Free Practice Questions for DGAC Aircraft Maintenance Mechanic Type I

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Key Facts: DGAC Aircraft Maintenance Mechanic Type I Exam

70%

Pass Threshold

RAC LPTA 1.2.9.7

100 questions / 180 min

Official Exam

DGAC Procedimiento No. 03

Spanish

Official Language

DGAC Procedimiento No. 03

Class 3, 12 months

Medical

RAC LPTA 1.2.5.2 & 4.2.4.1

4 years (2 years with EIA course)

Practical Experience

RAC LPTA 4.2.4.3

21 years

Minimum Age

RAC LPTA 4.2.4.1

This 100-question English MCQ bank is a study adaptation for the Spanish-language DGAC Guatemala Mecánico de Mantenimiento de Aeronaves Tipo I theoretical examination, which consists of 100 multiple-choice questions in 180 minutes on the DGAC SIAR system with a 70% passing threshold under RAC LPTA 1.2.9.7. It is not an official translation or format simulation and does not replace required technical instruction, OMA maintenance experience, or mandatory oral and practical testing.

Sample DGAC Aircraft Maintenance Mechanic Type I Practice Questions

Try these sample questions to review concepts for the DGAC Aircraft Maintenance Mechanic Type I exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under Guatemalan civil aviation regulation RAC LPTA 4.2.4.1, what is the minimum age required for an applicant to be granted an Aircraft Maintenance Mechanic Type I license (Licencia de Mecánico de Mantenimiento de Aeronaves Tipo I)?

A.18 years of age

B.20 years of age

C.21 years of age

D.23 years of age

Explanation: RAC LPTA 4.2.4.1(a) establishes that an applicant for an Aircraft Maintenance Mechanic Type I license in Guatemala must be at least 21 years of age. The three maintenance grades each carry a different age floor: 16 years for the auxiliar de mecánico (RAC LPTA 4.2.2.1(a)), 18 years for Tipo II (RAC LPTA 4.2.3.1(b)), and 21 years for Tipo I.

2What is the minimum general educational qualification mandated by RAC LPTA 4.2.4.1 for obtaining an Aircraft Maintenance Mechanic Type I license from DGAC Guatemala?

A.Enseñanza a nivel primario completa

B.Enseñanza a nivel de educación básica (ciclo común)

C.Enseñanza a nivel diversificado aprobada (secondary upper cycle graduation)

D.Título universitario en ingeniería aeronáutica o mecánica

Explanation: RAC LPTA 4.2.4.1(b) mandates that candidates for the Mecánico de Mantenimiento Tipo I license must have completed and approved upper-secondary education ('enseñanza a nivel diversificado aprobada'). A university engineering degree is not a DGAC licensing prerequisite in Guatemala.

3According to RAC LPTA 4.2.4.3, what practical aeronautical maintenance experience is required for a Type I mechanic license, and how is it reduced for graduates of an approved aviation training organization (EIA)?

A.3 years of experience, reduced to 18 months for graduates of an approved EIA theoretical-practical course.

B.4 years of practical experience, reduced to 2 years for graduates of an approved EIA theoretical-practical course.

C.5 years of practical experience, reduced to 3 years for graduates of an approved EIA theoretical-practical course.

D.2 years of practical experience, with no reduction permitted regardless of institutional training.

Explanation: RAC LPTA 4.2.4.3 requires 4 years of practical aeronautical maintenance experience, which may be reduced to 2 years for an applicant who has successfully graduated from an approved Escuela de Instrucción Aeronáutica (EIA) theoretical-practical course, accrued while exercising Type II privileges in an Approved Maintenance Organization (OMA).

4What class of medical assessment is required for an Aircraft Maintenance Mechanic Type I under RAC LPTA 4.2.4.1, and what is its validity period under RAC LPTA 1.2.5.2?

A.Certificado Médico Clase 1, valid for 6 months.

B.Certificado Médico Clase 2, valid for 24 months.

C.Certificado Médico Clase 3, valid for 12 months.

D.Certificado Médico Clase 4, valid for 36 months.

Explanation: RAC LPTA 4.2.4.1(c) requires an applicant to hold a valid Class 3 Medical Certificate (Certificado Médico Clase 3). Under RAC LPTA 1.2.5.2, the medical validity for maintenance mechanics (Tipo I, II, and auxiliar) is exactly 12 months.

5Under DGAC Guatemala regulations and Procedimiento No. 03 (Examen Teórico), what is the minimum passing score on the SIAR theoretical exam, and for how long does a passing result remain valid?

A.75% passing score, valid for 6 months.

B.70% passing score, valid for 12 months.

C.80% passing score, valid for 24 months.

D.85% passing score, valid for 18 months.

Explanation: RAC LPTA 1.2.9.7 and DGAC Manual de Procedimientos y Formas Procedimiento No. 03 establish that the passing score for theoretical examinations is 70%. The theoretical examination approval remains valid for 12 months, during which the applicant must complete the remaining licensing requirements.

6According to RAC LPTA 4.2.4.1(f), within what maximum timeframe prior to applying for the Type I license must the oral and practical tests be passed before DGAC?

A.Within the preceding 30 days.

B.Within the preceding 3 months.

C.Within the preceding 6 months.

D.Within the preceding 12 months.

Explanation: RAC LPTA 4.2.4.1(f) requires that the applicant has passed the oral and practical evaluations administered by DGAC within the 3 months immediately preceding the date of license application, contrasting with the 12-month window for the theoretical test.

7What primary privilege distinguishes a Mecánico de Mantenimiento Tipo I from a Tipo II under RAC LPTA 4.2.4.4 and RAC 43?

A.The privilege to act as flight engineer on multi-engine commercial jet aircraft.

B.The privilege to issue a return to service (retorno al servicio) certifying aircraft airworthiness after maintenance, preventive maintenance, alterations, or overhauls.

C.The privilege to operate international commercial charter flights as pilot in command.

D.The privilege to manufacture primary airframe structural components without factory type certificates.

Explanation: Under RAC LPTA 4.2.4.4, the holder of a Type I license has the authority to certify an aircraft or aeronautical product for return to service (retorno al servicio / conformidad de mantenimiento) following maintenance, preventive maintenance, rebuilding, or alteration in accordance with RAC 43 and RAC 145.

8Which of the following licenses is an explicit prerequisite that an applicant must hold before qualifying for the Mecánico de Mantenimiento Tipo I license under RAC LPTA 4.2.4.1?

A.Licencia de Auxiliar de Cabina

B.Licencia de Despachador de Vuelo

C.Licencia de Mecánico de Mantenimiento Tipo II

D.Licencia de Ingeniero Aeronáutico

Explanation: RAC LPTA 4.2.4.1 explicitly stipulates that an applicant for the Type I mechanic license must hold an active Licencia de Mecánico de Mantenimiento Tipo II issued by DGAC Guatemala.

9Under RAC 43, what constitutes 'Preventive Maintenance' (Mantenimiento Preventivo) on a Guatemalan-registered aircraft?

A.Any major repair involving the complete disassembly and rebuild of a turbine engine compressor.

B.Simple or minor preservation operations and the replacement of small standard parts not involving complex assembly operations.

C.The complete structural modification of an aircraft wing spar or pressurized bulkhead.

D.The recalibration and internal overhaul of automated flight director computers.

Explanation: RAC 43 defines preventive maintenance as simple or minor preservation operations and the replacement of small standard parts not involving complex assembly operations, such as changing engine oil, replacing tires, servicing hydraulic reservoirs, or changing spark plugs.

10When a Type I mechanic performs maintenance on a Guatemalan civil aircraft, which elements must be included in the maintenance record entry under RAC 43.9 to legally return the aircraft to service?

A.Only the total cost of parts and the vendor invoice numbers.

B.A description of work performed, date of completion, name, signature, license number, and type of license held by the person approving the work.

C.The pilot in command's personal signature and the insurance policy number.

D.Only the aircraft tachometer time and the fuel receipt.

Explanation: Under RAC 43.9, each maintenance entry must include: (1) an adequate description of work performed (or reference to data acceptable to DGAC), (2) the date of completion, and (3) the signature, certificate number, and kind of certificate held by the authorized person approving the return to service.

About the DGAC Aircraft Maintenance Mechanic Type I Exam

Prepare for the DGAC Guatemala Aircraft Maintenance Mechanic Type I (Mecánico de Mantenimiento de Aeronaves Tipo I) theoretical exam with 100 free practice questions covering RAC LPTA, RAC 43, RAC 145, airframe structures, powerplants, avionics, electrical systems, and human factors. Note: English-language study adaptation for the official Guatemalan examination.

Exam sponsor: Dirección General de Aeronáutica Civil (DGAC Guatemala). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

100 questions

Time Limit

180 minutes (3 hours)

Passing Score

70% minimum (RAC LPTA 1.2.9.7)

Exam / Certification Fees

Q80.00 theoretical examination right (Formulario MPF LIC-111); licence authorisation or renewal Q50.00 per year — Acuerdo Gubernativo 939-2002, Article 6

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Practice bank: 18%

Aviation Law, Airworthiness Standards & Regulatory Responsibilities

Decreto 93-2000, RAC LPTA 4.2 mechanic privileges and limitations, RAC 43 maintenance regulations, RAC 145 OMA requirements, RAC 39 AD compliance, and return-to-service documentation.

Practice bank: 17%

Applied Sciences, Aircraft General Knowledge & Materials

Measurement units, physics, chemistry, principles of flight, aircraft alloys, composite materials, corrosion control, hardware fasteners, torque procedures, and NDT methods.

Practice bank: 16%

Airframe Structures, Mechanical Systems & Flight Controls

Monocoque/semi-monocoque construction, primary and secondary flight controls, cable rigging and tensiometer compensation, control surface balancing, oleo struts, and brake systems.

Practice bank: 16%

Hydraulic, Pneumatic, Fuel & Environmental Systems

Hydraulic fluids, pumps, accumulators and pre-charge calculation, pneumatic systems, fuel cross-feed and contamination testing, pressurization outflow valves, and oxygen servicing safety.

Practice bank: 17%

Aircraft Electrical Systems, Avionics & Instrumentation

DC/AC power generation, battery maintenance (lead-acid and Ni-Cad), wire sizing and bundle derating, bonding, pitot-static leak checks, gyros, navigation/comm avionics, and ELT checks.

Practice bank: 16%

Aircraft Powerplants, Propellers, Human Factors & Quality Assurance

Reciprocating engine operation, dual magneto timing, gas turbine Brayton cycle, starting abnormal conditions, constant-speed propellers, Dirty Dozen human factors, and airworthiness release records.

Preparing for the DGAC Aircraft Maintenance Mechanic Type I Exam

What You Need to Know

Passing score: 70% minimum (RAC LPTA 1.2.9.7)
Exam length: 100 questions
Time limit: 180 minutes (3 hours)
Exam / certification fees: Q80.00 theoretical examination right (Formulario MPF LIC-111); licence authorisation or renewal Q50.00 per year — Acuerdo Gubernativo 939-2002, Article 6 Official sources

Using Our Practice Resources

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DGAC Aircraft Maintenance Mechanic Type I: Suggested Study Strategy

1Master the distinction between RAC 43 preventive maintenance and major repairs or alterations requiring DGAC approval and formal Formulario DGAC return-to-service documentation.

2Understand the operational and physical differences between mineral-base hydraulic fluids (MIL-PRF-5606, red) and synthetic phosphate-ester fluids (Skydrol, purple), including seal elastomer incompatibilities (Buna-N vs Ethylene-Propylene).

3Practice torque wrench adapter calculations: T_indicated = T_desired * L / (L + E) when an extension adapter extends the effective lever arm inline with the drive axis.

4Know the safety protocols for Ni-Cad battery maintenance, specifically constant-current charging and temperature monitoring to prevent destructive thermal runaway.

5Review the Dirty Dozen human factors concepts in aircraft maintenance, focusing on situational awareness, fatigue management, assertive communication, and independent inspection verifications.

6Familiarize yourself with control cable rigging procedures, including ambient temperature compensation charts and proper turnbuckle safety wire wrapping techniques.

Frequently Asked Questions

What is covered on the DGAC Guatemala Maintenance Mechanic Type I exam?

RAC LPTA 4.2.4.2 covers air law and airworthiness regulations (RAC 43/145), applied sciences and materials, airframe structures and flight controls, hydraulic/pneumatic/environmental systems, electrical and avionics systems, powerplants, propellers, and maintenance human factors.

What is the passing score and format for the DGAC Guatemala Tipo I theoretical exam?

70% passing grade on a 100-question multiple-choice examination sat in 180 minutes on the computerised SIAR system.