# Allison 250-C10B

- Type: Engine model (FAA registry)
- Registry code: 03074
- Manufacturer (registry): ALLISON
- Model: 250-C10B
- Engine type: Turbo-shaft
- Power: 317 hp
- Data sheet: [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs)
- Holder: Rolls-Royce Corporation
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/allison-250-c10b

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.

- [AD 2006-16-04](https://openairdocs.org/ad/2006-16-04): Inspection of the fuel nozzle screen · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Sep 7, 2006
- [AD 82-24-05](https://openairdocs.org/ad/82-24-05): Control Assembly and Power Turbine Governor Assembly · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Nov 26, 1982
- [AD 72-03-06](https://openairdocs.org/ad/72-03-06): Turbine Wheels · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 9 more. Effective Feb 8, 1972
- [AD 69-18-04](https://openairdocs.org/ad/69-18-04): Torquemeter Shaftgear · Rolls-Royce 250-C10 (T63-A-5), 250-C10B (T63-A-5A), 250-C10D (T63-A-700) and 4 more. Effective Oct 18, 1969
- [AD 69-18-02](https://openairdocs.org/ad/69-18-02): Internal Splines · Rolls-Royce 250-C10 (T63-A-5), 250-C10B (T63-A-5A), 250-C10D (T63-A-700) and 4 more. Effective Sep 3, 1969
- [AD 68-22-02](https://openairdocs.org/ad/68-22-02): Compressor Assemblies · Rolls-Royce 250-C10B (T63-A-5A), 250-C18 and 250-C18A. Effective Nov 1, 1968
- [AD 68-12-06](https://openairdocs.org/ad/68-12-06): Compressor Blades · Rolls-Royce 250-C10B (T63-A-5A), 250-C18, 250-C18A and 3 more. Effective Jun 18, 1968

## Registered aircraft

None registered with this engine model now.

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## STCs that may be installed (OpenAirDocs) (2)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00027EN](https://openairdocs.org/stc/SE00027EN): Installation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models. Pratt & Whitney Engine Services Inc
- [STC ST00037AT](https://openairdocs.org/stc/ST00037AT): Unison igniter plugs, P/N 9044400-1. Unison Industries

## PMA parts (OpenAirDocs) (461, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [WF336343](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120637938120250602133029.0001): Filter Element, Fuel. Donaldson Company Inc · PMA PQ2432CE · Replaces 6895177 · May 23, 2025
- [6843361HT](https://drs.faa.gov/browse/excelExternalWindow/FEFFC83511F3456B862585500062B6AE.0001): Cage, Ball Bearing-1.024 ID X .312 Wide (and Oversizes). HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6843361 · Apr 30, 2019
- [2537525HT](https://drs.faa.gov/browse/excelExternalWindow/FE2CFD93295E4A9586258550006312B3.0001): Shaft, Shouldered, Eccentric. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537525 · Apr 30, 2019
- [2539533HT](https://drs.faa.gov/browse/excelExternalWindow/FDF710A0D9BAAADD8625855000632B9C.0001): Bearing, Sintered. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539533 · Apr 30, 2019
- [6843356HT](https://drs.faa.gov/browse/excelExternalWindow/FD352FD196CEC7C8862585500062D806.0001): Cage, Bearing-Plain, 1.103 ID X .312 Wide & Oversizes. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6843356 · Apr 30, 2019
- [951190HT](https://drs.faa.gov/browse/excelExternalWindow/FC8B8869AAFBA24A8625855000632D54.0001): Pin, Sraight, Headless. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951190 · Apr 30, 2019
- [2521745HT](https://drs.faa.gov/browse/excelExternalWindow/FB5437CD05C715928625855000631007.0001): Pin, Straight, Headed. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2521745 · Apr 30, 2019
- [2523123HT](https://drs.faa.gov/browse/excelExternalWindow/F7ED1DCCD5F726178625855000635A58.0001): Diaphragm. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2523123 · Apr 30, 2019
- [47070HT](https://drs.faa.gov/browse/excelExternalWindow/F7B8FBB13C3754EE8625855000633D7A.0001): Body, Fuel Nozzle. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 47070 · Apr 30, 2019
- [6875104HT](https://drs.faa.gov/browse/excelExternalWindow/F7976EEE0864C0FC8625855000629713.0001): Washer, Flat-.190I.D. X.312X.031 THK, AMS 5516. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6875104 · Apr 30, 2019
- [H250-10113](https://drs.faa.gov/browse/excelExternalWindow/F79503304C39D6A78625855000638D3A.0001): Race, Bearing Inner, 20mm I.D.. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces M250-10113 · Apr 30, 2019
- [6856986HT](https://drs.faa.gov/browse/excelExternalWindow/F71D7C1A9289065F862585500062C13F.0001): Poppet & Seat Assy. Anti-Icing Valve. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6856986 · Apr 30, 2019
- [23073355](https://drs.faa.gov/browse/excelExternalWindow/F65CBF7AF67669F38625855000633C45.0001): Valve, Servo-Compressor Bleed. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 23073355 · Apr 30, 2019
- [197498HT](https://drs.faa.gov/browse/excelExternalWindow/F58363F6C29A0E2C8625855000636674.0001): Nut, Self-Locking. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 197498 · Apr 30, 2019
- [23004513HT](https://drs.faa.gov/browse/excelExternalWindow/F536F4331CB36E2186258550006314B5.0001): Seal, Plain-Encased. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 23004513 · Apr 30, 2019
- [2539728HT](https://drs.faa.gov/browse/excelExternalWindow/F443067B0718FDB0862585500062E5F1.0001): Seat, Bellows. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539728 · Apr 30, 2019
- [6853463HT](https://drs.faa.gov/browse/excelExternalWindow/F3D6B2D89D6786D486258550006375D6.0001): Tube Assy., Scav. -Oil- Gasifier Turbine Support to Accessory Hsg. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6853463 · Apr 30, 2019
- [6896098HT](https://drs.faa.gov/browse/excelExternalWindow/F32E4B1478DF1131862585500062F93E.0001): Seal, Labyrinth-Gasifier Turbine Forward. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6896098 · Apr 30, 2019
- [6808392HT](https://drs.faa.gov/browse/excelExternalWindow/F327858FDC6FA3FD862585500062EFB3.0001): Nut-Spanner, 27/32-32Thd. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6808392 · Apr 30, 2019
- [6844169HT](https://drs.faa.gov/browse/excelExternalWindow/EEA08B5CE9D50D858625855000632609.0001): Tube Assy., Fuel Control to Fire Shield. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6844169 · Apr 30, 2019
- [6877277HT](https://drs.faa.gov/browse/excelExternalWindow/ED89264E3E345B9F86258550006327C1.0001): Tube Assy., Press. Fuel Control to Accumulator. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6877277 · Apr 30, 2019
- [2539170HT](https://drs.faa.gov/browse/excelExternalWindow/ED10E7C1F7943A5C862585500063453A.0001): Lever Assembly, CAM Follower Lever. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539170 · Apr 30, 2019
- [6840407HT](https://drs.faa.gov/browse/excelExternalWindow/ED06A482F3A6D8F3862585500062F141.0001): Nut, Spanner-3/4-20 Thd. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6840407 · Apr 30, 2019
- [6890040HT](https://drs.faa.gov/browse/excelExternalWindow/EAB4262CF5DCF6B1862585500062F849.0001): Shield Assy., Turbine Nozzle 1st Stage. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6890040 · Apr 30, 2019
- [2539641HT](https://drs.faa.gov/browse/excelExternalWindow/EAAC9B4FF82FDB5186258550006333E2.0001): Spring, Helical, Extension. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539641 · Apr 30, 2019
- [6856984HT](https://drs.faa.gov/browse/excelExternalWindow/E8ADCF843602D53C862585500062BF66.0001): Body, Valve-Anti-Icing. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6856984 · Apr 30, 2019
- [6876030HT](https://drs.faa.gov/browse/excelExternalWindow/E79234C7BBF9CF68862585500062FEEB.0001): Stud, Shouldered, Stepped-.250-28x.500-16x1.374LG.. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6876030 · Apr 30, 2019
- [6876925HT](https://drs.faa.gov/browse/excelExternalWindow/E50B21DEC0893A14862585500062E284.0001): Tube Assy., Oil Filter Inlet. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6876925 · Apr 30, 2019
- [23032283HT](https://drs.faa.gov/browse/excelExternalWindow/E406BEB5470E1FE7862585500062DD76.0001): Pinion Bearing Cage Power Turbine. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 23032283 · Apr 30, 2019
- [6844043HT](https://drs.faa.gov/browse/excelExternalWindow/E3DD22AFB6589BF4862585500062A71B.0001): Tube, Oil Transfer. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6844043 · Apr 30, 2019
- [6899050HT](https://drs.faa.gov/browse/excelExternalWindow/E20ACA4FAC9A2EAB862585500062863D.0001): Valve-Poppet, CPRSR Bleed. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6899050 · Apr 30, 2019
- [336132HT](https://drs.faa.gov/browse/excelExternalWindow/E07190E2A02F10498625855000636717.0001): Tapered Pin, Split. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 336132 · Apr 30, 2019
- [6853446HT](https://drs.faa.gov/browse/excelExternalWindow/DF8E0D4DBF0B1EA9862585500062B018.0001): Shaft, Gear-Oil Pump. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6853446 · Apr 30, 2019
- [6899051HT](https://drs.faa.gov/browse/excelExternalWindow/DF724C028D881CAF8625855000628826.0001): Valve, Servo-Compressor Bleed. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6899051 · Apr 30, 2019
- [2520570HT](https://drs.faa.gov/browse/excelExternalWindow/DC7000B2192F14888625855000633F53.0001): Rod. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2520570 · Apr 30, 2019
- [6810448HT](https://drs.faa.gov/browse/excelExternalWindow/DAF595A1CC57D376862585500062E13F.0001): Bushing-Sleeve .625 x .815 x .437. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6810448 · Apr 30, 2019
- [6876741HT](https://drs.faa.gov/browse/excelExternalWindow/DAD145C0601221568625855000636F8D.0001): Stud, Welding- Percussion .190-32 UNJF-3A. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6876741 · Apr 30, 2019
- [951388HT](https://drs.faa.gov/browse/excelExternalWindow/DA66A5873365EBC9862585500063070A.0001): Packing, Preformed O Ring. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951388 · Apr 30, 2019
- [2539034HT](https://drs.faa.gov/browse/excelExternalWindow/D854B45671A2734E862585500063447F.0001): Weight. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2539034 · Apr 30, 2019
- [6848471HT](https://drs.faa.gov/browse/excelExternalWindow/D56C5A805DBB39DB8625855000634EEA.0001): Tube, Assy., Pressure, Oil Check Valve To Fire Shield. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6848471 · Apr 30, 2019
- [6890909HT](https://drs.faa.gov/browse/excelExternalWindow/D3CFDDD1AC5180DE862585500062896E.0001): Jet, Compressor Bleed Valve. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6890909 · Apr 30, 2019
- [6852176HT](https://drs.faa.gov/browse/excelExternalWindow/D2E81DF924CBABBF862585500062BB43.0001): Guide Assy., Poppet-Anti-Icing Valve. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6852176 · Apr 30, 2019
- [2537956HT](https://drs.faa.gov/browse/excelExternalWindow/D20327EF0618F354862585500063323E.0001): Pin, Shoulder, Headless. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2537956 · Apr 30, 2019
- [951390HT](https://drs.faa.gov/browse/excelExternalWindow/D0B5B6870CEFAA55862585500063078F.0001): Packing, Preformed O Ring. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 951390 · Apr 30, 2019
- [6896437HT](https://drs.faa.gov/browse/excelExternalWindow/CF4D9A2F43D117368625855000630188.0001): Strainer Assy.-Compressor-Bleed Valve. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6896437 · Apr 30, 2019
- [6877736HT](https://drs.faa.gov/browse/excelExternalWindow/CEBECB98B3BC3712862585500062ABD4.0001): Seal, Labyrinth Stator-Gasifier Turbine Brg.. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6877736 · Apr 30, 2019
- [2520561HT](https://drs.faa.gov/browse/excelExternalWindow/C93D07A85055A49E86258550006358AA.0001): Roller. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2520561 · Apr 30, 2019
- [2522105HT](https://drs.faa.gov/browse/excelExternalWindow/C831F72FFA3592EE8625855000633FF3.0001): Spacer. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 2522105 · Apr 30, 2019
- [6898784HT](https://drs.faa.gov/browse/excelExternalWindow/C6CDF20EDBAAC95086258550006303A4.0001): Adapter, Splined-Turbine 2nd Stage. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 6898784 · Apr 30, 2019
- [23055441HT](https://drs.faa.gov/browse/excelExternalWindow/C535DADA36BDD92A8625855000638DD3.0001): Key, 2nd Stage Turbine Nozzle Assembly. HYE-Tech Manufacturing LLC · PMA PQ2317NM · Replaces 23055441 · Apr 30, 2019

All of them: https://openairdocs.org/engine/allison-250-c10b/pma.md

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