DHC vs MHIRJ Flight Deck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DHC
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To enroll to use the DHC-Mobile Maintenance app please contact: De Havilland Customer Service by email dehavillandcustomerservice@gilmore.ca or phone 1-800-795-6661. Bringing Paperless¹ Efficiency to Line Maintenance! This application requires a subscription to De Havilland Technical Publications. Using the DeHavilland Mobile Maintenance© application, line and heavy maintenance crews can enjoy the benefits of going paperless¹ by being able to store and access publication data instantly from their iPad© – without WiFi. This solution combines automatic publications and Temporary Revision (TR) updates in one application. De Havilland Mobile Maintenance© enables maintenance facilities to achieve paperless¹ operations simply and efficiently. Accessible Instruction for Continued Airworthiness (ICAs). Up to date. All in one place. Fast and easy, iPad© users simply enter their license code, then ‘sync’ the iPad© app to De Havilland Online Technical Publications. Updated publications are automatically downloaded, indexed and ready to use.in minutes, aircraft maintenance engineers can add text, add signatures to tasks and email them to the fleet maintenance personnel. Automatic revision updates. No more manually inserting revisions and Temporary Revisions (TRs) into De Havilland maintenance manuals. These are automatically inserted into the correct sections and distributed across every iPad© in the operator’s fleet by De Havilland Technical Publications. Valuable time is saved, and maintenance crews are always ready with the latest publications. ¹ Paperless refers to the process identified in the relevant aviation industry requirements pertaining to paperless operations. Use of the De Havilland Mobile Maintenance© application does not relieve operators and their maintenance control or engineering crews of their responsibility to comply with applicable airworthiness authority approved documents.
MHIRJ Flight Deck
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To enroll in using the MHIRJ Flight Deck app please contact: MHIRJ Customer Service by email at sales.techpubs@mhirj.com. This application will allow you to: - Organize your documents for rapid access using tags, color-codes and favorites - Swipe to the left any document title to tag it, color-code it or mark it as a favorite - Visually search for documents with the new automatic thumbnail feature - Select files easily on smaller devices with large icon view - Annotate your documents with ink, highlighter, text, notes, photos or add a signature in one touch - Select your favorite day and night time theme - Support GDPR privacy legislation - Read PDF files easily and intuitively with one touch full-screen mode and thumbnail page view - Added ability to "split screen” when in Landscape - Runs on iPhone (requires a separate license) ________________________ BRINGING PAPERLESS EFFICIENCY TO MHIRJ PILOTS No more carrying pounds of aircraft manuals and documents on-board. No more waiting for Temporary Revision (TR) updates. With the MHIRJ Flight Deck* application, MHIRJ aircraft pilots can enjoy the benefits of going paperless¹ by being able to store and access manual data and other documentation instantly from their iPad® - without Wi-Fi. No other solution combines automatic TR updates, user control of content and aircraft serial number-specific information into one application. MHIRJ Flight Deck* generates FAA, EASA and TC compliant audit trails for paperless¹ operations to prove your flight manuals are up-to-date. FAST AND EASY In addition to being able to access MHIRJ flight manual subscriptions, you can control all of your electronic documentation in one place. Fleet managers, dispatchers and other members of your team can drag and drop electronic versions of aircraft documents, manuals and forms into online folders. Pilots simply enter a license code, then push a sync button on the iPad® and all updated documents (and subscribed documents) are automatically downloaded and cataloged. In less time than it takes to send a fax, pilots can sign documents, add text and email it to the fleet manager. AUTOMATIC REVISION UPDATES No more manually inserting revisions or Temporary Revisions (TRs) into MHIRJ’s flight manuals. These are automatically inserted into the correct sections and distributed across every iPad® in the operator’s fleet by MHIRJ Technical Publications. Valuable time is saved and pilots are always ready to fly in accordance with the latest regulatory requirements. Powered by OBDS XR (r) technology, for reliability, security and speed. ¹ Paperless refers to the process identified in the relevant airworthiness requirement pertaining to paperless cockpits, including but not limited to FAA-AC-91-78,and AC-120-76D Use of the MHIRJ Flight Deck* application does not relieve operator and its flight crew of their responsibility to comply with the applicable airworthiness authority approved documents.
Screenshots
Verdict
The clearest difference is update cadence: MHIRJ Flight Deck at every 3 months against DHC's every 8 months. MHIRJ Flight Deck also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DHC ships an update every 8 months, MHIRJ Flight Deck every 3 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.
| Parameter | DHC | MHIRJ Flight Deck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 92 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | De Havilland Aircraft Company of Canada Limited | On-Board Data Systems |
In-app purchases
DHC
No in-app purchases
MHIRJ Flight Deck
No in-app purchases







