N892JM): [Mjm Aviation International LLC](https://openairdocs.org/faa-owner/MJM%20AVIATION%20INTERNATIONAL%20LLC), [Bowling Green, MO](https://openairdocs.org/faa-place/MO/Bowling%20Green), built 1985, S/N 1Z015-20
- [N90429](https://openairdocs.org/aircraft/N90429): [Donohue Andrew](https://openairdocs.org/faa-owner/DONOHUE%20ANDREW), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa), S/N 1Z016-14

## NTSB investigations (12)

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 ANC21LA094](https://openairdocs.org/ntsb/ANC21LA094), Aug 21, 2021: Dehavilland DHC-3 (N560TR), Bettles, AK, substantial damage. Probable cause: The seizure of the engine during flight for undetermined reasons, which led to a total loss of engine power.
- [NTSB ERA10CA279](https://openairdocs.org/ntsb/ERA10CA279), May 22, 2010: PZL Mielec M18 (N80188), Lake Placid, FL, substantial damage. Probable cause: The pilot's failure to maintain directional control during the takeoff roll.
- [NTSB CHI07CA112](https://openairdocs.org/ntsb/CHI07CA112), Apr 21, 2007: PZL Warzawa-CNPSL PZL-104 Wilga 35A (N231E), Waukesha, WI, substantial damage. Probable cause: The pilot's decision to attempt flight following the initial loss of engine power and successful forced landing to a cornfield. An additional cause was the loss of engine power for undetermined…
- [NTSB LAX05TA277](https://openairdocs.org/ntsb/LAX05TA277), Aug 23, 2005: WSK PZL Mielec M-18A (N7077N), Elko, NV, substantial damage. Probable cause: the pilot's failure to adequately plan for the wind direction and speed during a fire retardant delivery flight, which led to a loss of true airspeed, failure to attain a proper climb rate, and the…
- [NTSB SEA04TA147](https://openairdocs.org/ntsb/SEA04TA147), Jul 26, 2004: WSK PZL Mielec M-18A (N495WP), Burns, OR, substantial damage. Probable cause: The improper installation of the throttle linkage clevis to the throttle control arm by unknown maintenance personnel. Contributing factors were the nylon lock nut separating from its' bolt, which…
- [NTSB CHI04TA193](https://openairdocs.org/ntsb/CHI04TA193), Jul 12, 2004: PZL-Mielec M-18T (N7077N), Pine Ridge, SD, substantial damage. Probable cause: The propeller went to an overspeed condition as a result of contamination of the propeller control unit due to improper servicing by the operator and the mechanic. A factor was the hilly terrain.
- [NTSB FTW03LA047](https://openairdocs.org/ntsb/FTW03LA047), Nov 22, 2002: WSK PZL Mielec M18A (N6288M), Votaw, TX, substantial damage. Probable cause: A loss of engine power for undertermined reasons. Contributing factors included the unsuitable terrain for the forced landing and the lack of airspeed.
- [NTSB CHI00FA139](https://openairdocs.org/ntsb/CHI00FA139), May 20, 2000: Wsk Pzl Mielec M-18A (N178RA), Muskegon, MI, destroyed, 1 fatal. Probable cause: the pilot's failure to maintain clearance from the trees. Factors relating to this accident were the low altitude and the trees.
- [NTSB CHI97LA267](https://openairdocs.org/ntsb/CHI97LA267), Aug 23, 1997: Wsk Pzl Mielec M-18A (N178RA), Coopersville, MI, substantial damage. Probable cause: the pilot inadequate fuel system management which led to a fuel starvation.
- [NTSB FTW97LA231](https://openairdocs.org/ntsb/FTW97LA231), Jun 20, 1997: Wsk Pzl Mielec M-18A (N148RA), Waldenburg, AR, destroyed. Probable cause: the pilot's improper planning/decision. The short runway and failure to use up to 10 degrees of flaps were related factors.
- [NTSB FTW97LA159](https://openairdocs.org/ntsb/FTW97LA159), Apr 13, 1997: Pzl-Mielec M-18A (N6872), Sinton, TX, substantial damage. Probable cause: Fuel starvation resulting from the failure of the engine driven fuel pump due to an undetermined reason. A factor was the soft terrain.
- [NTSB FTW94LA281](https://openairdocs.org/ntsb/FTW94LA281), Aug 27, 1994: WSK PZL Mielec M-18A Dromader (N148RA), Wheatley, AR, substantial damage. Probable cause: TOTAL LOSS OF ENGINE POWER DUE TO A CRACKED CYLINDER. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.

## FAA accident and incident reports (15)

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 20210821011419A](https://openairdocs.org/incident/20210821011419A), Aug 21, 2021: Dehavilland DHC-3 (N560TR), Kobuk, AK, Substantial damage. For unknown reasons the aircrafts engines seized in flight resulting in an emergency landing on the tundra. Aircraft was recovered and further engine analysis…
- [Incident 20210624004399I](https://openairdocs.org/incident/20210624004399I), Jun 24, 2021: Dehavilland DHC-3 (N435B), Key West, FL, No damage. Seaplane departed fort jefferson at 500FT experienced an engine failure and immediately landed safely in the water.
- [Incident 20130517009269I](https://openairdocs.org/incident/20130517009269I), May 17, 2013: Dehavilland DHC-3 (N435B), Cedar Key, FL, Minor damage. Pilot stated while cruising at 8500 feet they heard a thump and within 5 seconds the engine had seized. A normal water landing was made approximately 10 miles…
- [Accident 20100522045059A](https://openairdocs.org/incident/20100522045059A), May 22, 2010: Wsk Pzl Mie M-18A (N80188), Lake Placid, FL, Substantial damage. Pilot states that on take-off, the left wing struck cabbage palms bordering the runway, resulting in the plane losing control,veering off the airstrip and…
- [Accident 20070421006659A](https://openairdocs.org/incident/20070421006659A), Apr 21, 2007: Pzlwar PZL104W35A (N231E), Waukesha, WI, Destroyed. (-23) In flight engine failure due to fuel depletion. Emergency landing in a cornfield. During landing rollout aircraft struck a small berm and nosed over…
- [Incident 20050827020539I](https://openairdocs.org/incident/20050827020539I), Aug 27, 2005: Wsk M18A (N6288M), Pendleton, OR, Minor damage. (-23) On 08/28/05 N6288M landed on runway 29 at kpdt. As the aircraft was slowing, it nosed over and the prop contacted the surface of runway 29. Minor damage…
- [Accident 20050823020409A](https://openairdocs.org/incident/20050823020409A), Aug 23, 2005: Wsk M18A (N7077N), Elko, NV, Substantial damage. (-23) The aircraft was under contract to blm for firefighting. The pilot was part of a firefighting effort in high winds in mountainous terrain. The pilot…
- [Incident 20050708015999I](https://openairdocs.org/incident/20050708015999I), Jul 8, 2005: Wsk M18A (N6661B), Canyon City, CO, Minor damage. (-23) Inflight engine fire was caused by one of the engine driven fuel pump line attachment fittings coming loose and causing fuel leakage. The fuel pump line…
- [Accident 20040728017839A](https://openairdocs.org/incident/20040728017839A), Jul 28, 2004: Wsk M18A (N495WP), Burns, OR, Substantial damage. (-23) On 07/26/04 at approximately 11:00, the aircraft, tanker 495, was dispatched from Burns airport to the tenant fire, on the malheur national forest.…
- [Accident 20040711013469A](https://openairdocs.org/incident/20040711013469A), Jul 11, 2004: Wsk M18A (N7077N), Pine Ridge, SD, Substantial damage. (-23) The aircraft owned and operated by airwork enterprises of Florida, inc. denver city, TX was in cruise flight returning from fire patrol near Pine Ridge,…
- [Accident 20021122032799A](https://openairdocs.org/incident/20021122032799A), Nov 22, 2002: Wsk M18A (N6288M), Bigthicket, TX, Substantial damage. (-19) On November 22, 2002, approximately 0900 central standard time, a Wsk pzl mielec M18A single-engine agricultural airplane, was substantially following a…
- [Accident 20000520037029A](https://openairdocs.org/incident/20000520037029A), May 20, 2000: Wsk M18A (N178RA), Twin Lake, MI, No damage. (-23) The aircraft was spraying for gypsy moths, an eye witness stated the engine developed mechanical problems and crashed in the woods. An inspection of the…
- [Accident 19970823023389A](https://openairdocs.org/incident/19970823023389A), Aug 23, 1997: Wsk M18A (N178RA), Coopersville, MI, Substantial damage. Aircraft involved in areaial application, engine lost fuel pressure, crashed into a field. (.4)following an agricultural flight, the pilot noticed that the…
- [Accident 19970620015269A](https://openairdocs.org/incident/19970620015269A), Jun 20, 1997: Mnmite M18* (N148RA), Grubbs, AR, Destroyed. On take off from dirt strip, loaded with fertilizer, airborne, lost altitude, crashed, landing gear, engines damage (-23) on June 20, 1997, at approximately…
- [Accident 19970413005849A](https://openairdocs.org/incident/19970413005849A), Apr 13, 1997: Wsk M18A (N6872), Sinton, TX, Substantial damage. Aircraft practicing aerial application, engine quit and it crash landed in a field. (.4)during a forced landing, following a total loss of engine power, the…

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